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Name: Potassium Benzoate
Chemical Formula: C7H5KO2
CAS Number: 582-25-2
EC Number: 209-481-3
Synonyms: Benzoic acid potassium salt, E212
Recommended Use: Food preservative, laboratory chemicals
Restrictions on Use: Not suitable for unauthorized or unapproved uses
Supplier Information: Name, address, and emergency contact details for the manufacturer or distributor included on individual shipment labels
Classification: Not classified as hazardous according to GHS, minor irritant
Label Elements: No symbol or signal word required under standard regulations
Potential Health Effects: Eye, skin, and respiratory irritant; high-dose ingestion may cause stomach upset
Environmental Hazards: No significant hazards at normal use levels; avoid large-scale spills
Precautionary Statements: Avoid dust generation, prevent contact with eyes and skin, ensure good ventilation
Component: Potassium Benzoate
Concentration: 99–100% (by weight)
Impurities: Trace benzoic acid, water
Ingredient Disclosure: Substance not blended or formulated with other materials
Inhalation: Move individual to fresh air; seek medical advice if symptoms develop
Skin Contact: Wash thoroughly with soap and water; seek medical attention if persistent irritation occurs
Eye Contact: Rinse carefully with water for several minutes; remove contact lenses if present and easy to do; consult medical personnel for lasting discomfort
Ingestion: Rinse mouth, drink water, do not induce vomiting; seek medical advice for large or deliberate ingestion
Most Important Symptoms: Irritation of mucous membranes, potential for mild allergic reactions
Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide
Specific Hazards: Emits toxic fumes of potassium oxides and benzoic acid under fire conditions
Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Advice for Firefighters: Control run-off to prevent environmental contamination; keep upwind
Personal Precautions: Use personal protective equipment such as gloves, safety goggles, and a dust mask
Environmental Precautions: Prevent spillage from entering soil, drains, or waterways
Cleanup Methods: Sweep up, avoid generating dust; transfer to unopened, labeled container for disposal; ventilate area thoroughly
Handling: Keep away from moisture and incompatible chemicals; avoid formation of dust; use in a well-ventilated space
Storage: Store in tightly sealed containers in a cool, dry, and well-ventilated place; keep away from foodstuffs, acids, and oxidizers
Incompatible Products: Strong acids, strong oxidizing agents
Hygiene Measures: Wash hands after handling, remove contaminated clothing before breaks or meals
Engineering Controls: Use of fume hood or local exhaust recommended for dust generation
Respiratory Protection: Wear an approved dust mask if ventilation is insufficient
Eye Protection: Use safety goggles with side protection
Skin Protection: Wear suitable gloves and protective clothing
Exposure Limits: No occupational exposure limits established, but avoid inhalation of dust particles
Appearance: White crystalline powder or granules
Odor: Odorless or faint benzoic acid smell
pH: 7.5–9 (10% solution in water)
Melting Point: Decomposes near 300°C
Boiling Point: Not applicable
Solubility: Freely soluble in water, slightly soluble in alcohol
Density: 1.5–1.7 g/cm³
Molecular Weight: 160.21 g/mol
Partition Coefficient (Log Kow): 1.88 (estimated, at pH 7)
Chemical Stability: Stable at ordinary conditions, sensitive to moisture in open air
Reactivity: Unreactive in neutral environments; reacts with strong acids to release benzoic acid; reacts with strong oxidizing agents
Hazardous Decomposition Products: Potassium oxides, benzoic acid vapors, carbon oxides during combustion
Conditions to Avoid: Excessive heat, moisture, open flames, incompatible chemicals
Acute Toxicity: Oral LD50 (rat): 2,000 mg/kg or higher; low acute toxicity
Skin Corrosion/Irritation: Minor irritant to skin in sensitive individuals
Eye Damage/Irritation: Mild irritant
Respiratory Sensitization: Dust may irritate mucous membranes
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Chronic Effects: No evidence of long-term health risks in dietary use; allergic-type reactions may occur in rare cases
Other Effects: Consumed in large amounts, may impact individuals with certain metabolic disorders
Ecotoxicity: Low toxicity to aquatic life at expected environmental concentrations
Persistence and Degradability: Biodegradable by common soil and water bacteria
Bioaccumulative Potential: Not expected to accumulate in living organisms
Mobility in Soil: Mobile due to high water solubility
Other Adverse Effects: Avoid large-scale contamination of aquatic environments
Waste Treatment Methods: Dispose in accordance with local, regional, and national regulations
Product Disposal: Small quantities may go to landfill via municipal waste; large quantities should go to licensed waste handler
Contaminated Packaging: Rinse and offer for recycling or disposal as permitted by authorities
Special Precautions: Do not discard in drains, watercourses, or environment
UN Number: Not regulated as hazardous for transport
UN Shipping Name: Not assigned
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Avoid moisture during shipment; keep packaging tightly sealed and intact
Safety, Health, and Environmental Regulation: Approved as a food additive internationally (E212); subject to food additive laws and chemical safety regulations
OSHA Status: Not listed as hazardous
SARA 302/304/311/312/313: Not listed
TSCA Status: Listed on the Toxic Substances Control Act inventory
EU Regulation (REACH): Exempt as a food additive
Canadian DSL/NDSL: Listed
Labeling Requirements: Label containers clearly with product identity, health and safety warnings, and supplier contact details
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
