Product Name: Tripropylene Glycol
Chemical Formula: C9H20O4
SYNONYMS: TPG, 2,2'-(Propane-1,2-diyloxy)di(propan-1-ol)
CAS Number: 24800-44-0
Recommended Use: Industrial manufacturing, solvent applications, fragrance carrier, deicing fluid base, humectant, plasticizer
Supplier Contact: [Company-specific information]
Emergency Contact: [Emergency number]
Physical State: Liquid
Color: Colorless to pale yellow
Odor: Faint, sweet
GHS Classification: Not classified as hazardous under GHS regulations
Health Hazards: Slight irritation to skin and eyes possible, low toxicity by ingestion
Environmental Hazards: No evidence for acute environmental toxicity, not classified as dangerous for the environment
Signal Word: None
Pictograms: None required
Main Routes of Exposure: Skin contact, eye contact, ingestion, inhalation (vapors at elevated temperatures)
Component: Tripropylene Glycol
Chemical Identity: C9H20O4
PURITY: Typically > 96%
Impurities: Dipropylene glycol (variable, generally < 3%), water (variable, < 1%)
Hazardous Components: None above threshold according to OSHA or GHS
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; seek medical attention if irritation persists
Eye Contact: Flush eyes with water for at least 15 minutes, lifting eyelids; contact a physician if symptoms continue
Inhalation: Remove from exposure, get fresh air, provide oxygen if there are breathing difficulties; obtain medical assistance if discomfort continues
Ingestion: Rinse mouth with water, give plenty of water to drink, do not induce vomiting, call poison control or medical personnel promptly
Most Important Symptoms/Effects: Mild irritation possible to eyes, nose, gastrointestinal tract
Flash Point: 138°C (280°F), closed cup
Autoignition Temperature: 380°C (716°F)
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide
Unsuitable Media: Direct water stream (may spread flames)
Fire Hazards: Combustion generates hazardous fumes (carbon monoxide, carbon dioxide)
Protective Equipment: Self-contained breathing apparatus, full protective gear
Special Procedures: Cool containers with water spray, prevent runoff entering drains
Personal Precautions: Avoid contact with skin and eyes; wear appropriate protective gear (goggles, gloves, apron)
Environmental Precautions: Prevent entry into watercourses, sewers, basements; report large spills to authorities
Cleanup Methods: Absorb with inert material (sand, earth, vermiculite), shovel into waste container, clean spill area thoroughly; ventilate enclosed spaces
Small Spills: Wipe or mop, rinse residue with water
Large Spills: Dike to contain, collect for disposal following local regulations
Handling: Use only in well-ventilated areas; avoid inhaling vapors or aerosols at elevated temperatures; avoid prolonged or repeated skin contact
Safe Storage: Store in tightly closed container, in cool, dry, well-ventilated location, away from strong acids, oxidizers, and sources of ignition
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Hygiene Measures: Wash hands after handling; do not eat, drink, or smoke in use area
Packing Material Recommendations: Metal drums with corrosion-resistant liner, HDPE containers
Occupational Exposure Limit: No established limits for tripropylene glycol
Engineering Controls: Provide local exhaust if vapor generation possible; ensure emergency eyewash stations and safety showers near work area
Respiratory Protection: Not needed during normal use; recommended NIOSH-approved respirator if misting or at high temperatures
Eye Protection: Chemical safety goggles or face shield
Skin Protection: Impermeable gloves (nitrile, neoprene), long-sleeved garments
Other Protection: Prevent repeated contact, use barrier creams if needed
Environmental Controls: Avoid discharge to surface waters
Appearance: Clear, colorless to light yellow liquid
Odor: Mild, slightly sweet
Odor Threshold: Not determined
pH: 6.5–8.0 (5% aqueous solution)
Melting/Freezing Point: -55°C to -35°C (-67°F to -31°F)
Boiling Point: 277°C (531°F)
Flash Point: 138°C (280°F)
Evaporation Rate: Negligible
Flammability: Not classified as flammable liquid, combustible at high temperatures
Vapor Pressure: 0.07 mmHg @ 25°C
Vapor Density (Air=1): ~5
Relative Density: 0.99–1.02 g/cm³
Solubility: Completely miscible with water and many organic solvents
Partition Coefficient (n-octanol/water): log Pow = -0.8
Decomposition Temperature: > 250°C (482°F)
Viscosity: 76–88 cP at 25°C
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: No dangerous reactions known under normal conditions
Hazardous Reactions: Contact with strong acids, oxidizers, and bases can cause hazardous decomposition
Decomposition Products: Carbon monoxide, carbon dioxide may form on burning
Conditions to Avoid: Open flames, excessive heat, direct sunlight, incompatible chemicals
Polymerization: Not expected under normal use
Likely Routes of Exposure: Skin and eye contact, inhalation of vapors at high temperature, ingestion
Acute Toxicity: Low toxicity, estimated LD50 (oral, rat) > 5000 mg/kg
Skin Corrosion/Irritation: Mild irritation possible with prolonged or repeated contact
Eye Damage/Irritation: Possible eye stinging and redness
Respiratory Sensitization: Not expected at ambient temperature
Chronic Effects: No evidence for carcinogenicity, mutagenicity, or reproductive effects in available studies
Medical Conditions Aggravated By Exposure: Pre-existing skin inflammation
Additional Information: Not listed as carcinogenic by IARC, NTP, or OSHA
Ecotoxicity: Not expected to cause harm to aquatic life at typical concentrations
Aquatic Toxicity (LC50, fish): > 10,000 mg/L (ex: Oryzias latipes, 96 hours)
Persistence and Degradability: Readily biodegradable in the environment; primarily degraded by biological processes
Bioaccumulation Damage: Low potential for bioaccumulation, log Pow below 0
Mobility: High mobility in soil and water
Other Adverse Effects: Low concern for ozone depletion, photochemical ozone creation, or global warming effects
Disposal Methods: Dispose of in accordance with federal, state, and local regulations; send to licensed waste handler
Incineration: Suitable for controlled incineration at authorized facilities; do not discharge into sewers
Container Disposal: Empty containers may retain product residue; rinse and recycle or dispose as required
Special Precautions: Avoid spills, release to environment, or unapproved dumping
UN Number: Not regulated
UN Proper Shipping Name: Not classified as hazardous material
Transport Hazard Class: Not controlled as a dangerous good
Packing Group: Not applicable
Marine Pollutant: No
Special Precautions: Secure cargo to prevent movement during transportation, avoid high temperatures
TSCA (USA): Listed
REACH (EU): Registered
OSHA: Not classified as hazardous or regulated substance
WHMIS (Canada): Not controlled
SARA Title III: Not listed for Sections 302/304/313
California Proposition 65: No chemicals listed
Other International Regulations: Complies with Japan ENCS, Australia AICS, South Korea KECL, Philippines PICCS, China IECSC
