© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Product Name: Gallic Acid Chemical Name: 3,4,5-Trihydroxybenzoic acid CAS Number: 149-91-7 EC Number: 205-749-9 Synonyms: Tannic acid monohydrate, Pyrogallol-5-carboxylic acid Recommended Use: Laboratory chemicals, chemical manufacturing, plant extracts Manufacturer Information: Supplier’s address, phone, emergency phone should appear here, ensuring quick access during emergencies. Emergency Support: CHEMTREC or other emergency contact lines
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2) Label Elements: Warning symbol (exclamation mark), Signal word: Warning Hazard Statements: Causes skin irritation, causes serious eye irritation Precautionary Statements: Avoid breathing dust, Wash hands thoroughly after handling, Wear protective gloves and eye protection, If on skin: wash with plenty of soap, If in eyes: rinse cautiously with water Routes of Entry: Inhalation, ingestion, skin and eye contact Acute Effects: May cause redness, itchiness, or swelling of skin and eyes, Inhalation may cause coughing, throat irritation Chronic Effects: Prolonged exposure might lead to sensitization or repeat irritation, skin dryness
Chemical Name: Gallic Acid Synonyms: 3,4,5-Trihydroxybenzoic acid Chemical Formula: C7H6O5 Molecular Weight: 170.12 g/mol Concentration: 98-100% Impurities/Additives: None identified in pure form EC Number: 205-749-9
Inhalation: Move to fresh air, Keep patient warm and at rest, Seek medical attention if respiratory symptoms occur or persist Skin Contact: Remove contaminated clothing, Wash skin thoroughly with soap and water, Seek medical advice if irritation persists Eye Contact: Rinse immediately with clean water for at least 15 minutes, Hold eyelids apart to ensure thorough rinsing, Remove contacts if present and easy, Seek medical attention Ingestion: Rinse mouth with water, Do not induce vomiting, Give water to drink only if the person is conscious, Seek medical attention Notes to Physician: Symptomatic treatment is recommended, Consider supporting respiration if needed
Suitable Extinguishing Media: Carbon dioxide, foam, dry chemical powder, water spray Unsuitable Extinguishing Media: Direct water stream may scatter powder Specific Hazards: Decomposes with heat, releasing carbon oxides (CO, CO2) and irritating fumes Personal Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear Special Protection: Avoid inhalation of combustion products, Control runoff water to prevent environmental contamination Explosion Data: Not sensitive to mechanical impact or static discharge, powder can pose a dust explosion hazard in confined spaces
Personal Precautions: Avoid dust formation, Ensure adequate ventilation, Wear suitable protective equipment (mask, gloves, goggles) Environmental Precautions: Prevent from entering drains, surface, or ground waters Cleanup Procedures: Sweep up and place in a suitable container for disposal, Avoid creating airborne dust, Clean contaminated surfaces with water and detergent Containment: Use spill control materials if necessary, Isolate area and restrict unprotected access Disposal: Follow recommendations under Disposal Considerations
Handling: Avoid dust formation, Do not breathe dust, Work in well-ventilated areas, Wash thoroughly after handling, Use personal protection Fire Safety: Keep away from ignition sources, Avoid storage with oxidizers, strong acids Equipment Advice: Ground and bond containers to prevent static buildup Storage Conditions: Store in tightly closed containers, in a cool, dry, well-ventilated place, Keep away from sunlight and moisture Incompatible Materials: Strong oxidizing agents, strong bases, reducing agents
Exposure Limits: No established OSHA, ACGIH, or NIOSH exposure limits Engineering Controls: Use local exhaust ventilation, Keep workplace dust levels as low as possible Respiratory Protection: Use NIOSH-approved dust mask or respirator for dust, In absence of adequate ventilation, use full-face respirator Skin Protection: Wear protective gloves (nitrile, rubber), Use lab coat or protective clothing Eye Protection: Chemical safety goggles or full-face shield Hygiene Measures: Do not eat, drink, or smoke during work, Wash hands thoroughly after use, Remove contaminated clothing before re-entering rest areas
Appearance: White to light beige crystalline powder Odor: Odorless or faint characteristic pH (1% solution): 2.4 – 3.0 Melting Point: 251-253°C Boiling Point: Decomposes Flash Point: Not applicable in solid form Relative Density: 1.69 g/cm³ Solubility: Soluble in hot water, alcohol, acetone; insoluble in chloroform, ether Partition Coefficient (Log Kow): 0.70 Vapor Pressure: Negligible at room temperature Auto-ignition Temperature: No data available Decomposition Temperature: Above 250°C
Chemical Stability: Stable under recommended storage conditions Conditions to Avoid: High humidity, excessive heat, open flame, sources of static electricity Materials to Avoid: Strong oxidizing agents, strong bases Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating organic compounds Potentially Dangerous Reactions: Incompatible with strong acids and oxidizers, Risk of dust-air mixtures igniting in confined spaces
Routes of Exposure: Inhalation, ingestion, skin and eye contact Acute Toxicity: LD50 (oral, rat): 5,000 mg/kg Skin Corrosion/Irritation: May cause irritation, redness, and dryness Serious Eye Damage/Irritation: Causes irritation, lacrimation, possible redness Respiratory Sensitization: Prolonged inhalation may cause cough and slight respiratory discomfort Genotoxicity: Not classified as mutagenic based on current studies Carcinogenicity: IARC, NTP, OSHA have not classified gallic acid as carcinogenic Reproductive Toxicity: No known effects on fertility or fetal development Symptoms: Swelling, itching, burning sensation, risk of mild GI upset if large amounts ingested
Ecotoxicity: Not expected to be highly toxic to aquatic life at low concentrations, LC50 (fish, 96h): >100 mg/L Persistence and Degradability: Biodegradable in presence of active microorganisms Bioaccumulation Potential: Low potential, Log Kow of approximately 0.7 Mobility in Soil: Moderately mobile, can leach in waterlogged soils Other Adverse Effects: Avoid large-scale spills to prevent excess organic load in waterways
Waste Treatment Methods: Dispose of according to local, regional, and national regulations, Use approved landfill or incineration methods Product Disposal: Rinse containers before recycling, Small quantities may go with regular laboratory waste if allowed Contaminated Packaging: Clean thoroughly or dispose of in accordance with community standards Special Precautions: Never discharge to surface or ground waters directly
UN Number: Not regulated under main transport codes UN Proper Shipping Name: Not classified as dangerous for transport Transport Hazard Class: Not assigned Packing Group: Not regulated Environmental Hazards: Not a marine pollutant Special Precautions: Avoid damage to packaging, Protect from moisture during transport
OSHA Status: Not a hazardous substance as per OSHA 29 CFR 1910.1200 TSCA: Substance listed REACH Compliance: Registered substance in the EU, subject to basic safety regulations DSL/NDSL: Listed in Canadian inventories Other Standards: Not listed as a controlled or hazardous substance under numerous global regulations, Subject to standard chemical hygiene rules Label Requirements: Basic hazard pictograms advised, Safety Data Sheet available on request
