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Date of Issue : Jul 2000 1. IDENTIFICATION
General Product Name : MONOPOTASSIUM PHOSPHATE Other Names : MKP; POTASSIUM PHOSPHATE MONOBASIC UN No. : N/A Dangerous Goods Class : None Allocated Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : N/A Uses : In buffers for determination of pH.
1.1 Physical Description / Properties
Appearance : White odourless crystals, slightly hygroscopic. Formula : KH2PO4 Boiling Point : N/A deg C Melting Point : N/A deg C Vapour Pressure : N/A Specific Gravity : N/A (water = 1) Flash Point : N/A pH : 4.5 () Solubility in water : 230 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
Water loss at 252 deg C. Not flammable. Volume mass: 1.3. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
No hazard known. Eye
Dusts may be irritating for the eyes. Skin
Prolonged contact may be irritating. Inhaled
Dusts may irritate the respiratory system including the nose and throat, causing coughing and chest discomfort. 2.2 Health Effects - Chronic
This material is not considered to be a carcinogen or a mutagen. No reproductive effects have been identified.
2.3 First Aid
Swallowed
DO NOT induce vomiting. If conscious, give 1 - 3 cups of water or milk. Obtain medical attention.
Eye
Immediately flush with plenty of clean water for at least 15 minutes. Obtain medical attention.
Skin
Rinse affected areas with water. Remove contaminated clothing and shoes. Wash clothing before re-use.
Inhaled
Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Obtain medical attention.
First Aid Facilities
Ensure an eye bath and safety shower 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
Dermal (rabbit) LD50: >7940 mg/kg. Oral (rat) LD50: 7100 mg/kg.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
None established.
3.2 Engineering Controls
Provide local mechanical exhaust ventilation capable of maintaining dust emission at a minimum level.
3.3 Personal Protection
If use conditions generate dusts, wear an approved respirator appropriate for those emission levels. Appropriate respirators may be a full facepiece or a half mask air purifying cartridge respirator with particulate filters, a self- contained breathing apparatus in the pressure demand mode, or a supplied-air respirator. Wear rubber gloves. Wear chemical safety goggles unless a full facepiece respirator is also worn. Wear protective clothing with rubber boots. An eyewash and safety shower should be available and ready for use.
3.4 Flammability
Not flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool, dry, well-ventilated place away from incompatible materials. Keep bags dry at all times.
4.2 Packaging / Labelling UN No. N/A Class None Allocated Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name MONOPOTASSIUM PHOSPHATE Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
Clean up personnel should wear full protective clothing, rubber boots, gloves, rubber apron and a self contained breathing apparatus. Wear chemical goggles if a half mask is worn. Keep unnecessary people away. Keep away from sewers, storm drains, surface waters and soil.
Sweep up and shovel into approved waste containers for later disposal. Move containers from spill area. Wash residue with water.
Disposal
Dispose of contaminated product and material used in cleaning up spills or leak in a manner approved for this material. Observe all Local, State and Federal Regulations before disposal. Empty containers can have residues, gases and mists and are subject to proper waste disposal, as above.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Not flammable. Decomposes and produces oxides of phosphorous.
Extinguishing Media
Firefighters should wear full protective clothing including self contained breathing apparatus. Use water spray to cool nearby containers and structures exposed to fire. Use agent suitable for type of surrounding fire (dry chemical, CO2, water spray or foam). 5 OTHER INFORMATION
Other Information
Phosphate will promote algae growth and may degrade water quality.
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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