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Date of Issue : Jan 2002 1. IDENTIFICATION
General Product Name : CORROSIVE LIQUID, ACIDIC, ORGANIC NOS (LACTIC ACID) Other Names : 2-HYDROXY PROPANOIC ACID, HYDROXY ALIPHATIC ACID LACTIC ACID ; FOOD ADDITIVE 270 UN No. : 3265 Dangerous Goods Class : 8 Subsidiary Risk : None Allocated Hazchem Code : 2X Pack Group : II EPG : 36 Poisons Schedule : N/A Uses : In dyeing baths, as mordant in printing woolen goods, solvent for water- insoluble dyes; reducing chromates in mordanting wool; manufacture cheese and confectionary; acidulant in beverages; for acidulating worts in brewing, removing Clostridium butyricum in manufacture of yeast; dehairing, plumping and decalcifying hides; solvent for cellulose formate; flux for soft solder.
1.1 Physical Description / Properties
Appearance : Clear, colourless to pale yellow syrupy liquid, odourless, hygroscopic. Formula : C3H6O3 Boiling Point : 121 deg C Melting Point : 17 deg C Vapour Pressure : 30 mm Hg (1 atmosphere) Specific Gravity : 1.21 (water = 1) Flash Point : N/A pH : N/A () 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
Evaporation rate (butyl acetate=1) : < 1 Solubility in water: completely soluble. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
May cause irritation to gastro-intestinal tract. Ingestion causes nausea or vomiting. Ingestion may cause tissue damage. Eye
Can be severely irritating to eyes. Will cause irritation to mucous membranes. Skin
May be mildly irritating to the skin. May cause eczema. Inhaled
Avoid breathing vapour/mist/gas. Inhalation of vapour or mist may irritate the respiratory tract. May cause coughing. 2.2 Health Effects - Chronic
Prolonged contact with the product may cause burns.
2.3 First Aid
Swallowed
If poisoning occurs, contact a doctor or . DO NOT induce vomiting. Give 1 - 3 cups of water or milk to drink.
Eye
Immediately rinse eyes thoroughly, including under eyelids, with running water for at least 15 minutes. Seek medical attention if effects persist.
Skin
Remove contaminated clothing and wash the affected area with water. If affects persist after first aid treatment, seek medical advice.
Inhaled
Seek medical advice immediately. Remove from the source of vapour, remove to open space or fresh air. Restore and/or support breathing as required.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Gastric lavage with lime water if swallowed, followed by demulcents.
2.6 Toxicity Data
Oral LD50 = > 3730 mg/kg (rabbit) Dermal LD50 = > 7940 mg/kg (rabbit) (based on 88% lactic acid) Rabbit, eye irritation = 750 mg - severely irritating Rabbit, skin irritation = 500 mg/24hrs - severely irritating. Not listed as a carcinogen by NTP, IARC or OSHA.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
An exposure standard has not been established for this material by Worksafe .
3.2 Engineering Controls
Ensure adequate ventilation system.
3.3 Personal Protection
Wear a face shield and/or protective goggles, rubber gloves and other general industrial clothing to minimise exposure. Avoid contact with the skin. DO NOT breathe vapour/gas/mist/fumes. Wash hands and face thoroughly after handling material and before work breaks, eating, drinking, smoking and using toilet facilities. Use a NIOSH approved acid vapour respirator.
3.4 Flammability
Non flammable SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool dry place away from heat. Keep containers tightly closed when not in use. Protect containers from physical damage. Store away from nitric acid, hydrofluoric acid, heat or other ignition sources. Do not get on skin, eyes or clothing. Avoid breathing vapours. Wash hands thoroughly after handling. Do not mix other acid wastes.
4.2 Packaging / Labelling UN No. 3265 Class 8 Sub Risk None Allocated Hazchem Code 2X Pack Group II EPG No. 36 Shipping Name CORROSIVE LIQUID, ACIDIC, ORGANIC NOS (LACTIC ACID) Hazard IRRITANT
Risk Phrases R36/37/38 Irritating to eyes, respiratory system and skin.
Safety Phrases S24/25 Avoid contact with skin and eyes.
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing. Prevent concentrated material from entering drains and sewers.
Confine spills by dyking. Flush into drains with copious amounts of water after neutralisation. Remove with liquid binding material (eg, sand, sawdust or diatomaceous earth). Cover spillage with solid sodium bicarbonate or a soda ash/calcium hydroxide mixture (50:50). Work slowly into a slurry.
Disposal
Flush into drains with copious amounts of water after neutralisation.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
The residue may burn in the presence of a strong ignition source after the water has evaporated. The product emits acrid fumes and smoke when heated to decomposition, and also releases carbon dioxide and water. Strong reaction with oxidising agents. Forms salts with alkalis. DO NOT mix with acid wastes until compatibility is established.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use water, carbon dioxide, foam, or dry powder type extinguishers. Use water spray to cool fire exposed containers. 5 OTHER INFORMATION
Other Information
No data available
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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