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Date of Issue : SEP 1996 1. IDENTIFICATION
General Product Name : SODIUM NITRATE Other Names : CHILE SALT PETRE UN No. : 1498 Dangerous Goods Class : 51 Subsidiary Risk : None Allocated Hazchem Code : 1[T] Pack Group : III EPG : 5A1 Poisons Schedule : N/A Uses : Oxidizing agent, solid rocket propellants, fertilizer, flux, glass manufacture, pyrotechnics, reagent, refrigerant, matches, dynamites, black powders, manufacture of sodium salts and nitrates, dyes, pharamceuticals, anaphrodisiac.
1.1 Physical Description / Properties
Appearance : Colourless transparent crystals. Formula : NaNO2 Boiling Point : N/A deg C Melting Point : 301 deg C Vapour Pressure : N/A Specific Gravity : 2.26 (water = 1) Flash Point : Test Unknown pH : 7.0 (7g/L in water) Solubility in water : 919 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
Soluble in glycerol; slightly soluble in alcohol. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
May cause irritation to the gastro-intestinal tract. Ingestion causes pain and vomiting. Eye
May be mildly irritating to the eyes. May cause irritation to mucous membranes. Skin
May be mildly irritating to the skin. Inhaled
May cause irritation to the respiratory tract. 2.2 Health Effects - Chronic
2.3 First Aid
Swallowed
Seek medical advice immediately if swallowed. Give several glasses of water to drink and induce vomiting; repeat this until vomitus is clear.
Eye
Seek immediate medical advice. Immediately rinse eyes thoroughly, including under eyelids, with running water for at least 15 minutes.
Skin
Seek medical advice if skin is contaminated by large quantities of chemical. Immediately remove all contaminated clothing and footwear. Wash the skin thoroughly with soap and water.
Inhaled
Seek medical advice immediately. Remove from the source of vapour/dust/spray/ fumes to open space and 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
Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
Oral LD50 = 3440 mg/kg (Rat) Dermal LD50 = not available Inhalation LC50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
TWA : 10 mg/m3
3.2 Engineering Controls
Ensure adequate ventilation to maintain exposure levels below standards.
3.3 Personal Protection
Eyes : Eye protection should be used when splashing is possible. Wear safety glasses/goggles if dust is generated. Avoid contact with the eyes. Clothing : Wear suitable protective clothing. Gloves : Wear protective gloves when needed to avoid prolonged or repeated contact with the substance. Wear rubber gloves. Respiratory : Do not breathe vapour/dust/spray/fumes. Wear a close fitting gas mask. Other : Do not eat, drink or smoke until after washing. Wash thoroughly after handling. Contaminated clothes are to be laundered before re-use.
3.4 Flammability
Not flammable under conditions of use, but does promote combustion. Keep away from all sources of ignition. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a dry area and prevent dust cloud generation. Keep the container tightly closed. Store in a cool, well-ventilated, low fire risk area, away from sources of heat or ignition. Protect the container from physical damage. Keep away from combustible material.
4.2 Packaging / Labelling UN No. 1498 Class 51 Sun Risk None Allocated Hazchem Code 1[T] Pack Group III EPG No. 5A1 Shipping Name SODIUM NITRATE Hazard HARMFUL
Risk Phrases R8 Contact with combustible material may cause fire. R22 Harmful if swallowed.
Safety Phrases
4.3 Spills and Disposal
Spills
Shut off all possible sources of ignition. Ventilate the spillage area thoroughly. Personnel involved in clean-up require protection against vapour and dust.
Disposal
In accordance with Government Regulations for the disposal of special waste. Dispose of waste material via a licensed waste disposal contractor to a regulated land fill.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
If in contact with combustible and oxidizable substances can give violent combustion or explosion on ignition. Can decompose explosively at > 538oC. Drench with water during early stages of fire.
Extinguishing Media
Use water jet, water fog, fine water spray, foam or dry agent. Deluge with water. 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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