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Date of Issue : Mar 2002 1. IDENTIFICATION
General Product Name : MALIC ACID Other Names : DL MALIC ACID ; HYDROXYSUCCINIC ACID APPLE ACID UN No. : N/A Dangerous Goods Class : None Allocated Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : N/A Uses : Manufacture of various esters and salts, wine manufacture, chelating agent, food acidulant, flavouring.
1.1 Physical Description / Properties
Appearance : White free-flowing, odourless crystals. Formula : C4H6O5 Boiling Point : Dec deg C Melting Point : 130 deg C Vapour Pressure : N/A Specific Gravity : 1.601 (water = 1) Flash Point : Test Unknown 203 pH : 2.3 (10.00 g/l) Solubility in water : Solub g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : N/A Upper Explosion Limit : N/A 1.2 Other Properties
Decomposes above 150 deg C Solubility in water = 0.58 g/cm3 @ 20 deg C 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Eye
Malic acid dust and aqueous solutions may cause lachrymation (flow of tears) and irritation to the eyes. Skin
Malic acid dust and aqueous solutions may irritate the skin. Inhaled
Malic acid dust and aqueous solutions may irritate mucous membranes. 2.2 Health Effects - Chronic
No data available
2.3 First Aid
Swallowed
If vomiting occurs naturally, have victim lean forward to reduce the risk of aspiration. Seek medical attention.
Eye
For eye contact, immediately flush eyes with running water for at least 15 minutes. Hold eyelids apart to ensure rinsing of the entire surface of the eyes and lids with water. Seek medical attention.
Skin
Wash affected areas with plenty of water, and soap if available, for several minutes. Remove and clean contaminated clothing and shoes. Seek medical attention ir irritation develops or persists.
Inhaled
Remove from area to fresh air. Seek medical attention if breathing becomes difficult. If necessary start artificial respiration.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
Oral LD50 = > 3200 mg/kg (rat)
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
An exposure standard has not been established for this product, however Worksafe recommends the following for nuisance dusts : 10 mg/m3.
3.2 Engineering Controls
Ensure adequate ventilation to maintain exposure levels below standards.
3.3 Personal Protection
Respiratory protection - wear dust filter mask when handling. Skin protection - wear PVC or other plastic material gloves. Eye protection - wear eye/face protection. Other : wear other impervious protective clothing to minimise exposure. Avoid contact with eyes, skin and clothing. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking and using toilet facilities.
3.4 Flammability
Product stable under normal conditions. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool, dry well-ventilated place. Keep container sealed to avoid contamination and spillage. Take precautionary measures against static discharges.
4.2 Packaging / Labelling UN No. N/A Class None Allocated Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name MALIC ACID Hazard IRRITANT
Risk Phrases R36/38 Irritating to eyes and skin.
Safety Phrases S22 Do not breathe dust. S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
4.3 Spills and Disposal
Spills
Clean up personnel should wear protective clothing and breathing apparatus if dust environment exists. Avoid discharge to drains, sewers and watercourses. Inform competent authorities in case of leakage and contamination of waters, soil or drains.
Carefully shovel spills (avoid generating dusts) into appropriate containers and hold for disposal. Inform relevant authorities if product enters waters, soil or drains.
Disposal
The organic ingredients may be incinerated in a installation approved by the competent authorities. Must be incinerated in suitable incineration plant authorised by the competent authorities. Dispose of in accordance with all federal, state and local laws and regulations.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Incompatible with strong oxidants, strong bases, alkali metals, amines and carbonates, reducing agents and heat. Decomposition products include fumes of carbon monoxide and carbon dioxide. Maleic acid or maleic anhydride may be formed as decomposition products. Dangerous polymerisation will not occur. Take precautionary measures against static discharge.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use foam, powders, carbon dioxide, water spray or Halon type extinguishers. Cool fire-exposed containers with water spray. 5 OTHER INFORMATION
Other Information
Utilise the product according to good working instruction to disperse the product in the environment. Stability in water - Abiotic degradation hydrolytically stable Biodegradability - 100%, readily biodegradable. Testing period : 30d Method : OECD 301 D Bioaccumulation - Not bioaccumulative
5.1 Contact Points
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The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
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