Product Name: Malic Acid
Chemical Formula: C4H6O5
CAS Number: 6915-15-7
Synonyms: DL-Malic acid, hydroxybutanedioic acid
Manufacturing Origin: Biotechnological fermentation or synthetic production
Recommended Use: Food additive, beverage acidulant, flavoring agent, pH adjuster
Supplier Information: Name, address, and contact information of distributor or manufacturer
Emergency Contact: Phone number and 24-hour service details for chemical safety incidents
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation, causes skin irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid contact with eyes and skin, wash thoroughly after handling, wear protective gloves and eye protection, if in eyes rinse carefully and seek medical attention if irritation persists
Routes of Exposure: Skin, eye, ingestion, inhalation
Symptoms: Redness, itching, discomfort in eyes and on skin, possible stomach upset on ingestion
Chemical Ingredient: Malic Acid
Concentration: 99-100%
Impurities: Trace heavy metals and moisture may occur below regulatory threshold limits
Other Ingredients: Not applicable, single substance
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses, seek medical attention for persistent irritation
Skin Contact: Remove contaminated clothing, wash skin with soap and water, seek medical help if irritation develops
Inhalation: Remove to fresh air, maintain unobstructed breathing, rinse mouth with water, consult medical attention if symptoms develop
Ingestion: Rinse mouth, do not induce vomiting, give water to drink if conscious, seek medical advice for large quantities
Note to Physicians: Treat symptoms, provide supportive care as required
Suitable Extinguishing Media: Dry chemical, CO2, water spray, foam
Unsuitable Media: Direct water jets may spread burning material
Hazardous Combustion Products: Carbon oxides, irritant fumes
Protective Equipment: Self-contained breathing apparatus and full firefighting suit
Fire and Explosion Hazards: Dust may form combustible mixtures with air; avoid dust accumulation
Special Procedures: Move containers from fire area if safe to do so, prevent fire-extinguishing water from entering waterways
Personal Precautions: Evacuate unnecessary personnel, use personal protective equipment, avoid breathing dust, avoid contact with skin and eyes
Environmental Precautions: Prevent entry into drains, surface water, or soil
Cleanup Methods: Sweep up spilled material, place in suitable container for disposal, avoid raising dust, wash spill site thoroughly after removal
Disposal: Consult section on disposal considerations
Handling: Use in well-ventilated areas, avoid dust generation, wear recommended protective gear, handle with dry tools, do not eat or drink in work area
Storage Conditions: Store in tightly closed containers, keep in a cool, dry, well-ventilated space, keep away from incompatible substances like alkalies and oxidizing agents
Specific Design Considerations: Use bags or drums of inert material, secure against mechanical damage, label storage shelves clearly
Storage Temperature: Ambient temperature recommended; avoid heat and moisture exposure
Engineering Controls: Local exhaust ventilation, general room ventilation
Occupational Exposure Limits: No OSHA PEL or ACGIH TLV established for malic acid, treat nuisance dust as appropriate (OSHA Total Dust 15 mg/m3 TWA)
Respiratory Protection: Dust mask or respirator compliant with safety guidelines during high dust exposure
Eye Protection: Safety goggles with side protection or face shield
Skin Protection: Chemical-resistant gloves (nitrile, neoprene), lab coat or coveralls
Hygiene Measures: Wash hands before eating, drinking, or smoking, remove contaminated clothing and wash before reuse
Appearance: White crystalline powder
Odor: Practically odorless to faintly acidic
Melting Point: 100-130°C (depending on form)
Boiling Point: Decomposes before boiling
Flash Point: Not flammable under normal conditions
Solubility: Soluble in water (558 g/L at 25°C), slightly soluble in ethanol
pH: 2.2 (1% solution)
Molecular Weight: 134.09 g/mol
Density: 1.60 g/cm³
Vapor Pressure: Very low at room temperature
Evaporation Rate: Not applicable
Partition Coefficient (n-octanol/water): -1.26 (log Pow)
Decomposition Temperature: >130°C
Chemical Stability: Stable under recommended conditions, stable in dry and cool storage
Reactive Conditions: May react with strong alkalies, strong oxidizers, and bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating fumes
Polymerization: Will not occur under proper storage
Incompatible Materials: Alkalis, oxidizing agents, ammonia
Acute Toxicity: Oral LD50 (rat): >1600 mg/kg, considered low toxicity
Skin Irritation: May cause mild to moderate irritation on direct contact
Eye Irritation: Can cause redness, pain, watering, potential damage on prolonged contact
Inhalation: Dust may irritate respiratory passages
Long-Term Exposure: Repeated contact may aggravate existing skin conditions, no evidence of carcinogenicity, mutagenicity, or reproductive toxicity
Chronic Effects: Not considered sensitizing, no evidence of cumulative health hazards from workplace exposure under normal conditions
Aquatic Toxicity: LC50 (fish): 320 mg/L (96h), low acute toxicity
Persistence and Degradability: Readily biodegradable, does not bioaccumulate
Mobility in Soil: High mobility in water, no significant risk of persistence in environment
Bioaccumulation: Not expected to bioaccumulate
Ecological Risk: Harm to aquatic systems considered low under normal usage, avoid large releases to the environment
Waste Treatment Methods: Dispose in accordance with local, regional, and national regulations
Waste Characterization: Non-hazardous solid waste under normal use
Disposal Containers: Use sealed, labeled containers; keep away from incompatible materials during transport to disposal
Environmental Precautions: Do not flush into surface water or sanitary sewer
UN Number: Not regulated under UN, IMO, or IATA requirements
Proper Shipping Name: Malic Acid
Transport Hazard Class: Not classified as hazardous for transport
Packing Group: Not applicable
Special Precautions for User: Protect from weather and moisture, keep packaging intact
Environmental Hazards: No special handling for environmental protection during transport
US Federal Regulations: Not listed as a hazardous material under OSHA 29 CFR 1910.1200
SARA Title III: Not subject to reporting requirements under Sections 302, 304, 313
TSCA Inventory: Listed
EU Regulations: Not classified as dangerous under Regulation (EC) No. 1272/2008 (CLP)
Canadian WHMIS: Not controlled
Other Legislation: Compliant with food safety and packaging materials requirements where relevant, check individual country food regulations for uses and limitations
