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Date of Issue : Jun 2000 1. IDENTIFICATION
General Product Name : MAGNESIUM NITRATE Other Names : MAGNESIUM (II) NITRATE NITRIC ACID, MAGNESIUM SALT UN No. : 1474 Dangerous Goods Class : 5.1 Subsidiary Risk : None Allocated Hazchem Code : 1[Z] Pack Group : III EPG : 31 Poisons Schedule : N/A Uses : Pyrotechnics, concentrated nitric acid.
1.1 Physical Description / Properties
Appearance : White deliquescent crystals or flakes. Formula : Mg(NO3).6H2O Boiling Point : N/A deg C Melting Point : 89 deg C Vapour Pressure : N/A Specific Gravity : 1.46 (water = 1) Flash Point : N/A pH : 3.0-4.0 (5% soln) Solubility in water : Sol. 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
Formula weight: 256. Decomposition temperature: 300 deg C. Bulk density: 0.67 kg/l. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause methemoglobinemia, cyanosis, convulsions, and death. Excessive amounts of magnesium may cause central nervous system depression, respiratory paralysis, and cardiac arrest. Eye
May cause moderate eye irritation. Skin
May cause moderate skin irritation. Inhaled
Dust is irritating to the respiratory tract. May cause methemoplobinemia, cyanosis, convulsions, tachycardia, dyspnea, and death. May cause effects similar to those described for ingestion. 2.2 Health Effects - Chronic
Repeated exposures may case kidney damage and digestive tract abnormalities.
2.3 First Aid
Swallowed
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Eye
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting upper and lower lids. Get medical aid.
Skin
Immediately flush skin with plenty of soap and water for at least 15 minutes, while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Inhaled
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
First Aid Facilities
Ensure an eye bath and safety shower and available for use.
2.5 Advice to Doctor
Treat symptomatically based on individual reactions of patient and judgement of doctor. The use of calcium disodium EDTA as a chelating agent should be determined by qualified medical personnel.
2.6 Toxicity Data
Oral (rat) LD50: 5440 mg/kg. Not listed as a carcinogen by ACGIH, IARC, NIOSH, NTP, or OSHA.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
None established.
3.2 Engineering Controls
Ensure adequate ventilation to keep airbourne concentrations low.
3.3 Personal Protection
No respiratory protection is required where adequate ventilation exists. If airborne concentration is high, use an appropriate respirator or dust mask. Safety glasses with sideshields, overalls and gloves are recommended. Ensure a safety shower and eye bath are available and ready for use.
3.4 Flammability
Decomposes. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Keep away from oxidizing materials and reducing agents. Keep in a dry, cool and well ventilated place out of direct sunlight. Keep containers closed when not in use. Avoid heat. Do not store on wooden floors.
4.2 Packaging / Labelling UN No. 1474 Class 5.1 Sub Risk None Allocated Hazchem Code 1[Z] Pack Group III EPG No. 31 Shipping Name MAGNESIUM NITRATE Hazard IRRITANT OXIDIZING
Risk Phrases R36/37/38 Irritating to eyes, respiratory system and skin. R8 Contact with combustible material may cause fire.
Safety Phrases S15 Keep away from heat. S7 Keep container tightly closed. S17 Keep away from combustible material. S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 Wear suitable protective clothing.
4.3 Spills and Disposal
Spills
Clean up personnel should wear full protective clothing, including respiratory protection.
With a clean shovel, carefully place material into clean, dry containers and cover. Remove from the spill area. Flush spill area with plenty of water.
Disposal
Dispose according to all local, state and federal regulations.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Practically all nitrates are powerful oxidizing agents. Move containers from fire area if it can be done without risk. Use water to keep fire exposed containers cool. Avoid contact with organic matter and oxidizable materials. The material is insensitive to impact, but may explode when exposed to excessive heat or flame or by chemical reaction with oxidizable material. Closed containers exposed to heat may explode. Products of decomposition may include nitrogen oxides, and oxides of magnesium.
Extinguishing Media
Firefighters should wear full protective clothing including self contained breathing apparatus. Use water as extinguishing media, do not use carbon dioxide or dry chemical media. 5 OTHER INFORMATION
Other Information
No information 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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