Product Name: Gallnut Extract
Synonyms: Chinese gall, tannic acid gall, oak gall
CAS Number: 1401-55-4
Recommended Use: Leather tanning, ink production, dye, medicinal applications
Supplier: Listed supplier address and emergency contact (should be provided on request)
Emergency Phone Number: Local emergency services or poison control (universal: 112/911)
Classification: Irritant (skin, respiratory, eyes), some potential for allergic reactions
Label Elements: Warning symbol – irritant
Signal Word: Warning
Hazard Statements: May cause skin irritation, eye irritation, inhalation may irritate mucous membranes, ingestion could cause stomach discomfort
Precautionary Statements: Use gloves, avoid inhaling dust or powder, avoid contact with eyes and skin, wash thoroughly after handling
Other Hazards: Not classified as flammable, not listed as a carcinogen by OSHA/IARC
Main Ingredient: Gallotannin (tannic acid, 50%-70%)
Other Ingredients: Gallic acid, glucose, ellagic acid, quinic acid, trace organic acids, possible residual plant fiber
Impurities: None of significant toxicological concern, typical plant-derived material traces
Physical Form: Powder or granular plant extract
Inhalation: Move to fresh air, if breathing is labored seek medical advice, rinse nose and mouth with water
Skin Contact: Remove contaminated clothing, wash area with plenty of water and soap, seek treatment for persistent rash
Eye Contact: Rinse under running water for at least 15 minutes, lift eyelids regularly, seek medical care if irritation remains
Ingestion: Rinse mouth, do not induce vomiting, drink water, medical attention recommended if symptoms appear
Most Important Symptoms: Eye and skin irritation, gastrointestinal discomfort, possible allergic symptoms
Note to Physician: Treat symptomatically based on patient’s condition
Suitable Extinguishing Media: Water spray, foam, dry chemical powder, carbon dioxide
Unsuitable Extinguishing Media: High-pressure water jet (may spread powder)
Special Hazards: Dust may form explosive mixtures with air if unsupported in bulk
Hazardous Combustion Products: Oxides of carbon, possible low-molecular aldehydes
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Additional Advice: Remove containers from fire area when safe, cool containers exposed to flames
Personal Precautions: Prevent dust spread, avoid direct contact with eyes or skin, use protective gloves and goggles
Environmental Precautions: Minimize entry of large quantities into drains, surface water, or soil
Cleanup Methods: Sweep up without raising dust, use damp cloth or vacuum with HEPA filter, transfer to a lidded waste container
Containment: Clean affected area with water after removal, avoid further dispersion
Handling: Work in well-ventilated area, use dust control measures, avoid creating airborne particles, do not eat or drink in work area
Storage Conditions: Keep sealed in original packaging, store in a cool, dry, well-ventilated location, protect from moisture and direct sunlight
Incompatible Materials: Strong oxidizers, acids, alkaline substances, strong bases
Packaging Materials: Use food-grade or chemical-resistant containers with airtight seals
Exposure Limits: No established occupational exposure limits (OSHA/NIOSH)
Engineering Controls: Local exhaust ventilation, dust suppression methods, sealed containers
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, dust mask (N95 or higher), lab coat or apron
Hygiene Measures: Wash hands after handling, remove contaminated clothing, regular cleaning of work surfaces
Physical State: Powder or granulate
Color: Light brown to dark brown
Odor: Slight astringent plant smell
pH: 3.0–4.5 (1% aqueous solution)
Boiling Point: Not applicable (decomposes on heating before boiling)
Melting Point: Not applicable
Flash Point: Not determined, generally not flammable at room temperature
Solubility: Soluble in water, ethanol
Density: 0.4–0.6 g/cm³
Vapor Pressure: Negligible
Auto-ignition Temperature: Not available
Explosive Properties: Dust can form explosive mixture with air in extreme bulk situations
Chemical Stability: Stable under ambient temperatures if kept dry and in sealed packaging
Reactivity: Non-reactive under normal conditions
Hazardous Reactions: Contact with strong oxidizers or bases can produce heat, possibly hazardous compounds
Decomposition Products: Carbon monoxide, carbon dioxide, irritating fumes in case of fire
Conditions to Avoid: Excessive heat, open flames, damp conditions, exposure to oxidizing agents
Acute Toxicity: Little data on acute oral toxicity in humans, large doses may cause nausea, vomiting, and diarrhea
Chronic Effects: Long-term exposure may cause skin sensitization or repeated irritation
Skin Corrosion/Irritation: Mild to moderate irritation possible
Serious Eye Damage/Irritation: Irritating, can cause redness and watering
Respiratory Sensitization: Dust or powder inhalation may cause coughing or irritation
Mutagenicity/Carcinogenicity: No data linking gallnut powder to cancer in humans or animals
Other Health Effects: May trigger allergies in predisposed individuals
Ecotoxicity: Plant-derived, no evidence of toxicity to fish or aquatic organisms at reasonable concentrations
Persistence: Fully biodegradable, breaks down by soil and water microbes
Bioaccumulation: No potential for bioaccumulation
Mobility in Soil: Leachates unlikely due to strong adsorptive properties
Other Adverse Effects: Large releases may temporarily affect local water pH
Waste Disposal Methods: Dispose of in accordance with local, regional, national, and international regulations
Disposal of Contaminated Packaging: Clean containers before disposal or recycle if possible, follow local waste authority guidelines
Incineration: Possible for bulk waste, under controlled conditions with proper filtering
Landfill: Acceptable for small quantities where composting or incineration are unavailable
Precautions: Avoid disposal in open water or sensitive habitats
UN Number: Not assigned
ADR/RID/IMDG/IATA: Not classified as dangerous for any mode of transport
Packaging Group: Not regulated
Proper Shipping Name: Gallnut extract, tannic acid extract
Special Transport Precautions: Prevent moisture ingress, package securely, avoid stacking heavy loads
Environmental Hazards: None known under routine transport conditions
US TSCA: Listed
European Union (REACH): Exempt as plant-derived material; allowed in food-contact, cosmetic, and technical uses
Workplace Hazard Classification: Irritant (according to EU CLP and OSHA standards)
Hazard Pictograms: Exclamation mark for irritant
Labeling Requirements: Identification, signal word, hazard statement, supplier info, recommended actions
Other Regulations: Not classified under US SARA Title III, not considered a hazardous waste under RCRA
