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Date of Issue : Dec 1998 1. IDENTIFICATION
General Product Name : ZINC CHLORIDE, ANHYDROUS Other Names : ZINC CHLORIDE BUTTER OF ZINC; ZINC DICHLORIDE UN No. : 2331 Dangerous Goods Class : 8 Subsidiary Risk : None Allocated Hazchem Code : 2X Pack Group : III EPG : 37 Poisons Schedule : 6 Uses : Up to a 2% solution in deodorant and antiseptic preparations. With ammonium chloride as a flux for soldering. For fire-proofing and preserving wood. Etching metals and glass. In the galvanising of iron. As a dehydrating and condensing agent in organic synthesis. For vulcanising rubber.
1.1 Physical Description / Properties
Appearance : White to off-white coarse powder. Formula : ZnCl2 Boiling Point : 732 deg C Melting Point : 283 deg C Vapour Pressure : <0.75 mm Hg (1 atmosphere) Specific Gravity : 2.9 (water = 1) Flash Point : N/A pH : 1-2 (soln) Solubility in water : 4320 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
No data available 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Harmful if swallowed. Causes nausea, vomiting and purging pain. Eye
Very irritating and painful. Can cause conjunctivitis. Skin
Irritating and may cause ulceration, dermatitis and boils. Inhaled
Fumes can cause nausea, vomiting and chest pains. 2.2 Health Effects - Chronic
Prolonged or repeated skin contact may cause defatting and dermatitis.
2.3 First Aid
Swallowed
Rinse mouth, give plenty of water to drink. Transport to medical attention.
Eye
Wash out with plenty of water. Get urgent medical attention.
Skin
Wash off with water then soap and water. Launder contaminated clothing before reuse. If irritation occurs, seek medical attention.
Inhaled
Remove to fresh air. Give first aid if necessary. Obtain medical attention.
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 = 350 mg/kg (Rat) ; 350 mg/kg (Mouse) ; 200 mg/kg (Guinea pig) Dermal LD50 = not available Inhalation LC50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
Worksafe recommend the following exposure standards : Zinc Chloride (fume) : TWA 1 mg/m3 STEL 2 mg/m3
3.2 Engineering Controls
Ensure adequate ventilation to maintain the airborne concentrations below the recommended exposure standards, including the use of local and/or general exhaust ventilation.
3.3 Personal Protection
For fumes, wear a full face mask with cannister or with air supplied respirator. Wear PVC or rubber gloves, chemical goggles and PVC or rubber aprons and foot- wear. Wear other general industrial clothing to minimise exposure. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking and using toilet facilities.
3.4 Flammability
Material is non-flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Zinc chloride absorbs water from air very rapidly. Keep containers tightly closed at all times. Store in a cool, dry place. Zinc chloride is corrosive to mild steel and most metals.
4.2 Packaging / Labelling UN No. 2331 Class 8 Sub Risk None Allocated Hazchem Code 2X Pack Group III EPG No. 37 Shipping Name ZINC CHLORIDE, ANHYDROUS Hazard CORROSIVE
Risk Phrases R34 Causes burns.
Safety Phrases S7/8 Keep container tightly closed and dry. S28:ZICHLO After contact with skin, wash immediately with plenty of soap and water.
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing including breathing protection. Avoid generating dusty conditions.
Collect all solids and store for disposal. Wash away minor quantities with water. Can be absorbed in sand or earth.
Disposal
Dispose of in accordance with all Local, State and Federal regulations at an approved waste disposal facility.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Material is non-flammable and non-explosive. May cause oxidisable materials to burn/explode. Evolves toxic gases on deocmposition. Hazardous polymerisation has not been reported.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. DO NOT get water inside containers. For small fires use dry chemical, carbon dioxide or water spray. For large fires use dry chemical, carbon dioxide, alcohol-resistant foam or water spray extinguishers. 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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