Chemical Name: Pyrogallol
Synonyms: 1,2,3-Trihydroxybenzene, Pyrogallic Acid
Molecular Formula: C6H6O3
Chemical Family: Phenol derivatives
CAS Number: 87-66-1
Intended Use: Laboratory reagent, photography developer, oxygen scavenger
Manufacturer Details: [Insert supplier/manufacturer name]
Emergency Contact: [Insert emergency phone number]
Product Identifier: Pyrogallol technical grade, crystalline solid
GHS Classification: Acute toxicity (oral, dermal), Skin irritation, Eye damage, Specific target organ toxicity
Signal Word: Danger
Hazard Statements: Harmful if swallowed, in contact with skin, or inhaled; Causes serious eye damage; May cause damage to organs through prolonged exposure
Pictograms: Exclamation mark, health hazard, corrosion
Precautionary Statements: Wash skin thoroughly after handling; Wear protective gloves/eye protection; Use only outdoors or in well-ventilated areas; Do not eat, drink, or smoke when using; Avoid release to environment
Target Organs: Kidneys, liver, blood
Component: Pyrogallol
Concentration: >99% by weight
Chemical Formula: C6H6O3
CAS Number: 87-66-1
Impurities: Trace phenol derivatives (less than 1%)
Inhalation: Move to fresh air; keep at rest in comfortable position; seek medical attention for breathing difficulty
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; seek medical advice if irritation persists
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present; continue rinsing; seek immediate medical attention
Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical attention; never give anything by mouth to an unconscious person
Medical Attention: Treat symptomatically and supportively; monitor for signs of methemoglobinemia
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, foam
Unsuitable Media: Strong water jets, as dust may spread
Special Hazards: Can produce toxic fumes such as carbon monoxide, carbon dioxide
Protective Equipment: Firefighters use self-contained breathing apparatus and full protective gear
Explosion Hazard: Dust can form explosive mixture with air
Firefighting Instructions: Cool containers with water spray from a safe distance; avoid inhalation of combustion products
Personal Precautions: Wear specified protective equipment; avoid dust generation; ventilate area
Environmental Precautions: Prevent entry into sewers and soil; contain spill on-site
Cleanup Methods: Scoop up spilled material into appropriate waste container; use antistatic tools; flush area with water only after initial clean-up
Disposal: Dispose of in accordance with local regulations
Handling: Use only with adequate ventilation; avoid contact with skin, eyes, and clothing; handle using approved safety practices; prevent dust formation
Storage: Store in cool, dry, well-ventilated area; keep container tightly closed; separate from oxidizers, strong acids, strong bases; protect from light and moisture
Specific Uses: Laboratory applications, hair dyes, photographic developer (under professional supervision)
Exposure Limit Values: OSHA/NIOSH/ACGIH not specified; minimize exposure regardless
Engineering Controls: Work under fume hood where practical; use local exhaust ventilation; maintain eye-wash stations and safety showers in the vicinity
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), long-sleeved laboratory coats, safety goggles or face shield
Respiratory Protection: Use NIOSH-approved particulate respirator in case of dust formation or inadequate ventilation
Hygiene Measures: Wash hands before breaks and after handling; remove contaminated clothing promptly
Appearance: White to off-white crystalline powder
Odor: Slight phenolic smell
Melting Point: About 131-133°C
Boiling Point: Decomposes before boiling (at 309°C)
pH (1% Solution): Weakly acidic
Solubility: Soluble in water, alcohol, ether
Vapor Pressure: Negligible at room temperature
Density: About 1.46 g/cm³
Partition Coefficient (log Pow): -0.74 (estimated)
Other: Can discolor after prolonged exposure to air
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with oxidizing agents; may undergo self-oxidation on long standing
Conditions to Avoid: Heat, moisture, exposure to light, strong air current
Incompatible Materials: Strong oxidizers (nitric acid, hydrogen peroxide), alkalis, strong acids, iron salts
Decomposition Products: Phenolic compounds, carbon monoxide, carbon dioxide
Acute Toxicity: Oral LD50 (rat): 300-400 mg/kg; Dermal LD50 (rabbit): 200-600 mg/kg
Skin/Eye Irritation: Causes moderate to severe irritation, risk of burns
Respiratory Effects: Inhalation may cause sore throat, cough, dizziness, methemoglobinemia
Chronic Effects: Prolonged or repeated exposure may cause damage to blood, liver, kidneys
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, OSHA
Other Risks: May cause allergic reactions with repeated skin contact
Ecotoxicity: Harmful to aquatic organisms; may cause long-term adverse effects in aquatic environment
Environmental Fate: Readily biodegradable under aerobic conditions; can leach into soil and groundwater
Bioaccumulation: Low potential (log Pow below zero)
Mobility: Moderate, soluble in water
Degradation Products: Breaks down into less toxic phenol derivatives and organic acids
Safe Disposal: Dispose as hazardous chemical waste through licensed contractor
Contaminated Packaging: Triple rinse containers before disposal; puncture or break to prevent reuse
Incineration: Use approved high-temperature facility for safe incineration
Regulatory Requirements: Follow all local, national, and international regulations on hazardous waste
Prevention: Avoid release into environment, watercourses, or drains
UN Number: UN2811
UN Proper Shipping Name: Toxic solid, organic, n.o.s. (Pyrogallol)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: III
Labels Required: Toxic
Special Precautions: Keep container tightly closed and upright; avoid rough handling
Transport by Air and Sea: Follows rules for toxic solids; reference IATA/IMDG codes
TSCA Status: Listed in the United States Toxic Substances Control Act Inventory
REACH Registration: Registered under European REACH regulation
Hazard Symbol (EU): T (Toxic), Xi (Irritant)
SARA Title III (Section 313): Listed as a toxic chemical due to acute effects
California Proposition 65: Not listed as a carcinogen or reproductive toxicant
Workplace Exposure Limits: Not established, minimize exposure using good industrial practice
Other National Inventories: Australia AICS, Canada DSL, Japan ENCS, Korea KECI, Philippines PICCS all list pyrogallol
Additional Requirements: Users follow safe use guidelines and contain material responsibly
