Product Name: 2,2,6,6-Tetramethyl-4-Piperidylamine
Chemical Formula: C9H20N2
CAS Number: 34562-31-7
Other Names: 4-Amino-2,2,6,6-tetramethylpiperidine, TMPA
Recommended Use: Laboratory chemical, chemical synthesis, industrial additive
Manufacturer Information: Listed on supply chain documents; check SDS from supplier for emergency contact.
GHS Classification: Acute Toxicity (Oral, Dermal, Inhalation), Skin Corrosion/Irritation, Eye Damage/Irritation
Signal Word: Danger
Hazard Statements: Harmful if swallowed. Causes severe skin burns and eye damage. Harmful if inhaled. May cause respiratory irritation.
Pictograms: Corrosion, Exclamation Mark
Precautionary Statements: Wear protective gloves/eye protection/face protection. Do not breathe dust/fume/gas/mist/vapors/spray. Wash thoroughly after handling.
Primary Routes of Exposure: Inhalation, skin and eye contact, ingestion.
Chemical Name: 2,2,6,6-Tetramethyl-4-Piperidylamine
CAS Number: 34562-31-7
Concentration: ≥98%
Impurities: Minor (<2%) unspecified process residues
Additives or Stabilizers: None reported under regular laboratory use
General Advice: Remove contaminated clothing, wash before reuse. Move person to fresh air.
Inhalation: Move to fresh air, assist breathing if needed, seek medical attention quickly.
Skin Contact: Rinse immediately with copious amounts of water for at least 15 minutes, remove contaminated clothing.
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy, continue rinsing and get medical attention.
Ingestion: Rinse mouth, do not induce vomiting, seek medical advice immediately; never give anything by mouth to an unconscious person.
Most Important Symptoms: Burning sensation, cough, shortness of breath, severe skin/eye irritation, abdominal pain if swallowed.
Suitable Extinguishing Media: Dry chemical, foam, CO2; avoid water if possible as contaminated water runoff is hazardous.
Specific Hazards from Combustion: Releases toxic fumes including nitrogen oxides and carbon oxides.
Protective Equipment: Firefighters wear full protective gear and self-contained breathing apparatus (SCBA).
Advice for Firefighters: Approach from upwind, avoid inhaling possible combustion gases, isolate area.
Flash Point: Not precisely established; choose cooling strategies for storage tanks.
Personal Precautions: Evacuate area, ensure proper ventilation, avoid breathing vapor, dust, or mist. Wear appropriate protective equipment.
Environmental Precautions: Prevent further leakage or spillage, keep out of drains, sewers, and open waterways.
Methods for Cleanup: Absorb on inert material such as sand or vermiculite, collect and place in suitable containers for disposal; avoid raising dust.
Cleanup Procedures: Decontaminate area thoroughly with water and detergent after removal of materials.
Emergency Procedures: Notify safety personnel and follow site-specific chemical spill response plans.
Handling: Use in well-ventilated area, avoid contact with skin, eyes, and clothing. Never eat, drink, or smoke in working area. Wash hands thoroughly after handling.
Technical Measures: Install local exhaust or general ventilation.
Safe Storage Conditions: Store in tightly closed containers, in cool, dry, and well-ventilated area away from direct sunlight and incompatible substances (strong acids, oxidizers).
Storage Requirements: Clearly label storage areas, restrict access only to trained personnel. Inspect containers regularly for integrity.
Incompatibilities in Storage: Keep separate from acids, strong oxidizing agents, and chlorinated solvents.
Engineering Controls: Use chemical fume hoods, local exhaust, or other mechanical ventilation.
Workplace Exposure Limits: No ACGIH TLV or OSHA PEL established; handle as a hazardous chemical.
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile, neoprene), tightly fitting goggles or face shield, lab coat, flame-retardant apron if necessary.
Respiratory Protection: Use approved organic vapor/acid gas respirator mask if airborne concentrations exceed exposure standards.
Hygiene Measures: Wash hands before breaks and at the end of work, avoid unprotected skin contact.
Appearance: White to off-white solid, crystalline powder
Odor: Ammonia-like, strong pungence
Molecular Weight: 156.27 g/mol
pH: Strongly basic in water solution
Melting Point: 56-62°C
Boiling Point: Not readily available, decomposes
Flash Point: >120°C (estimate)
Solubility: Soluble in water, alcohols, ether
Partition Coefficient (n-octanol/water): Data not available
Vapor Pressure: Negligible at room temperature
Density: 0.9 g/cm³
Evaporation Rate: Not determined
Chemical Stability: Stable under recommended storage and handling conditions.
Reactivity: Reacts vigorously with strong acids, acid chlorides, and oxidizers; violent polymerization not reported.
Conditions to Avoid: Excessive heat, humidity, incompatible chemicals.
Incompatible Materials: Strong acids, peroxides, halogenated agents.
Hazardous Decomposition Products: Nitrogen oxides, ammonia, volatile organic fragments on combustion or prolonged heating.
Hazardous Polymerization: Not known to occur under normal circumstances.
Acute Toxicity (Oral): Harmful if ingested.
Skin Corrosion/Irritation: Causes severe irritation and burns on contact.
Eye Damage/Irritation: Causes painful burns, redness, tearing, and risk of permanent damage.
Respiratory Sensitization: May cause cough, sore throat, and respiratory discomfort on inhalation.
Long-Term Exposure: Prolonged or repeated contact can cause dermatitis or permanent corneal damage.
Carcinogenicity/Mutagenicity/Reproductive Toxicity: Not classified as carcinogenic by IARC, NTP, or ACGIH as of latest data; mutagenic or reproductive effects not established.
Symptoms of Overexposure: Eye, skin, and respiratory irritation, gastric pain, chemical burns.
Aquatic Toxicity: Harmful to aquatic life, risk of long-term adverse effects in the aquatic environment.
Persistence and Degradability: Not easily biodegradable, possible persistence.
Bioaccumulative Potential: Data on bioaccumulation not fully reported; low potential due to water solubility.
Mobility in Soil: Expected to have moderate mobility based on physical properties.
Further Ecological Effects: Do not allow product to reach groundwater, watercourse, or sewer system; inform responsible authorities if this occurs.
Waste Treatment Methods: Dispose of material in accordance with local, regional, and national regulations. Avoid discharge into environment.
Product Disposal: Consult with licensed chemical waste disposal contractor, incineration under controlled conditions where permissible.
Contaminated Packaging: Dispose of as unused product, do not reuse containers for other purposes.
Special Precautions: Ensure complete removal of residues before container recycling or discarding.
UN Number: UN3263
Proper Shipping Name: Corrosive solid, basic, organic, n.o.s. (contains 2,2,6,6-Tetramethyl-4-Piperidylamine)
Transport Hazard Class: 8 (Corrosive Substances)
Packing Group: III
Environmental Hazard: Not classified as marine pollutant under IMDG code
Transport Labels: Corrosive symbol required, follow all applicable international, national, and local transport regulations.
Special Precautions for User: Handle containers upright, prevent leaks and spills, emergency procedures for accidental exposure.
Safety, Health, and Environmental Regulations: Subject to TSCA, REACH, and other international chemical inventories. Comply with all country-specific workplace and environmental safety laws.
Labelling Requirements: GHS-compliant hazard labeling essential.
Restrictions: Not registered as a controlled substance but may be subject to chemical reporting and tracking depending on jurisdiction.
SARA Title III: Not listed as extremely hazardous; check local lists for applicability.
Other Provisions: Employers provide staff with access to updated safety data and conduct regular training; chemical hygiene plans (CHP) strongly encouraged in all handling areas.
