Product Name: Propyl Gallate
Chemical Formula: C10H12O5
CAS Number: 121-79-9
Synonyms: Propyl 3,4,5-trihydroxybenzoate
Product Use: Antioxidant in food, cosmetics, pharmaceuticals, and industrial products
Manufacturer Contact: Company safety department phone and address required for safety claims verification
Emergency Contact: Local emergency services or Poison Control Center
Recommended Restrictions: Industrial and laboratory use only
Classification: Not classified as hazardous under GHS
Health Hazards: May cause mild skin or eye irritation upon direct contact; dust inhalation may cause respiratory discomfort
Environmental Hazards: Low hazard to aquatic life, data insufficient for long-term exposure effects
Signal Word: None assigned
Hazard Statements: May cause localized irritation
Pictograms: None required
Precautionary Statements: Avoid breathing dust, wash exposed skin thoroughly, use with adequate ventilation
Ingredient: Propyl Gallate
Concentration: >99% (by weight)
Impurities: Trace levels of related esters and gallic acid derivatives
Other Additives: None detected above regulatory criteria
Ingredient Class: Single organic compound
General Advice: Remove contaminated clothing, seek medical attention if symptoms persist
Inhalation: Move to fresh air, support breathing if needed, medical evaluation for persistent respiratory symptoms
Skin Contact: Wash with plenty of water and mild soap, cover with sterile dressing if irritation continues
Eye Contact: Rinse immediately with clean water for several minutes, remove contact lenses if present
Ingestion: Rinse mouth, do not induce vomiting, consult medical professionals
Most Important Symptoms: Redness, mild irritation, coughing if inhaled
Special Note to Physicians: Treat symptomatically, consider patient allergies and previous exposures
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide
Unsuitable Extinguishing Media: High-pressure water jets may spread dust
Specific Hazards: Combustion generates carbon monoxide, carbon dioxide, possible phenolic compounds
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Firefighting Instructions: Isolate fire area, cool nearby containers with water spray
Hazardous Decomposition Products: Phenol fumes, combustible gases at elevated temperatures
Personal Precautions: Wear dust mask or respirator, safety goggles, impervious gloves
Environmental Precautions: Avoid discharge into drains, waterways, or soil
Spill Clean-Up Methods: Sweep or vacuum without generating dust, place in labeled waste container for proper disposal
Decontamination: Wash spill area with plenty of water, ventilate if indoors
Measures for Large Release: Dike spilled material, collect in appropriate containers using non-sparking tools
Safe Handling: Extremes in temperature, humidity, and ignition sources should be avoided, use in a well-ventilated location
Protective Measures: Use personal protective equipment such as gloves and safety glasses, minimize dust creation
Safe Storage: Store container tightly closed in cool, dry, and well-ventilated area, away from direct sunlight and incompatible materials
Incompatible Materials: Strong oxidizers, acids
Other Precautions: Keep away from food and animal feed
Control Parameters: No specific exposure limits set by OSHA or ACGIH
Engineering Controls: Local exhaust ventilation, dust collection systems recommended
Personal Protective Equipment: Safety glasses or chemical splash goggles, protective gloves (nitrile, neoprene), lab coat or apron
Respiratory Protection: NIOSH-approved respirator if dust generation is possible
Hygiene Measures: Wash hands before eating, drinking, or smoking, remove contaminated clothing after work
Environmental Exposure Control: Maintain process enclosure and dust control measures
Appearance: White to off-white crystalline powder
Odor: Faint, characteristic
Odor Threshold: Not determined
pH (1% solution): 4.0-5.5
Melting Point: 148–150°C
Boiling Point: Decomposes before boiling
Flash Point: >200°C (closed cup)
Evaporation Rate: Not applicable (solid)
Flammability: Fine dust may form explosive mixtures with air, not classified as highly flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Solubility in Water: Slightly soluble (0.5 g/L at 25°C)
Solubility in Solvents: Soluble in alcohol, acetone, ether
Partition Coefficient (log Kow): 1.98
Auto-Ignition Temperature: Not established
Decomposition Temperature: Above 150°C
Viscosity: Not applicable
Chemical Stability: Stable under typical handling and storage
Reactivity: Inert in ordinary conditions, reacts with strong oxidizing agents
Conditions to Avoid: Moist air, heat, sparks, open flames
Incompatible Materials: Strong oxidizers, mineral acids
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, phenolic fumes
Polymerization: Will not occur under recommended storage and handling conditions
Likely Routes of Exposure: Inhalation, skin, eye contact, ingestion
Acute Effects: Eye and skin contact can cause mild irritation; ingestion of large amounts may cause stomach upset
Chronic Effects: No robust evidence of long-term health risks under proper handling
LD50 (Oral, Rat): 3800 mg/kg
LD50 (Dermal): Data not available, low dermal toxicity anticipated
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: No conclusive data
Other Effects: No data showing mutagenicity or organ-specific toxicity
Ecotoxicity: Toxicity to aquatic life considered low based on available research
Persistence and Degradability: Degrades slowly in soil and water, breakdown products are less toxic
Bioaccumulation Potential: Bioaccumulation not significant due to moderate partition coefficient
Mobility in Soil: Low mobility, mostly remains bound to sediment or organic matter
Other Adverse Effects: No ozone depletion, global warming, or photochemical ozone creation impacts identified
Waste Disposal Methods: Incinerate in approved facility or take to hazardous waste contractor
Local Regulations: Comply with regional, national, and local disposal laws
Container Disposal: Triple rinse containers, offer for recycling/reconditioning if possible
Special Precautions: Avoid direct release to environment, do not dispose of in household garbage or drains
UN Number: Not regulated for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Prevent container damage and moisture absorption during transport
TSCA Status: Listed
DSL/NDSL (Canada): Listed
REACH (EU): Pre-registered
OSHA Hazard: Not hazardous
SARA 311/312: Not listed
California Proposition 65: Not listed
Other State Regulations: General chemical control standards may apply
WHMIS (Canada): Not regulated as hazardous
Other Regulation: Meets FCC, JECFA, and FDA food additive standards under specified usage limits
