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West Ujimqin Banner, Xilingol League, Inner Mongolia, China
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Product Name: Malic Acid
Chemical Formula: C4H6O5
Synonyms: Hydroxybutanedioic acid, DL-Malic Acid, Apple acid
CAS Number: 6915-15-7
Relevant Uses: Acidulant in food and beverages, flavor enhancer, pharmaceuticals
Supplier: Manufacturer’s contact details on container label
Emergency Phone: Local Poison Control or Emergency response number on label
Classification: Eye Irritant (Category 2A), Skin Irritant (Category 2)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. Causes skin irritation. May cause respiratory irritation if dust inhaled.
Pictograms: Exclamation mark
Precautionary Statements: Avoid contact with eyes, skin. Do not breathe dust. Use in a ventilated area
Chemical Name: Malic Acid
Common Name: DL-Malic Acid
Concentration: >99% by weight
Impurities: Trace organic acids <1%
Other Ingredients: None significant
Inhalation: Move person to fresh air. Support breathing, give oxygen if breathing is difficult. Call a doctor if symptoms persist
Skin Contact: Remove contaminated clothing. Rinse skin with plenty of water for at least 15 minutes. Seek medical attention for irritation
Eye Contact: Rinse immediately with plenty of water for 15 minutes, lifting eyelids. Remove contact lenses if present. Medical attention if irritation develops
Ingestion: Rinse mouth with water. Do not induce vomiting unless instructed by medical personnel. Give water to dilute if victim is conscious. Get medical aid
Most Important Symptoms and Effects: Skin or eye redness, irritation, coughing from dust exposure; inflammation and discomfort possible
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: Strong water jet may spread product
Specific Hazards: Product decomposes at high temperatures to release acrid smoke, carbon oxides
Special Protective Equipment: Firefighters wear self-contained breathing apparatus and protective clothing
Advice for Firefighters: Prevent water runoff from entering drains. Cool containers with water if exposed to fire. Stay upwind
Personal Precautions: Use personal protective equipment. Avoid dust formation or inhalation. Keep unprotected people away
Environmental Precautions: Prevent spill from entering waterways, drains, or soil
Methods for Cleaning Up: Sweep or shovel into suitable containers. Avoid raising dust. Ventilate the area. Wash spill site with water after pickup. Dispose of according to regulations
Handling: Use in areas with adequate ventilation. Avoid breathing dust or vapor. Prevent contact with skin, eyes, and clothing. No eating, drinking, or smoking where product is handled
Storage: Store in tightly sealed container. Keep in cool, dry, well-ventilated area away from strong oxidizers, moisture, and direct sunlight. Keep out of reach of children
Engineering Controls: Local exhaust ventilation or general room ventilation. Eye wash stations and safety showers in area
Personal Protection: Chemical-resistant gloves, safety goggles, lab coat or protective clothing. Dust mask or respirator if dust levels high
Occupational Exposure Limits: Not established for malic acid, keep dust levels as low as possible
Hygiene Measures: Wash hands after use, remove contaminated clothing
Appearance: White crystalline powder or granules
Odor: Slight, characteristic
Odor Threshold: Not available
pH: ~2.0 (1% solution)
Melting Point: ~130 °C
Boiling Point: Decomposes before boiling
Flash Point: Not applicable
Evaporation Rate: Not applicable
Flammability: Not flammable
Vapor Pressure: Negligible
Solubility: Easily soluble in water
Partition Coefficient (log Kow): -1.3
Auto-ignition Temperature: Not applicable
Decomposition Temperature: >130 °C
Viscosity: Not applicable
Density: ~1.6 g/cm³
Chemical Stability: Stable under normal conditions and temperature
Conditions to Avoid: Heat, moisture, incompatibility with oxidizers or strong bases
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, organic vapors
Possibility of Hazardous Reactions: No dangerous reactions known under normal use
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): 1600 mg/kg. Inhalation not expected except as dust irritant
Skin Corrosion/Irritation: Causes skin irritation.
Serious Eye Damage/Irritation: Causes serious eye irritation.
Respiratory Irritation: May irritate respiratory tract if dust inhaled
Chronic Effects: Not classified as carcinogenic, mutagenic, or reproductive toxicant
Sensitization: Not expected
Ecotoxicity: Low risk to aquatic life at normal concentrations.
Aquatic Toxicity: LC50 Fish >100 mg/L (estimated)
Persistence and Degradability: Readily biodegradable. Breaks down to natural components
Bioaccumulative Potential: Not expected to bioaccumulate (log Kow -1.3)
Mobility in Soil: High solubility, could leach into groundwater if large spills occur
Other Effects: No known significant environmental hazards
Waste Disposal: Dispose waste in accordance with local, regional, and national regulations. Avoid release to environment
Unused Product: Reuse or recycle where possible. If not, treat as chemical waste
Contaminated Packaging: Empty containers may retain residue; dispose or recycle labels and containers safely
UN Number: None assigned for malic acid
Proper Shipping Name: Not classified as dangerous for transport by road, rail, air, sea
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Marine Pollutant: No
Other Information: Prevent package rupture or excessive dust during shipping
US (OSHA): Not classified as hazardous chemical
TSCA: Listed
EU (REACH): Registered
GHS Label Elements: Includes warning for irritation
Other: Safe for use in food under appropriate conditions and concentrations by regulatory agencies
Other Regulations: Check national/local requirements for food use or occupational safety
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
