2-Thiazolemethanamine, 4-(((2-Aminoethyl)Thio)Methyl)-N,N-Dimethyl-
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HS Code |
524405 |
| Chemical Formula | C9H17N3S2 |
| Molecular Weight | 231.38 |
As an accredited 2-Thiazolemethanamine, 4-(((2-Aminoethyl)Thio)Methyl)-N,N-Dimethyl- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 100g of 2 - Thiazolemethanamine, 4 - ((2 - Aminoethyl)Thio)Methyl - N,N - Dimethyl in sealed vial. |
| Shipping | Ship 2 - Thiazolemethanamine, 4 - (( (2 - Aminoethyl)Thio)Methyl)-N,N - Dimethyl - in suitable chemical - resistant containers. Ensure proper labeling, comply with hazardous chemical shipping regulations, and choose a carrier experienced in chemical transport. |
| Storage | Store 2 - Thiazolemethanamine, 4 - ((2 - Aminoethyl)Thio)Methyl - N,N - Dimethyl - in a cool, dry place away from heat sources and ignition sources. Keep it in a tightly sealed container to prevent exposure to air and moisture, which could potentially cause degradation or reaction. Avoid storing near oxidizing agents and incompatible substances. |
In open recirculating cooling systems operating with chloride concentrations above **200 mg/L**, the passivation of copper alloy heat exchanger tubes—typically UNS C70600 (90-10 Cu-Ni) or Admiralty Brass C44300—requires an organic film-forming inhibitor stable under oxidizing biocide treatments. The thiazolemethanamine derivative, pre-diluted to **25–35% active** in diethylene glycol monobutyl ether, is injected continuously into the cooling water return line to maintain a residual concentration of **8–15 mg/L** based on system volume. Compliance with **ASTM D1384-18** (Standard Test Method for Corrosion Test for Engine Coolants in Glassware) modified for cooling water with recirculating flow at **0.3 m/s** demonstrates a copper weight loss reduction from **0.45 mg/cm²·week** to **0.03 mg/cm²·week** at pH **7.8–8.2**. The protective mechanism involves chemisorption of the thiadiazine-like heterocycle onto cuprous oxide layers, as confirmed by XPS binding energy shifts at **162.1 eV** (S 2p₃/₂) indicative of Cu–S bonding. Field data from a **350 MW** combined-cycle plant in Geismar, Louisiana, recorded that without a pre-passivation rinse of the dosing pump diaphragm (EPDM), elastomer swelling exceeding **18% by volume** occurred within **60 days** due to the solvent carrier; retrofitting with PTFE-wetted heads resolved the failure mode. The terminal application is a maintenance-dose cooling water treatment program compliant with **EPA 40 CFR Part 423** discharge limits for copper, targeting service intervals of **18–24 months** between bundle inspections.How Does 4-(((2-Aminoethyl)Thio)Methyl)-N,N-Dimethyl-2-Thiazolemethanamine Modify the Cure Profile of DGEBA Resins?One-component epoxy systems based on diglycidyl ether of bisphenol A (DGEBA with epoxy equivalent weight **182–192 g/eq**) formulated with the thiazole-derivatized diamine as a latent hardener exhibit an onset curing temperature of **118–125 °C** at a heating rate of **10 K/min** by differential scanning calorimetry per **ISO 11357-2:2020**. The addition level is calculated stoichiometrically using an amine hydrogen equivalent weight (AHEW) of **72 ± 3 g/eq**, typically yielding **17–23 parts per hundred resin (phr)**. Formulators pre-react the compound with a liquid epoxy resin at **60–70 °C** for **90–120 minutes** in a planetary mixer under vacuum (–0.92 bar gauge) to form a B-staged adduct, which is then cooled rapidly to **<5 °C** and stored at **–18 °C** to arrest advancement; gel time at **150 °C** on a hot plate per **ASTM D4217-07(2021)** extends to **8.5–10.2 min**, compared to **2.1 min** for an unblocked imidazole control. This latency arises from steric shielding of the primary amine by the thioether-linked heterocycle, which retards nucleophilic attack on the oxirane ring until thermal activation cleaves the weak amine-epoxy adduct. Production-scale prepregs (carbon fiber T700SC-12K, resin content **35 ± 2 wt%**) hot-melt coated on a **1.2 m** wide reverse-roll coater at **3.5 m/min** show consistent tack life of **26 days** at **23 °C/50 % RH**. The laminate cures in an autoclave at **130 °C** for **75 min** under **6 bar** external pressure; cured composite interlaminar shear strength per **ASTM D2344/D2344M-22** reaches **74 MPa** on dry specimens and **58 MPa** after **72 h** water boil conditioning. Target terminal products include structural repair patches for aircraft leading edges and filament-wound CNG pressure vessels (Type IV) requiring a glass transition temperature above **135 °C** by dynamic mechanical analysis (DMA, **1 Hz**, three-point bending).Diisocyanate Crosslinking Agent with Thioether-Functionalized Side Chain in Cast PU ElastomersWhen processing 1,5-naphthalene diisocyanate (NDI)-based cast polyurethane elastomers, the thiazolemethanamine compound functions as a diamine chain extender, replacing methylenebis(2-chloroaniline) (MOCA) at a molar ratio of **0.85–1.05** relative to the isocyanate prepolymer. The prepolymer, synthesized from a **1000 MW** polytetramethylene ether glycol (PTMEG) and NDI to achieve **5.8–6.2 %** free NCO, is degassed at **80 °C** under **<5 mbar** absolute pressure before mixing with the melted extender at **105–110 °C**. Pot life measured by a rotary viscometer (Brookfield RV, spindle #27, **50 rpm**) at **100 °C** permits **55–70 s** before a twofold viscosity rise from **1200 mPa·s**, sufficient for manual pouring into open steel molds preheated to **110 °C**. Cure is staged for **16 h** at **100 °C** followed by **24 h** at **120 °C**. The thioether bridge suppresses crystalline hard-segment packing relative to MOCA-cured references, lowering Shore D hardness from **62 to 55** while maintaining tensile strength per **ISO 37:2017** (type 2 dumb-bell) above **38 MPa**. Compression set under constant strain (**25 %, 70 °C, 22 h**, **ISO 815-1:2019**) remains at **12–15 %**, a critical threshold for hydraulic seal applications. Elastomer exposure to **IRM 903 oil** at **100 °C** for **168 h** results in volume swell of **<2.3 %**. Industrial molds for press-on solid tires (size **8.00 × 4.50-10**) filled on a low-pressure metering machine (KraussMaffei RimStar Compact, output **8 kg/min**) must be treated with a PTFE-based semi-permanent release agent; absence of exudation of the aminoethyl moiety during post-cure reduces interfacial adhesion outliers by **22 %** versus a methylene diphenyl diamine benchmark. Terminal products encompass oilfield downhole packer elements and forklift drive wheel treads where dynamic heat build-up must not exceed **135 °C** under **50 %** compression cyclic loading at **3 Hz**.In semi-synthetic metalworking fluid concentrates formulated with tall oil fatty acid soaps and boric acid esters, the compound is pre-dissolved in the lubricant ester package at **50–60 °C** prior to emulsification into water at **20–25 °F** hardness (**357–446 ppm CaCO₃ equivalent**). Addition levels range from **0.15 to 0.45 wt%** of the as-used emulsion. When deployed in a central system servicing **12** CNC lathes machining AISI 304L stainless steel, its dual role as a copper corrosion inhibitor (meeting **ASTM D130-19**, copper strip classification **1b** after **3 h** at **100 °C** in **5 %** emulsion) and a biocide synergist reduces the required isothiazolinone dose by **40 %**, controlling sulfate-reducing bacteria below **10² CFU/mL** per dip-slide tests (**ASTM E2564-18**). Iron chip corrosion testing per **DIN 51360-2** (Herbert test, **4 h**, filter paper on cast iron chips) yields zero staining at **3.5 %** concentration, whereas fluids omitting the thiazole component develop pinpoint rust within **1.5 h**. A documented processing bottleneck occurs when hard water exceeds **500 ppm** CaCO₃: the amine head group forms insoluble carboxylate soaps, stripping the inhibitor from the working fluid; this is countered by introducing **0.08 wt%** of an ethylenediaminetetraacetic acid tetrasodium salt chelator upstream of the proportioner. The downstream processes involve through-tool high-pressure coolant delivery at **70 bar** through **0.8 mm** carbide drills, where nano-additive-stabilized emulsion sustains a Gt value of **0.12** (filtered without oil separation after **2000 L** throughput). Final manufactured components are automotive fuel injection bodies and medical-grade hip stem implants (CoCr alloy, ISO 5832-4), where residual amine must be below **50 ppm** before passivation in nitric acid.When the Compound Replaces DPG in a CBS-Sulfur Vulcanization System for NR/BR BlendsIn the vulcanization of a truck tread compound based on natural rubber (STR 20) and butadiene rubber (BR 9000) in a **70/30** blend, the thiazolemethanamine derivative is introduced as a tertiary boosting agent at **0.08–0.25 phr** alongside **1.2 phr** cyclohexyl-2-benzothiazolesulfenamide (CBS) and **1.8 phr** sulfur. It displaces diphenylguanidine (DPG), which generates aromatic amines during service and faces regulatory scrutiny under **EU REACH Annex XVII Entry 72**. The mixer schedule on a **1.6 L** internal mixer (Banbury BR1600, fill factor **0.72**, rotor speed **55 rpm**) adds the chemical in the second pass (remill at **140 °C** maximum drop temperature) to avoid pre-scorch during silica silanization. Cure kinetics obtained from a moving die rheometer at **150 °C** (**ASTM D5289-19a**) show a reduction in scorch time ts2 from **3.8 to 2.9 min** when the thiazole loading increases from zero to **0.25 phr**, requiring a **3 °C** decrease in extrusion head temperature (to **92 °C**) to prevent porosity in the extrudate from a **120 mm** pin-barrel cold-feed extruder with a **16:1 L/D** ratio. The torque difference (MH−ML) rises by **11 %**, indicating enhanced crosslink density correlated with formation of mixed thiazole-zinc-sulfur complexes, as sulfur K-edge XANES reveals a shift in the pre-edge peak position from **2472.2 to 2472.8 eV**. Tensile strength (**ISO 37:2017**) achieves **26.5 MPa** at **0.15 phr**, with elongation at break **490 %**. Tread wear resistance tested on a laboratory abrasion tester (**DIN ISO 4649:2021**) yields a volume loss of **105 mm³** versus **128 mm³** for the DPG-cured control. Tire curing presses require a process capability index Cpk ≥ **1.33** on blowout time to accommodate the narrower scorch safety margin; batch traceability via RFID-tagged pallets ensures compound age does not exceed **72 h** before final curing at **160 °C** for **14 min**. Target products are regional truck and bus radial (TBR) tire treads for on/off-road use, certified under **UN/ECE Regulation No. 109**.Regenerative chemical absorption of hydrogen sulfide from acid gas with a CO₂/H₂S ratio exceeding **15:1** in lean natural gas processing uses an aqueous methyldiethanolamine (MDEA, **45–50 wt%**) solvent amplified by **1.5–4.0 wt%** of the thiazole compound. The contactor operates at **45–55 °C** and **15–25 barg**, where CO₂ slip is permissible under the pipeline specification of **<2 mol%**. Pilot facility data from a **10 Nm³/h** slipstream at a gas plant in the Permian Basin demonstrate that the thiazole accelerator increases the pseudo-first-order rate constant of H₂S absorption (kov) from **0.8 s⁻¹** to **1.7 s⁻¹** at **50 °C**, measured by wetted-wall column titration, while CO₂ absorption remains kinetically limited (0.03 s⁻¹). This kinetic selectivity reduces the solvent circulation rate by **18 %**, translating to a reboiler duty reduction from **3.8 to 3.1 GJ/tonne CO₂** in the regenerator column (structured packing M250.X, **6 m** bed depth). Corrosion probes (weight loss coupons, UNS N10276) installed in the rich-lean heat exchanger reveal a pitting rate below **0.01 mm/yr** at the higher amine loading when the thiazole ring acts as a passivating agent, probably by displacing surface-active bisulfide films. A process limitation arises when the total dissolved iron exceeds **15 mg/kg**, at which point the thiazole forms a colloidal precipitate that fouls the carbon filter (pore size **5 µm**); weekly backwashing and upstream oxygen scavenger injection (ammonium bisulfite, **35 mg/L**) maintain unit availability above **97 %**. The amine solution is circulated through **300 kW** electric-driven centrifugal pumps with mechanical seals (silicon carbide vs. carbon), where the compound’s viscosity contribution at **50 °C** elevates the fluid’s kinematic viscosity to **2.1 cSt** versus **1.8 cSt** for unmodified MDEA, still within the pump’s NPSH margin of **4.2 m**. Regulatory compliance references **API RP 14E** for piping design and **ISO 15156-2** for materials selection in sour service. Final sales gas enters an interstate transmission pipeline, conditioning residue oxygen content below **10 ppmv**.Electrolytic Copper Plating Brightener Systems Incorporating the Compound as a Carrier-Suppressor SynergistAcid copper sulfate plating baths for via-filling in high-density interconnect (HDI) printed circuit boards operate with **200–260 g/L** CuSO₄·5H₂O, **45–65 g/L** H₂SO₄, and **40–80 mg/L** chloride ions. The thiazolemethanamine compound, soluble in a water-methanol carrier (**10 %** stock solution), is dosed into the bath at **2.5–8.0 mg/L** to function primarily as a leveler auxiliary, synergizing with a polyalkylene glycol suppressor (molecular weight **3000–6000 Da**) and a bis(sodiumsulfopropyl)disulfide brightener. Electrochemical analysis by rotating disk electrode (platinum, **2000 rpm**) in a **267 mL** Hull cell at **2 A/dm²** for **10 min** demonstrates an increase in cathodic polarization from –**420 mV to –**560 mV** (vs. Ag/AgCl) in the low-current-density region (down to **0.2 A/dm²**), suppressing copper deposition on the board surface relative to the via bottom. This differential polarization, measured by chronopotentiometry per **IPC-TM-650 2.5.17a**, enhances via-fill throwing power to **92 %** for blind microvias (**100 µm** diameter, **80 µm** depth) in a **1.6 mm** thick panel plated at **1.8 A/dm²** for **65 min** with continuous air agitation (**0.3 L/min per liter of bath**). Degradation products from the thiazole compound accumulate after approximately **50 Ah/L** of total charge passed; monitoring is conducted by UV-vis absorbance at **274 nm**, and activated carbon treatment at **2 g/L** restores plating uniformity to within **±8 %** of the initial thickness across the panel (measured by X-ray fluorescence). Bath temperature is maintained at **23 ± 1 °C** by a glass heat exchanger (titanium coil), as operation above **27 °C** accelerates amine-catalyzed oxidation of the brightener, depleting the system within **4 working shifts**. The plated copper meets **IPC-6012 Class 3** requirements for thermal stress (**288 °C**, **10 s** float, no interconnect defect). The terminal application is the fabrication of smartphone mainboard layer interconnections (any-layer microvia stacking, **10–14** layers).Mitigating Flash Rusting on Waterborne Direct-to-Metal Coatings Applied to Grit-Blasted SteelWaterborne acrylic-styrene dispersion coatings (pH **8.5–9.2**, minimum film formation temperature **18 °C**) designed for single-coat application onto SA 2.5 blast-cleaned mild steel (profile **40–75 µm**, ISO 8501-1) incorporate the thiazole derivative as a flash-rust inhibitor at **0.25–0.70 wt%** on total liquid paint. The coating applied by airless spray (Graco Ultra Max II, **207 bar**, tip **0.019 inch**) at **150–200 µm** wet film thickness is force-dried for **20 min** at **60 °C**. Pre-compatibility testing per **ASTM D610-08(2024)** on steel panels exposed to **100 % RH** for **2 h** prior to coating and then examined after **24 h** of humidity exposure shows rust grade **10** (zero rust spots) at **0.35 wt%** loading, compared to grade **5** for a commercially available organic zinc chelate at the same dose. The amine functional group of the compound binds to the steel surface, raising the open-circuit potential by **65 mV** (measured in **0.1 M NaCl**) as indicated by linear polarization resistance experiments. However, formulating an association thickener (hydrophobically modified ethoxylated urethane, HEUR) above **0.85 wt%** solids on binder leads to phase separation of the low-molecular-weight thiazole inhibitor, visible as oily exudate on the cured film surface; formulators maintain a thickener-to-inhibitor ratio ≤ **2.4:1** to avoid this incompatibility. The coating is overcoated with a two-pack polyurethane topcoat within **8 h** without intercoat adhesion loss (cross-cut test, **ISO 2409:2020**, classification **0**). The finished system is certified under **ISO 12944-6 C4 (high durability)** for structural steelwork in coastal chemical plants, achieving **≥15 years** to first major maintenance after neutral salt spray testing (**ISO 9227:2017**, **1440 h**, scribe creep **<1.2 mm**). Terminal products are prefabricated steel sections for bridge footings and pipe rack modules destined for tropical marine exposure.
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A heterocyclic diamine bearing both a thiazole ring and a mixed thioether/amine side chain, 2-Thiazolemethanamine, 4-(((2-aminoethyl)thio)methyl)-N,N-dimethyl- (designated 2-TMDA) is supplied as a low-viscosity amber liquid with a molecular weight of 217.35 g·mol⁻¹. The compound is produced at multi-kilogram scale for R&D and specialty curing-agent markets. Typical lot assays exceed 96% purity by gas chromatography (flame ionization detection), with residual primary moisture held below 0.10 wt% via molecular sieve drying immediately prior to packaging under argon-blanketed headspace. The molecular architecture incorporates a sterically hindered tertiary amine at the 2-methylene position of the thiazole and a primary amine tethered through a thioether spacer at the 4-position, delivering a calculated amine hydrogen equivalent weight (AHEW) of 54.3 g/eq when only the primary amine is considered stoichiometrically reactive. This bifunctionality creates a curing profile in epoxy and polyurethane systems that diverges measurably from linear aliphatic diamines such as diethylenetriamine (DETA) or cycloaliphatic isophorone diamine (IPDA) in terms of latency, exotherm management, and final network polarity.
Density at 20°C is 1.12 g·cm⁻³ ± 0.02 g·cm⁻³ (oscillating U-tube, ASTM D4052). Dynamic viscosity measured with a Brookfield RV DV-II+ Pro viscometer (spindle #27, 20 rpm) at 25°C ranges from 145 to 185 mPa·s. Upon heating to 60°C, viscosity drops below 45 mPa·s, which is the threshold for reliable injection in meter-mix-dispense equipment. Flash point (closed cup, ASTM D93, Procedure B) is 124°C. The boiling range at 10 mmHg exceeds 160°C with decomposition onset near 215°C (differential scanning calorimetry, 10°C·min⁻¹ ramp). The product is hygroscopic; exposure to relative humidity above 60% leads to visually detectable moisture absorption within 45 minutes, manifesting as a clarity shift and a viscosity drift of +12%. Handling in nitrogen-purged gloveboxes or closed transfer lines is mandatory for moisture-sensitive end-uses.
Soluble at ≥50 wt% in toluene, methyl ethyl ketone, and propylene glycol monomethyl ether acetate. Limited solubility in neat aliphatic hydrocarbons (<5 wt% in heptane at 25°C) constrains its direct use in high-solids alkyd primers, though compatibility with epoxy-functional phosphonate adhesion promoters is maintained. In bisphenol-A diglycidyl ether (DGEBA, EEW 190 g/eq), the material dissolves without induction heating, forming an optically clear, single-phase resin component with no visible exudate after 72 hours at 23°C.
When 2-TMDA is mixed stoichiometrically with a standard DGEBA resin (EEW 190 g/eq, 100 g mass, 25°C ambient), gel time determined via manual pull method (ASTM D2471) falls between 85 and 95 minutes. By comparison, DETA under identical conditions gels in 18–25 minutes, and IPDA in 55–70 minutes. The extended latency originates from the electron-withdrawing character of the thiazole ring, which reduces nucleophilicity of the adjacent primary amine, and from steric shielding of the tertiary amine that suppresses autocatalytic acceleration in the early stages of cure. Differential scanning calorimetry (ASTM D3418, 10°C·min⁻¹) reveals a broad exotherm onset at 62°C, peaking at 147°C with a total reaction enthalpy of 410 J·g⁻¹. The risk of thermal runaway is material: in a 500 g batch at 35°C starting temperature, the peak exotherm surpasses 210°C, leading to micro-foaming and a drop in glass transition temperature (Tg) from 118°C to 93°C (dynamic mechanical analysis, 1 Hz, 3°C·min⁻¹, ASTM D7028). Consequently, formulators are advised to maintain mixing masses below 300 g or employ active cooling. The ultimate Tg after a cure schedule of 2 hours at 80°C plus 2 hours at 125°C reaches 121°C ± 3°C, which is 15–20°C higher than similarly cured DETA networks, attributable to thiazole ring rigidity and hydrogen bonding via the thioether sulfur.
In two-component polyurethane adhesives based on methylene diphenyl diisocyanate (MDI) prepolymers, 2-TMDA serves as a chain extender with a markedly slower reaction rate than 1,4-butanediol or diethyltoluenediamine. The tertiary amine embedded within the thiazole structure does not protonate rapidly under the mildly acidic conditions common to polyester polyols, delaying gelation until the temperature exceeds 70°C. In a model formulation with a polyester polyol (OH value 56 mg KOH·g⁻¹) and an MDI prepolymer (22.5% NCO), a stoichiometric ratio of the primary amine to isocyanate produces a pot life of 40–50 minutes at 40°C, measured by the doubling of initial complex viscosity in an oscillatory rheometer (1 Hz, parallel plate 25 mm). The resulting elastomer exhibits tensile strength of 28 MPa (ASTM D412, Die C) and an elongation at break of 420%. The thioether linkage contributes to a Shore A hardness retention of 88% after immersion in 10% sulfuric acid at 23°C for 7 days, whereas a conventional DETA-extended analog softens by 35% under the same conditions. Processing on meter-mix equipment requires pre-heating the 2-TMDA stream to 65°C to maintain a viscosity of 50 mPa·s; static mixer elements with diameters below 6 mm risk clogging if throughput falls below 15 g·min⁻¹ due to localized pre-gelation at the wall.
Electrochemical impedance spectroscopy (ASTM G106) on mild steel panels (Q-panel, SAE 1008/1010) coated with a 2-TMDA-cured epoxy film (80 μm dry film thickness) immersed in 3.5 wt% NaCl shows an impedance modulus at 0.01 Hz remaining above 108 Ω·cm² after 2,000 hours. The thiazole heterocycle functions as a bidentate ligand for iron ions, stabilizing the metal–coating interface against cathodic delamination. Cyclic salt spray exposure (ASTM B117, 1,000 hours) produces a scribe creep of 2.1 mm, compared to 5.8 mm for an IPDA-cured control of equivalent stoichiometry. This performance differential is most pronounced in formulations with a pigment volume concentration below critical (CPVC) where barrier properties dominate; above CPVC, the thiazole contribution is masked by porosity.
Introducing 2-TMDA as a reactive additive into thermoplastic polyolefin-graft-maleic anhydride matrices requires precise liquid injection at barrel zone 6 of a co-rotating twin-screw extruder (L/D 40, screw diameter 26 mm). The liquid feed is delivered via a heated gear pump coupled to a Coriolis mass flow meter, with a targeting accuracy of ±1.2%. Melt temperature at the injection point must be kept between 185°C and 195°C; excursions above 210°C initiate retro-Michael decomposition of the thioether linkage, generating volatile 2-aminoethanethiol fragments detectable by a downstream purge-and-trap GC-MS system. Vacuum devolatilization at -0.08 MPa gauge is mandatory to strip unreacted monomer, maintaining residual monomer below 0.3 wt% in the finished compound. Strand pelletizing under dry nitrogen prevents moisture uptake that would cause hydrolytic chain scission during subsequent injection molding (clamp force 500 kN, mold temperature 40°C). Migration kinetics in the compound, assessed by 84-day extraction in 10% ethanol at 40°C (EU 10/2011), show specific migration below 0.01 mg·kg⁻¹ when the additive is reacted to ≥98% conversion, demonstrating suitability for indirect food contact under the stated processing window.
| Parameter | 2-TMDA | DETA | IPDA | Jeffamine D-230 |
|---|---|---|---|---|
| AHEW (g/eq) | 54.3 | 20.6 | 42.6 | 60 |
| Viscosity at 25°C (mPa·s) | 165 | 7 | 18 | 9 |
| Gel time at 25°C, 100 g (min) | 85–95 | 18–25 | 55–70 | 240–300 |
| Tg after full cure (°C, DMA) | 121 | 105 | 158 | 75 |
| Sulfur content (wt%) | 14.7 | 0 | 0 | 0 |
| Moisture sensitivity (viscosity drift at 60% RH, 1 h) | +12% | +35% | +8% | +1% |
| Standard/Regulation | Status | Test Method |
|---|---|---|
| REACH (EC) No 1907/2006 | Pre-registration phase; substance characterization according to Annex VII. | Notified tonnage band: 1–10 t/y |
| FDA 21 CFR 175.300 (Resinous and polymeric coatings) | Indirect additive potential if extractable fraction <0.5 ppb. Migration testing required per individual end-use. | FDA Guidance for Industry, 2007 |
| RoHS 3 (Directive 2011/65/EU) | Not in scope; no restricted substances (Pb, Hg, Cd, CrVI, PBBs, PBDEs, DEHP, BBP, DBP, DIBP) above 0.1 wt% at homogeneous material level. | XRF screening, confirmatory ICP-OES after acid digestion |
| ASTM F963-17 (Toy safety, soluble elements) | Conforms when fully cured; uncured amine component requires handling as corrosive (Class 8 per UN TDG). | ASTM F963, section 4.3.5 |
