Product Name: 2,2,6,6-Tetramethylpiperidine
Chemical Formula: C9H19N
CAS Number: 768-66-1
Synonyms: TMP, Tetramethylpiperidine
Recommended Use: Laboratory reagent, chemical synthesis
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Emergency Contact: [Phone number or local emergency contact]
GHS Classification: Flammable liquid (Category 3), Acute toxicity oral (Category 4), Serious eye irritation (Category 2A)
Label Elements: Flammable, Harmful if swallowed, Causes serious eye irritation
Pictograms: Flame, Exclamation mark
Signal Word: Warning
Hazard Statements: May form flammable vapors, ingestion can lead to symptoms like nausea and shock, exposure to eyes will sting and irritate heavily
Precautionary Statements: Keep container closed tightly, keep away from heat or ignition, wear eye, face, and hand protection, wash thoroughly after handling
Chemical Name: 2,2,6,6-Tetramethylpiperidine
Concentration: 98–100%
CAS Number: 768-66-1
Impurities: Trace amounts of related piperidines
Inhalation: Move to fresh air, give oxygen if breathing is difficult, get medical attention if symptoms persist
Skin Contact: Rinse skin with plenty of soap and water, take off contaminated clothing, see a doctor if redness or burning lasts
Eye Contact: Flush eyes with water for at least 15 minutes, hold eyelids apart, seek medical help immediately
Ingestion: Rinse mouth, drink water if conscious, do not force vomiting, get to a doctor or poison center as soon as possible
Main Symptoms: Dizziness, nausea, headache, irritation in respiratory tract or eyes
Flash Point: Around 41–46°C (closed cup)
Suitable Extinguishing Media: Dry chemical, CO2, foam, or water spray
Hazardous Combustion Products: Generates toxic fumes—nitrogen oxides, carbon monoxide, and carbon dioxide
Protective Equipment: Wear firefighting gear, self-contained breathing apparatus, keep runoff from water out of drains
Fire Hazards: Vapors can build up and ignite at a distance, containers may burst if heated
Personal Protection: Wear nitrile gloves, goggles, and lab coat
Spill Cleanup: Scoop up with inert absorbent like sand or vermiculite, avoid raising dust, place in sealed waste container
Environmental Precaution: Prevent from entering drains and waterways, ventilate affected area
Decontamination: Wash smaller spill area with soapy water, handle waste as hazardous
Safe Handling: Handle under a chemical fume hood, avoid inhaling vapors or skin contact, keep away from sources of heat or sparks
Storage Conditions: Store in cool, well-ventilated spot, keep tightly closed away from oxidizers and acids
Special Precautions: Lock containers and label clearly, inspect regularly for leaks or damage
Exposure Limits: No official occupational limits established, keep all exposures as low as possible
Engineering Controls: Use chemical fume hood, good general room ventilation
Personal Protective Equipment: Nitrile gloves, chemical splash goggles, flame-resistant lab coat
Workplace Hygiene: Wash hands, face, and arms thoroughly after handling, do not eat or drink near chemical use
Respiratory Protection: Respirator with organic vapor cartridge if vapor levels rise above comfort threshold
Appearance: Clear, colorless liquid
Odor: Amine-like, sharp
Melting Point: −10°C
Boiling Point: 156–160°C
Density: 0.86–0.88 g/cm³
Solubility: Mixes slightly with water, more soluble in alcohol and ether
Vapor Pressure: Moderate at room temperature
Autoignition Temperature: Above 200°C
pH: Basic, but not measured directly in water due to limited solubility
Chemical Stability: Stays stable under common storage and normal temperatures
Incompatibilities: Avoid strong oxidizers, acids, acid chlorides, acid anhydrides
Reactivity: Can react with strong acids to produce heat and hazardous gases, forms solid adducts with some organometallics
Hazardous Decomposition: Heating can release toxic gases like carbon monoxide, nitrogen oxides
Routes of Entry: Inhalation, skin and eye contact, ingestion
Acute Effects: Swallowing causes pain in intestinal tract, nausea, maybe vomiting, inhaling vapor makes breathing rough, eyes sting
Chronic Effects: Not widespread data, regular exposure can dry out and crack skin, may irritate mucous membranes
LD50 (Oral, Rat): 730 mg/kg
Sensitization: No strong evidence for sensitizing people on skin or lungs, but caution still advised
Aquatic Toxicity: Harmful to aquatic life in high concentrations, fish and algae most susceptible
Persistence: Degrades with sunlight and air, can stick around in soil without much moisture
Bioaccumulation: Not likely to build up in animals or humans given its volatility
Mobility: Seeps through soil if spilled liberally, evaporates quickly from exposed surfaces
Disposal Methods: Collect in designated hazardous waste container, do not dump in sinks, sewers, or outside
Incineration: Send to licensed chemical incinerator with afterburner and scrubber for best results
Container Cleaning: Triple-rinse empty containers, puncture after cleaning, follow local rules for disposal
UN Number: 1993
Proper Shipping Name: Flammable Liquid, N.O.S. (2,2,6,6-Tetramethylpiperidine)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III (lower danger)
Labels: Flammable liquid
Special Transport Notes: Ship in well-sealed, compatible containers, avoid rough handling, follow IATA/IMDG/DOT rules closely
TSCA Status (US): On inventory
EINECS Number (EU): 212-193-2
SARA Title III (US): Not listed in Sections 302, 313
REACH Registration: Not classified for consumer use, registration for large import or manufacture applies
Other National Inventories: Listed in Canada DSL, Australia AICS
Hazard Designations: Flammable and irritant according to local, state, and national chemical safety boards
