Product Name: 2-Hydroxymethyl-2-methyl-1,3-propanediol
Synonyms: Trimethylolpropane, TMP
CAS Number: 77-99-6
Recommended Use: Industrial manufacturing, coatings, plastics, polyester resin production
Manufacturer Information: Contact your chemical supplier for address and emergency phone number
Emergency Telephone: CHEMTREC: 1-800-424-9300
GHS Classification: Not classified as hazardous under GHS
Signal Word: None required
Hazard Statements: Non-toxic, may cause mild irritation to eyes and skin on direct contact
Precautionary Statements: Avoid prolonged skin contact, wear protective gloves, do not ingest
Potential Health Effects: May cause mild irritation to respiratory tract if dust is inhaled
Chemical Name: 2-Hydroxymethyl-2-methyl-1,3-propanediol
EC No.: 201-074-9
Pureness: ≥99%
Additives/Impurities: Commercial material typically free of significant impurities
Molecular Formula: C6H14O3
General Notes: Remove contaminated clothing and flush exposed areas with water
Eye Contact: Rinse with plenty of clean water for at least 15 minutes, remove contact lenses, seek medical attention if irritation persists
Skin Contact: Wash skin with soap and water, remove contaminated clothing
Inhalation: Move to fresh air, monitor for signs of discomfort, seek medical advice if symptoms continue
Ingestion: Rinse mouth with water, drink water to dilute, do not induce vomiting, seek medical assistance
Suitable Extinguishing Media: Water spray, foam, dry powder, carbon dioxide
Unsuitable Extinguishing Media: Do not use direct water jet
Specific Hazards: May form combustible dust concentrations in air, thermal decomposition releases carbon oxides
Special Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective clothing
Additional Information: Cool containers with water, avoid inhaling combustion products
Personal Precautions: Use appropriate protective equipment, avoid creating dust
Environmental Precautions: Prevent further leakage or spillage if safe, do not allow product to reach drains, watercourses, or soil
Methods for Cleaning Up: Collect spill mechanically, use non-sparking tools, sweep or vacuum without creating dust, place into appropriate container for disposal
Reference to Other Sections: For personal protection see Exposure Controls and Personal Protection; for waste disposal see Disposal Considerations
Handling: Avoid dust formation, ensure suitable ventilation, handle with care as substance may irritate skin and eyes
Preventive measures: Wear protective gloves, safety goggles, prevent accidental contact, avoid ingestion
Storage Conditions: Store in tightly closed containers in a dry, cool, well-ventilated place, avoid sources of ignition
Incompatibilities: Avoid strong oxidizers, acids, and bases
Storage Class: Chemical Storage, General, keep separated from foodstuffs
Occupational Exposure Limits: No established limit values
Engineering Controls: Local exhaust ventilation to control dust levels
Personal Protective Equipment: Safety glasses, protective gloves (nitrile), laboratory coat or chemical-resistant apron
Respiratory Protection: Respirator with particulate filter (N95 or equivalent) in dusty conditions
Hygiene Measures: Wash hands after handling, do not eat, drink, or smoke while handling product
Appearance: White crystalline solid or powder
Odor: Faint, characteristic odor
Odor Threshold: Not determined
pH: 7 (1% solution)
Melting Point/Freezing Point: 56–59°C (133–138°F)
Initial Boiling Point/Range: 295°C (563°F) at 1013 hPa
Flash Point: 178°C (closed cup)
Evaporation Rate: Negligible
Flammability: Not easily flammable but combustible when heated
Vapor Pressure: <0.01 hPa at 20°C
Vapor Density: Not available
Relative Density: 1.08 g/cm³ at 20°C
Solubility: Soluble in water, ethanol, acetone
Partition Coefficient (n-octanol/water): log Kow -0.33
Auto-ignition Temperature: 370°C
Decomposition Temperature: >200°C
Viscosity: Not determined
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive under normal conditions
Possible Hazardous Reactions: Polymerization will not occur
Conditions to Avoid: Excessive heat, ignition sources, moisture
Incompatible Materials: Strong oxidizers, chloroformates, acids
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide under fire conditions
Acute Toxicity: Oral LD50 (rat): >5,000 mg/kg (practically non-toxic)
Skin Corrosion/Irritation: Mildly irritating to skin
Serious Eye Damage/Irritation: Mildly irritating to eyes
Respiratory or Skin Sensitization: Not sensitizing
Carcinogenicity: Not classified as carcinogenic by OSHA, NTP, ACGIH, or IARC
Mutagenicity: No data indicating mutagenic properties
Reproductive Toxicity: No evidence of reproductive or developmental toxicity
Repeated Dose Toxicity: No adverse effects noted in standard tests
Ecotoxicity: Low toxicity to aquatic life
Persistence and Degradability: Readily biodegradable in environmental conditions
Bioaccumulation Potential: Very low, log Kow value indicates no significant potential for bioaccumulation
Mobility in Soil: Soluble in water, can leach through soil
Other Adverse Effects: No known significant adverse effects
Waste Treatment Methods: Dispose of contents/container in compliance with local, regional, national, and international regulations
Product Disposal: Send to licensed chemical disposal facility
Packaging Disposal: Rinse and recycle or dispose of safely as per regulatory guidelines
Do Not: Discharge product into the environment or municipal sewers
UN Number: Not regulated for transport
Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Prevent dust generation and packaging damage during transit
TSCA Inventory: Listed
OSHA Hazard Communication Status: Non-hazardous
European Inventory (EINECS): Listed (201-074-9)
WHMIS Classification (Canada): Not controlled
Other Regulations: Not listed under SARA Title III, not subject to special labeling, complies with REACH registration requirements
Label Elements: No hazard pictogram, precautionary measures focused on safe handling and personal protection
Providing high-quality chemical products and logistics solutions for global trade partners.
