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Product Name: Ethyl Maltol
CAS Number: 4940-11-8
Synonyms: 2-Ethyl-3-hydroxy-4-pyrone; Ethyl-3-hydroxy-4-pyrone
Recommended Uses: Food flavoring agent, fragrance, solvent additive
Supplier Information: Manufacturer and contact details available on certificate of analysis and procurement documents
Emergency Contact Number: Listed on emergency response sheet issued with shipment
Product Code: Available from procurement documentation
Formula: C7H8O3
Molecular Weight: 140.14 g/mol
Classification: Not classified as hazardous under GHS criteria for most jurisdictions
Label Elements: No pictogram required. Not subject to signal word or hazard statement in majority of uses.
Potential Hazards: May cause mild irritation upon contact with eyes or skin; vapor or dust inhalation may irritate respiratory tract; ingestion considered low toxicity for typical dietary levels
Precautionary Statements: Avoid inhalation of dust, minimize contact with skin and eyes, wash hands thoroughly after handling strong concentrations
Emergency Overview: White crystalline powder, sweet/caramel-like fragrance; not considered highly flammable or acutely hazardous
Chemical Name: 2-Ethyl-3-hydroxy-4-pyrone
Chemical Family: Pyrone
Purity: 98–100%
Impurities: Trace byproducts less than 1%, no hazardous contaminants above regulatory thresholds
Additives: None
Form: Solid, crystalline
Eye Contact: Rinse eyes with plenty of water for several minutes, remove contact lenses, seek medical attention if discomfort persists
Skin Contact: Wash area with soap and plenty of water, remove contaminated clothing, seek medical advice for irritation
Inhalation: Move person to fresh air, assist breathing if symptoms develop, consult physician if necessary
Ingestion: Rinse mouth, drink water, seek medical attention if large amounts swallowed or symptoms occur
Acute Symptoms: Mild eye, skin, or respiratory discomfort; serious reactions rare
Notes to Physician: Symptomatic treatment, no specific antidote known
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Media: Strong water jets can scatter product; avoid direct high-pressure streams
Specific Hazards: May produce carbon oxides and irritating fumes if burned
Protective Equipment: Firefighters need self-contained breathing apparatus and protective clothing
Additional Information: Reliable data shows this product does not easily ignite, low fire propagation risk in solid state
Personal Precautions: Prevent contact with skin and eyes, avoid breathing dust, ensure adequate ventilation
Emergency Procedures: Contain spill, minimize dust, isolate area if necessary
Cleanup Procedures: Sweep up cautiously, collect in suitable container for disposal, wash affected area with water
Environmental Precautions: Prevent bulk material from entering soil, waterways, or drains due to potential for mild aquatic impact at large quantities
Reporting: Record incidents as per workplace safety protocol, notify supervisor
Handling: Minimize generation of airborne dust, avoid prolonged direct contact, use tools to handle bulk product
Storage Conditions: Store in original, tightly closed containers in a cool, dry, well-ventilated place
Incompatibilities: Strong oxidizing agents
Specific Requirements: Keep away from direct sunlight and sources of ignition, store away from incompatible chemicals
Recommended Packaging: High-density polyethylene or glass containers for long-term integrity
Occupational Exposure Limits: No established threshold limit value; minimize repeated exposure
Engineering Controls: Local ventilation, dust extraction in bulk processing
Personal Protective Equipment: Safety glasses or goggles, chemical-resistant gloves, lab coat or apron
Respiratory Protection: Dust mask or appropriate filter in high-dust conditions
Hygiene Measures: Wash hands before eating, avoid contact with mouth, nose, and eyes during handling
Environmental Controls: Prevent uncontrolled release, use closed systems for loading or mixing operations
Appearance: White to off-white crystalline powder
Odor: Sweet, caramel-like, fruity
Melting Point: 89–92°C (192–198°F)
Boiling Point: Decomposes before boiling
Solubility: Moderately soluble in water, soluble in alcohol and organic solvents
pH (1% solution): Approximately 5.5–7.0
Vapor Pressure: Negligible at room temperature
Flash Point: Not considered flammable at ambient conditions
Density: 1.23 g/cm3 at 20°C
Partition Coefficient (log Kow): 1.4
Evaporation Rate: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive in standard industrial and laboratory environments
Hazardous Reactions: No polymerization tendency or violent reaction expected
Conditions to Avoid: Exposure to strong oxidizers, excessive heat
Decomposition Products: Carbon monoxide, carbon dioxide, little risk of toxic fumes at ambient temperature
Incompatible Materials: Strong oxidizing agents, strong acids
Acute Toxicity: LD50 (oral, rat): Approximately 1,000 mg/kg; low acute toxicity for standard uses
Irritation: Mild eye and skin irritation reported at high concentrations; inhalation causes mild respiratory tract discomfort
Chronic Effects: No evidence of carcinogenicity or mutagenicity in animal studies
Sensitization: Not considered a skin sensitizer under standard exposure
Potential Effects: Prolonged direct exposure may cause temporary discomfort, no significant delayed toxicity known
Epidemiology: Extensive food usage data with no significant adverse population impacts
Ecotoxicity: Low toxicity to aquatic life at typical environmental concentrations; avoid direct discharge of large quantities
Persistence and Degradability: Readily biodegradable in soil and water by microbial action
Bioaccumulation: No significant accumulation expected due to moderate water solubility and degradation
Mobility: Mobile in water due to moderate solubility; unlikely to persist in environment
Other Adverse Effects: No evidence of long-term harm based on available field and laboratory data
Waste Treatment Methods: Dispose in accordance with local, regional, and national regulations; treat as non-hazardous chemical waste under common thresholds
Container Disposal: Rinse empty containers thoroughly, offer for recycling or disposal at approved facility
Precautions: Prevent release of bulk material into surface water, sewer or soil
Special Instructions: Follow lab, workplace, or facility disposal procedure; landfill or high-temperature incineration recommended for bulk quantities
UN Number: Not regulated as a dangerous good
Proper Shipping Name: Ethyl Maltol
Transport Hazard Class: None assigned, non-dangerous
Packing Group: Not applicable
Labeling Requirements: No specific hazard label needed for ground, air, or sea transportation
Marine Pollutant: Not listed as marine pollutant
Special Transport Precautions: Use strong, sealed containers to prevent accidental release during transit
Inventory Listings: Listed on TSCA (USA), EINECS (EU), AICS (Australia), DSL (Canada), ENCS (Japan)
Food Additive Status: Approved flavoring agent in Codex Alimentarius and by major regulatory authorities (e.g., FDA, EFSA)
Other Regulations: Not classified as hazardous for transport or workplace according to current OSHA, GHS, and CLP standards
SARA 302/304/311/312/313: Not subject to reporting under US SARA regulations
California Proposition 65: Not listed
Workplace Classification: No specific hazard controls required under standard occupational safety codes at regular concentrations
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
