MATERIAL SAFETY DATA SHEET
POTASSIUM NITRATE
Company: BEST INC., LIMITED.
Add.: Rooms 1318-20, 13/F Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong
Tel: +852-30774337 Fax:+852-30774338
1. IDENTIFICATION
General
Product Name : POTASSIUM NITRATE
Other Names : SALTPETRE; NITER; NITRE
UN No. : 1486
Dangerous Goods Class : 5.1
Subsidiary Risk : None Allocated
Hazchem Code : 1[Z]
Pack Group : III
EPG : 31
Poisons Schedule : N/A
Uses :
Pyrotechnics, explosives, matches, specialty fertiliser, reagent, to modify burning properties of tobacco, glass manufacture, tempering steel, curing foods, oxidiser in solid rocket propellants.
Company: BEST INC., LIMITED.
Add.: Rooms 1318-20, 13/F Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon,
Hong Kong
Tel: +852-30774337 Fax: +852-30774338
1.1 Physical Description / Properties
Appearance : White crystals or powder free from odour.
Formula : KNO3
Boiling Point : 750 deg C
Melting Point : 333 deg C
Vapour Pressure : < 1 mm Hg (1 atmosphere)
Specific Gravity : 2.11 (water = 1)
Flash Point : Closed Cup 150
pH : 9.5-10.5 (10% sol H20)
Solubility in water : 320 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 benzene, acetone, hexane. Thermally stable up to 400 deg C. Molecular weight: 101. Bulk density: 1.1 kg/l. Specific gravity: 2.1 g/cc. Boiling point: decomposes.
1.3 Ingredients
|
Chemical Entity |
CAS No. |
Proportions (%) |
|
POTASSIUM NITRATE |
[ 7757-79-1] |
>97.5 |
|
|
|
|
|
|
|
|
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute
Swallowed
Low toxicity. Ingestion of large quantities may cause nitrate poisoning. Small amounts may cause weakness, depression, headache, mental impairment. Large amounts may cause dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, convulsions and collapse.
Eye
May cause mild irritation and burn.
Skin
Normally not hazardous.
Inhaled
Exposure to dust is slightly irritative to the respiratory tract (including mucous membranes, throat and lungs). Exposure to fumes is slightly toxic.
2.2 Health Effects - Chronic
Carcinogenicity - NPT, IARC, OSHA: Negaitve.
2.3 First Aid
Swallowed
Give large quanitities of water and induce vomiting. Seek medical attention.
Eye
Flush immediately and continuously with water for at least 30 minutes. Seek medical consultation if irritation persists.
Skin
Promptly wash skin with plenty of water and soap for at least 15 minutes while removing contaminated clothing. Wash clothing before reuse.
Inhaled
Remove to fresh air and if effects occur consult a physician.
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 individual reactions of patient and judgement of doctor.
2.6 Toxicity Data
No information available.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
None established.
3.2 Engineering Controls
Use in a naturally well-ventilated area to minimise exposure levels.
3.3 Personal Protection
Use protective gloves, safety glasses with side shields and body covering clothing including long sleeves. Shower after handling.
3.4 Flammability
Not flammable.
SAFE HANDLING INFORMATION
4.1 Storage / Transport
Keep away from organic solvents, carbon, sulphur and other reducing compounds. Corrosive to metals. Stable under normal use and storage. Store in tightly closed containers in a dry cool place.
4.2 Packaging / Labelling
UN No. 1486
Class 5.1
Sub Risk None Allocated
Hazchem Code 1[Z]
Pack Group III
EPG No. 31
Shipping Name POTASSIUM NITRATE
Hazard
Risk Phrases
R8 Contact with combustible material may cause fire.
Safety Phrases
S16 Keep away from sources of ignition.
S41 In case of fire and/or explosion, do not breathe fumes.
4.3 Spills and Disposal
Spills
Clean up personnel should wear suitable protective clothing. Contain spilled material. Do not allow to enter streams and water supplies.
Pick up material and store in plastic bags away from combustibles for later disposal.
Disposal
Dispose of in non crop area away from water supplies or in an approved landfill in accordance with all local, state and federal regulations.
4.4 FIRE AND EXPLOSION HAZARD
Fire / Explosion
Not flammable. Hazardous decomposition products include oxides of nitrogen. Potassium nitrate is an oxidiser and therevfore increases the intensity of any fire and the possibility of an explosion.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use equipment/media appropriate to surrounding fire conditions.
5 OTHER INFORMATION
Other Information
Nitrates are a source of oxygen for bacteria in water and water treatment plants - max 50 mg NO3/L.
