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Product Name: Aluminium Potassium Sulfate
Synonyms: Potassium alum, Alum, Potassium aluminium sulfate dodecahydrate
Chemical Formula: KAl(SO4)2·12H2O
Molecular Weight: 474.39 g/mol
CAS Number: 7784-24-9
Recommended Use: Water purification, mordant in dyeing, food additive, cosmetic astringent, pickling agent
Manufacturer Contact: Contact details typically found on manufacturer’s website or packaging
Emergency Phone Number: Check with local poison control or chemical emergency services
Address: Refer to packaging or supplier’s label
Classification: Not classified as hazardous under GHS for most jurisdictions
Physical Hazards: Not flammable, material itself is not explosive
Health Hazards: May cause irritation to eyes, skin, and respiratory system; ingestion in large amounts may cause gastrointestinal distress
Environmental Hazards: Not classified as environmentally hazardous, caution advised with large spills
Signal Word: Not required for most uses
Hazard Statements: May cause mild irritation on contact
Pictograms: Usually not required; may include exclamation mark for irritant
Chemical Name: Aluminium Potassium Sulfate Dodecahydrate
Common Name: Potassium alum
Concentration: Approximately 100%
Impurities: May contain trace amounts of other sulfates or minerals, depending on mining sources
Ingredient CAS Number: 7784-24-9
Inhalation: Move person to fresh air if dust becomes inhaled and seek medical advice if symptoms continue
Skin Contact: Wash thoroughly with plenty of soap and water to remove any residue; seek medical attention for persistent irritation
Eye Contact: Rinse carefully with water for several minutes; remove contact lenses if present; continue rinsing and seek medical attention if irritation persists
Ingestion: If swallowed, rinse mouth with water and call poison control or get medical attention for significant discomfort
Specific Advice: No special antidote; treat symptoms as needed
Suitable Extinguishing Media: Use water spray, foam, or dry chemical for surrounding fire; product does not burn
Specific Hazards Arising: At high temperatures, decomposition may release sulfur oxides
Protective Gear for Firefighters: Use self-contained breathing apparatus and chemical-resistant clothing as protection from fumes
Explosion Data: No risk of explosion under normal handling and storage
Advice for Firefighters: Control runoff water to prevent environmental contamination
Personal Precautions: Avoid inhaling dust, and avoid contact with skin and eyes; wear personal protective equipment
Environmental Precautions: Prevent large amounts from entering waterways, drains, or soil
Spill Cleanup Method: Sweep up material carefully to avoid dust; place in suitable containers for disposal
Decontamination: Wash spill area with water
Disposal of Cleanup Materials: Dispose according to local regulations; do not allow to contaminate stormwater systems
Safe Handling Advice: Work in well-ventilated areas; avoid creating airborne dust; use appropriate PPE
Personal Hygiene: Wash thoroughly after handling
Incompatible Materials: Avoid storing near strong acids or bases
Storage Conditions: Store in a cool, dry location; keep container tightly closed when not in use; protect from moisture
Handling Equipment: Use non-reactive containers and utensils
Occupational Exposure Limits: Not specifically regulated in many regions, but general nuisance dust limits apply (OSHA PEL for particulates: 15 mg/m³ total dust, 5 mg/m³ respirable)
Engineering Controls: Provide mechanical exhaust or local ventilation to control airborne dust
Respiratory Protection: Use NIOSH-approved dust mask for dusty environments
Skin Protection: Wear gloves to prevent irritation; choose chemical-resistant type
Eye Protection: Wear safety goggles or face shields where dust generation is possible
Other Protective Equipment: Apron or lab coat recommended in industrial environments
Appearance: Colorless to white crystalline solid
Odor: Odorless
pH: Acidic (pH of ~3.0 in 5% aqueous solution)
Melting Point: Approximately 93.5 °C (decomposes)
Boiling Point: Not applicable (compound decomposes before boiling)
Solubility: Soluble in water; insoluble in alcohol
Density: 1.73 g/cm³ (at 20 °C)
Vapor Pressure: Negligible at room temperature
Partition Coefficient (n-octanol/water): Not available
Evaporation Rate: Not applicable or negligible
Other Data: Stable under normal conditions; effloresces slowly on exposure to air
Chemical Stability: Stable under normal storage and handling conditions
Incompatibility: Reacts with strong acids, strong bases, and reducing agents
Conditions to Avoid: High temperature, moisture, and contact with incompatible chemicals
Hazardous Decomposition Products: Sulfur oxides, potassium oxides, aluminium oxides upon thermal decomposition
Polymerization: Will not occur under proper use
Acute Toxicity: Low acute toxicity by oral and dermal exposure based on available studies
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Symptoms: May cause eye, skin, and respiratory irritation; ingestion may cause abdominal pain, nausea, vomiting
Chronic Effects: Prolonged exposure may lead to slight skin dryness or irritation; no significant chronic toxicity established
Carcinogenicity: Not classified as carcinogen by IARC, NTP, OSHA
Mutagenicity: No known mutagenic effects
Reproductive Toxicity: Not known to cause reproductive harm
Aquatic Toxicity: Low toxicity to aquatic life; excessive quantities may disrupt aquatic environments due to osmoregulatory effects
Persistence and Degradability: Inorganic compound; not subject to degradation by biological processes
Bioaccumulative Potential: Not expected to bioaccumulate
Mobility in Soil: High mobility; can migrate through soil with water
Other Adverse Effects: Use care to avoid large-scale disposal in water bodies or fragile ecosystems
Waste Disposal Methods: Dispose chemical in accordance with federal, state, and local regulations; small amounts can usually be disposed of in landfill with non-hazardous waste
Disposal Containers: Use properly labeled, sealed containers; avoid generating dust
Rinse Solutions: Treat rinse water as chemical waste if contaminated
Unused Product: Offer for recycling or dispose of as ordinary waste if permitted by local authority
UN Number: Not regulated for transport
Proper Shipping Name: Aluminium Potassium Sulfate
Transport Hazard Class: Not classified as hazardous for land, sea, or air
Packing Group: Not applicable
Special Precautions: Prevent cargo shifts, avoid contact with incompatible substances, keep dry
OSHA Status: Not classified as hazardous
TSCA Status: Listed
European REACH: Registered and permitted for industrial and consumer use
WHMIS: Not controlled
SARA Title III/Section 313: Not reportable
California Proposition 65: Not listed
Other State or International Regulations: Check specific local guidance as rules can change by jurisdiction
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
