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Product Name: Acesulfame Potassium
Synonyms: Potassium Salt of 6-Methyl-1,2,3-Oxathiazin-4(3H)-one-2,2-dioxide; Ace-K
Chemical Formula: C4H4KNO4S
CAS Number: 55589-62-3
Recommended Use: Sweetener for food and beverages
Supplier Information: Manufacturer address, phone number, and emergency contact available on request
Emergency Contact: Chemtrec reachable in all regions for immediate support in case of large-scale exposure or transportation issues
Relevant Identified Uses: Direct addition to food products; used in tabletop sweetener blends and pharmaceutical flavor masking
GHS Classification: Not classified as hazardous under GHS criteria
Signal Word: None
Hazard Statements: Dust causes mild irritation to eyes and respiratory system; large ingestion may produce gastrointestinal discomfort
Pictogram: None
Routes of Exposure: Eyes, skin, inhalation, ingestion
Precautionary Statements: Avoid dust formation; use adequate ventilation; prevent contact with eyes; wash thoroughly after handling
Potential Health Effects: Dust inhalation may lead to coughing or sneezing; no substantive chronic or systemic hazards have been documented in standard workplace settings
Chemical Name: Acesulfame Potassium
Concentration: 100% (pure product)
Impurities / Stabilizing Additives: Not present at significant levels exceeding regulatory reporting thresholds
EC Number: 259-715-3
Molecular Weight: 201.24 g/mol
Toxic Components: No constituents classified as hazardous per established occupational health criteria
Inhalation: Move to fresh air, support breathing as needed, rinse mouth with water to reduce dust irritation, seek medical attention if persistent symptoms appear
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, consult medical help if irritation or allergic reaction develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, access medical help if discomfort continues
Ingestion: Rinse mouth with clean water, drink water to dilute, do not induce vomiting, observe for any further symptoms, contact a healthcare provider if significant quantities are ingested
Notes for Physicians: No special antidotes known; treat symptomatically with basic supportive care
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: High-pressure streams may spread dust
Special Hazards: Combustible dust in fine form; potential for dust explosion if suspended in air and ignited under confined conditions
Combustion Products: Sulfur oxides, nitrogen oxides, potassium oxides may be released
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Specific Fire-Fighting Procedures: Remove containers from area if safe, prevent runoff from entering drains, use appropriate extinguishing methods for surrounding fire
Personal Precautions: Avoid breathing dust, provide proper ventilation, prevent contamination of water sources
Environmental Precautions: Prevent spillage from entering drains, surface waters, or soil
Containment Procedures: Cover spilled material; use vacuum or wet methods for cleanup to reduce dust, collect in appropriate containers for disposal
Cleanup Methods: Sweep up gently or use approved vacuum, wash area afterward with water, avoid dry sweeping that disperses dust in air
Reference to Other Sections: Refer to personal protection and disposal guidelines for larger releases
Safe Handling: Avoid generating and inhaling dust, use local exhaust or process enclosure, avoid contact with eyes and prolonged skin exposure
Hygiene Recommendations: Wash hands and face after handling; avoid eating or drinking in work spaces
Conditions for Safe Storage: Store tightly closed in a cool, dry, well-ventilated area
Incompatible Materials: Strong oxidizing agents, strong acids, reactive chemicals
Storage Class: General chemical storage, away from food or feed materials not intended for sweetening
Special Sensitivity: Protect against moisture to avoid caking or clumping
Exposure Limits: No established occupational exposure limits in typical global jurisdictions
Engineering Controls: Use local exhaust; handle in a containment area if possible
Personal Protective Equipment: Safety glasses with side shields or goggles, NIOSH-approved dust respirator, chemical-resistant gloves, lab coat
General Protection: Maintain good workplace hygiene, wash thoroughly after handling, use barrier creams for skin protection if sensitive
Environmental Exposure Controls: Avoid discharge into drains, atmospheric release should stay within safe dust limits
Appearance: White granular solid or crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Typically neutral to slightly basic in solution (6.5 – 7.5 at 10% solution)
Melting Point: Above 225°C (with decomposition)
Boiling Point / Range: Not applicable (decomposes before boiling)
Flash Point: Not applicable
Evaporation Rate: Not applicable
Flammability: Not classified as flammable under GHS; risk arises as a fine dust
Explosive Limits: Data not available; treat as a combustible dust
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Water Solubility: Highly soluble
Partition Coefficient (Log Kow): -2.14
Auto-Ignition Temperature: Not determined
Specific Gravity: 1.81 g/cm³
Decomposition Temperature: Above 225°C
Viscosity: Not relevant (solid material)
Stability: Stable under recommended handling and storage
Polymerization: Not expected
Conditions to Avoid: Excess moisture, high heat, sources of ignition for fine powder
Materials to Avoid: Strong oxidizers, reactive chemicals, acids
Hazardous Decomposition Products: Potential formation of sulfur oxides, nitrogen oxides, and potassium oxides under thermal decomposition
Reactivity: No severe reactivity noted with common food ingredients or simple household chemicals
Likely Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Oral LD50 (rat): >20,000 mg/kg; essentially non-toxic in single dose studies
Skin Corrosion/Irritation: Skin contact generally does not cause irritation in intact skin
Serious Eye Damage/Irritation: Temporary mechanical irritation may occur from dust
Respiratory Sensitization: Prolonged exposure to high dust may result in mild respiratory irritation
Carcinogenicity: Classified as non-carcinogenic based on extensive long-term animal studies and major regulatory reviews, including JECFA and EFSA
Other Chronic Effects: No evidence of reproductive toxicity, mutagenicity, or teratogenicity in available studies
Medical Conditions Aggravated by Exposure: Airborne dust may aggravate pre-existing respiratory conditions such as asthma or chronic bronchitis
Ecotoxicity: Ecotoxicity considered low; studies indicate no significant aquatic or terrestrial toxicity at expected concentrations of use
Persistence and Degradability: Readily soluble in water, moderate persistence in the environment under certain conditions
Bioaccumulative Potential: Bioaccumulation unlikely due to high solubility and rapid elimination
Mobility in Soil: Mobile in aqueous phase, possible leaching potential
Other Adverse Effects: Major authorities (EFSA, FDA) have found no environmental risk from typical consumer and industrial uses
Product Disposal: Dispose in accordance with local, state, and federal regulations for non-hazardous waste; landfill or incineration as permitted
Contaminated Packaging: Rinse containers before disposal or recycling, follow all local waste management requirements
Recycling Statement: Recycling is encouraged where available and compatible with product use category
Special Precautions: Do not discharge to surface water, storm systems, or sewer; avoid dust dispersal during disposal operations
UN Number: Not regulated as a hazardous material for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not hazardous
Packing Group: None assigned
Marine Pollutant: Not classified as marine pollutant
Special Transport Precautions: Protect from physical damage, moisture and contamination during transit
Transportation Notes: No special markings or placards required for road, rail, sea, or air
EU Regulations: Listed in Annex IV of Regulation (EC) No 396/2005 as a permitted food additive (E950), not classified as a hazardous substance or mixture
US Regulations: FDA GRAS (Generally Recognized as Safe) status for use as a sweetener; not listed under SARA Title III, CERCLA, or TSCA chemical hazard listings
Canada: Permitted food additive; not classified as controlled product
Labeling Requirements: No mandatory hazard labeling under GHS/CLP, consumer labeling for food and beverage ingredients applies
Workplace Use: Safe handling in accordance with good manufacturing practices and hygiene standards
Other Regulatory Listings: Listed in inventories in Japan, Australia, Korea, and China as permitted for use in foods and personal care items
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
