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Product Name: Maltolactic Acid
Chemical Formula: C7H8O4
Synonyms: 2-Hydroxy-2-(3-hydroxy-4-oxocyclohexa-1,5-dien-1-yl)acetic acid
Manufacturer: Name and address available upon request from distributor
Recommended Use: Used as flavoring agent in food, aroma compound in fragrances, acidity regulator in various industries
Contact Information (Emergency and Information): 24-hour emergency line, local poison control, and company technical support
CAS Number: 118-71-8
Relevant Identified Uses: Research, manufacturing, and food production sectors
Restrictions on Use: Not intended for consumer use without proper training or PPE
Hazard Classification: Eye irritation – Category 2A, Skin irritation – Category 2, Target organ toxicity with prolonged or repeated exposure
Signal Word: Warning
Hazard Statements: Causes eye irritation, may cause respiratory irritation if inhaled, frequent or extended contact leads to mild skin irritation
Pictograms: Exclamation mark symbol
Precautionary Statements: Wear protective eyewear and gloves, use with adequate ventilation, avoid prolonged exposure
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Target Organs: Respiratory system, mucous membranes, skin and eyes
Other Hazards: Dust may form explosive mixture with air in confined areas or in large amounts
Symptoms: Redness or itching in eyes, mild headaches, coughing in poorly ventilated spaces, local irritation on skin
Chemical Name: Maltolactic Acid
Concentration: ≥98% by weight
CAS Number: 118-71-8
Impurities: Trace levels of water and organic solvents, less than 1% combined
Additives: None declared by reliable manufacturers
Stabilizers: Not intentionally added; stability based on handling conditions
Molecular Weight: 156.14 g/mol
Eye Contact: Rinse gently with surplus water for at least 15 minutes, lift eyelids occasionally, seek medical attention if irritation continues
Inhalation: Move person to fresh air, encourage slow, relaxed breathing, see a physician if symptoms persist
Ingestion: Rinse mouth with plenty of water, do not induce vomiting, drink small amounts of water if conscious and alert, medical advice recommended
Skin Contact: Remove contaminated clothing and thoroughly wash skin with soap and water, watch for signs of irritation, seek help if discomfort builds
Notes for Physicians: Provide supportive care, treat symptoms, monitor for allergies or respiratory distress, no specific antidote
Most Important Symptoms: Persistent irritation, nausea after a large dose, breathing discomfort in dust clouds
Suitable Extinguishing Media: Dry chemical, CO2, alcohol-resistant foam, water spray for large fires
Unsuitable Extinguishing Media: Do not use high-pressure water jet directly on product
Specific Hazards from Combustion: Produces irritating or toxic gases such as carbon monoxide and carbon dioxide, potential explosion hazard from suspended dust
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear to guard against fumes
Fire-Fighter Advice: Cool containers with water spray to prevent heat rupture, approach from upwind, avoid run-off contaminated water
Special Precautions: Evacuate nonessential personnel, avoid breathing smoke, consider shutting off ventilation fans in affected area
Personal Precautions: Wear dust mask, goggles, protective clothing and gloves, eliminate ignition sources, keep away from open flames
Environmental Precautions: Prevent spill from entering drains, watercourses, or soil, notify authorities if product has caused environmental contamination
Methods for Containment: Surround spill with inert absorbent (vermiculite, sand), sweep up using non-sparking tools, avoid dust generation
Clean-Up Methods: Collect in labeled containers for disposal, ventilate area, wash spill site after material pickup
Recommended Ventilation: Use fume hood or exhaust fans
Other Precautionary Measures: Limit access until clean-up is completed to minimize exposure, wash skin and hands thoroughly after handling
Handling: Use with adequate ventilation, avoid inhalation of dust, wear proper personal protection, avoid contamination of surfaces, wash hands after use, do not eat or drink while handling
Storage Conditions: Store in tightly closed containers, keep in cool, dry, and well-ventilated space away from oxidizers and sources of ignition, avoid moisture contact
Incompatible Materials: Strong oxidizing agents, strong bases
Safe Packaging: Use containers made from glass, polyethylene, or stainless steel, clearly labeled with hazard information
Other Storage Info: Keep away from direct sunlight and sources of heat, secure against physical damage or accidental tipping
Occupational Exposure Limits: No established limits available for this compound; use general nuisance dust (10 mg/m³) as guideline
Engineering Controls: Local exhaust ventilation, laboratory hoods, explosion-proof equipment for dust handling
Respiratory Protection: Use NIOSH-approved particulate respirator in dust-generating operations
Eye Protection: Safety goggles or face shield when splashing likely
Hand Protection: Butyl rubber or nitrile gloves recommended
Skin Protection: Protective laboratory coat or coveralls
General Hygiene Measures: Wash hands after handling, avoid touching face during work, change contaminated clothing promptly
Environmental Controls: Prevent dust emissions, use closed systems when possible
Appearance: White crystalline powder
Odor: Sweet, caramel-like scent
Odor Threshold: Noticeable at low ppm
pH: Acidic, ranges 2.5–3.5 in solution
Melting Point: 161–164°C
Boiling Point: Not available (decomposes before boiling)
Flash Point: No data, non-volatile solid
Evaporation Rate: Negligible at room temperature
Flammability: Fine dust presents explosion risk
Vapor Pressure: Not measurable at standard conditions
Solubility: Freely soluble in water, partially in ethanol
Vapor Density: Not applicable
Relative Density: About 1.3 g/cm³
Partition Coefficient: Log Kow not measured
Auto-Ignition Temperature: Not established
Decomposition Temperature: Above 200°C
Viscosity: Not available
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Not expected to pose hazard from reactivity alone
Hazardous Reactions: Vigorous reaction with strong oxidizing agents, fire risk if fine powder dispersed in air
Conditions to Avoid: Exposure to high heat, moisture ingress, ignition sources, build-up of airborne dust
Incompatible Materials: Strong acids or bases, oxidizers, chlorinating agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide and possibly irritating organic vapors when heated or burned
Acute Toxicity: LD50 (oral, rat): Greater than 2000 mg/kg, low toxicity by ingestion
Skin Corrosion/Irritation: Mild irritation possible with extended contact
Eye Damage/Irritation: Moderate redness or transient discomfort likely
Respiratory Sensitization: Inhalation of powder may trigger coughing and sneezing
Skin Sensitization: Not expected based on available data
Germ Cell Mutagenicity: Evidence does not suggest damage to genetic material
Carcinogenicity: Not listed with NTP, IARC, OSHA
Reproductive Toxicity: No adverse effects observed at normal exposure levels
STOT - Single Exposure: Respiratory system irritation at high concentrations, reversible
STOT - Repeated Exposure: No significant organ damage expected on repeated low-dose exposure
Aspiration Hazard: Not anticipated
Symptoms of Overexposure: Nausea, mild headache, irritation in sensitive individuals
Delayed and Immediate Effects: None known in occupational settings
Toxicity: Low risk to aquatic life at expected concentrations, estimated EC50 for daphnia >100 mg/L
Persistence and Degradability: Rapidly biodegradable by soil and water microorganisms
Bioaccumulative Potential: Negligible, low partitioning to fats or aquatic organisms
Mobility in Soil: Medium mobility dependent on pH, may leach into groundwater in unlikely event of a major spill
Other Adverse Effects: None significant revealed by field testing or reports
Environmental Precautions: Dilute spills using plenty of water, report large accidental releases to environmental authorities if contamination suspected
Waste Treatment Methods: Dispose in accordance with local, regional, and national regulations,
Recommended Disposal: Incinerate in approved facility or landfill in tightly sealed containers, not to be poured down drains
Contaminated Packaging: Triple rinse, dispose as hazardous waste or recycle if regulations permit
Handling Precautions: Wear appropriate PPE during cleanup and disposal
Disposal Guidance: Provide full chemical identity to waste handlers, keep chemical and rinsate packages separate from general waste streams
UN Number: Not classified as dangerous for transport under bulk shipping rules
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Non-hazardous, standard packaging recommended
Packing Group: Not assigned
Environmental Hazards: Avoid uncontrolled release to water during transit
Transport Precautions: Protect from physical damage, keep tightly sealed during shipment, ensure proper labeling
Special Transport Notes: Do not transport with incompatible substances such as acids or oxidizers, use secondary containment if risk of leakage exists
Inventory Status: Registered in chemical inventories in United States (TSCA), EU (REACH) and several Asian countries
OSHA Status: Not listed as particularly hazardous by OSHA
WHMIS Classification: Non-controlled
Right-to-Know Regulatory Compliance: Listed under applicable chemical information laws in many regions
EU Regulation (EC) No 1907/2006: Substance meets REACH requirements for unrestricted use under recommended handling practices
Food Additive Status: Permitted as flavoring/agricultural adjuvant for food industry with concentration restrictions, not permitted for direct consumer sale without analysis and proper labeling
SARA Title III: Does not contain constituents at reportable thresholds
California Proposition 65: Not known to contain substances regulated
Other Regulatory Information: Employers must comply with training and notification requirements if present in workplace at significant concentrations, ensure safety data accessible
