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Product Name: Malic Acid
Chemical Name: Hydroxybutanedioic acid
Common Synonyms: DL-Malic Acid, 2-Hydroxybutanedioic acid
Chemical Formula: C4H6O5
Molecular Weight: 134.09 g/mol
Recommended Use: Food additive, industrial chemical, pH control agent
Supplier Details: Contact information for manufacturer or distributor
Emergency Contact: Local poisoning center, supplier emergency number
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2)
Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. Causes skin irritation.
Precautionary Statements: Avoid contact with eyes and skin. Wear protective gear. If symptoms occur, seek medical attention.
Potential Health Effects: Eye, skin, and respiratory tract irritation, potential gastrointestinal disturbances if ingested in large amounts
Chemical Name: Malic Acid
CAS Number: 6915-15-7
EC Number: 210-514-9
Purity: Typically >99%
Hazard Components: Not applicable; single ingredient substance
Contact with Eyes: Rinse cautiously with water for several minutes. Remove contact lenses, continue rinsing. Immediate medical attention if irritation persists.
Contact with Skin: Remove contaminated clothing. Rinse skin with plenty of water. Get medical advice if irritation continues.
Inhalation: Move inhaled person to fresh air. Keep at rest. Call for medical help if breathing becomes difficult.
Ingestion: Rinse mouth with water. Drink water to dilute. Never give anything by mouth to an unconscious person. Seek medical advice if feeling unwell.
Important Symptoms and Effects: Redness, irritation, burning sensation
Immediate Medical Attention and Special Treatment: Symptomatic treatment as required
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: High pressure water jets
Specific Hazards: Decomposition may produce carbon oxides
Protective Equipment: Firefighters use self-contained breathing apparatus and protective suit
Advice for Firefighters: Move containers from fire area if safe. Dump contaminated fire water according to regulations
Personal Precautions: Wear gloves, eye protection, mask. Avoid breathing dust.
Environmental Precautions: Prevent product from entering drains, surface or groundwater.
Methods for Cleanup: Sweep up and place in appropriate container for disposal. Wash spill area with water. Avoid creating dusty conditions.
Reference to Other Sections: See Section 8 for personal protection, Section 13 for waste disposal
Precautions for Safe Handling: Minimize dust generation. Avoid contact with skin, eyes, and clothing. Do not eat or drink when using.
Conditions for Safe Storage: Store in cool, dry, well-ventilated area. Keep container tightly closed. Store away from incompatible materials like oxidizers and bases.
Incompatible Materials: Strong bases, oxidizing agents
Exposure Limits: No specific occupational exposure limits established.
Engineering Controls: Use local exhaust, ventilation, or enclosure to minimize exposure.
Personal Protection: Safety goggles, impervious gloves, dust mask, lab coat. Wash hands after handling. Remove clothing if contaminated.
Environmental Protection: Do not release large quantities into the environment.
Appearance: White or nearly white crystalline powder
Odor: Almost odorless or slight acidic odor
pH: 1.9 (1% solution)
Melting Point: 129–132°C
Boiling Point: Decomposes before boiling
Flash Point: Not flammable
Solubility: Freely soluble in water, alcohol
Vapor Pressure: Negligible at room temperature
Density: 1.6 g/cm³
Partition Coefficient (n-octanol/water): -1.26
Other Data: Forms hygroscopic lumps if exposed to moisture
Chemical Stability: Stable under recommended conditions.
Possibility of Hazardous Reactions: May react with bases and oxidizers.
Conditions to Avoid: Moisture, excess heat
Materials to Avoid: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide under fire conditions
Acute Toxicity: LD50 (oral, rat): 1600 mg/kg
Skin Corrosion/Irritation: Causes mild to moderate irritation
Eye Damage/Irritation: Causes serious eye irritation
Respiratory/Skin Sensitization: Not a known sensitizer
Chronic Exposure: No significant data for chronic toxicity
Carcinogenicity: Not listed as carcinogenic
Mutagenicity: No evidence found
Other Effects: Prolonged exposure may increase risk of irritation
Aquatic Toxicity: Low acute toxicity to aquatic life (LC50 for fish >100 mg/L)
Persistence and Degradability: Readily biodegradable
Bioaccumulative Potential: Does not bioaccumulate
Mobility in Soil: High water solubility, potential for mobility
Other Adverse Effects: Large releases may lower local pH; avoid release to natural waterways
Waste Treatment Methods: Dispose in accordance with local regulations.
Contaminated Packaging: Rinse empty containers. Dispose of following authorities’ guidelines.
Special Precautions: Do not discharge into drains or environment. Seek advice from licensed waste disposal service for large quantities
UN Number: Not classified as dangerous for transport.
Transport Hazard Class: None
Packing Group: None
Proper Shipping Name: Malic Acid
Environmental Hazards: None specified
Special Precautions for User: Avoid contact with strong oxidizers during transport. Prevent moisture exposure
Inventory Listings: Listed on TSCA, EINECS, AICS, DSL, and other major chemical inventories
Labeling Requirements: Complies with GHS and local regulations
Other Regulations: Subject to Food Chemicals Codex and food safety guidelines where used in food processing
Workplace Safety: Refer to OSHA, WHMIS, and EU-REACH guidance as applicable
Restriction on Use: None for intended applications; see local limits for specific use cases
