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Date of Issue : Jan 2000 1. IDENTIFICATION
General Product Name : DIPOTASSIUM PHOSPHATE Other Names : DKP, DIPOTASSIUM HYDROGENORTHOPHOSPHATE 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 : Buffers in antifreezes, ingredient of 'instant' fertilizers, nutrient for penicillin culturing, humectant, pharmaceuticals. In foods as a buffer, sequestrant and yeast food.
1.1 Physical Description / Properties
Appearance : White hygroscopic crystals, odourless. Formula : K2HPO4 Boiling Point : N/A deg C Melting Point : >600 deg C Vapour Pressure : N/A Specific Gravity : N/A (water = 1) Flash Point : N/A pH : 9.17 () Solubility in water : 1560 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
Volume mass: 156. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
No hazard known. Eye
Dust may be irritating for the eyes. Skin
Prolonged contact may be irritating. Inhaled
Dust may irritate the respiratory system. 2.2 Health Effects - Chronic
No information available.
2.3 First Aid
Swallowed
Do not induce vomiting. If conscious, give a little water or milk. Obtain medical attention.
Eye
Immediately flush with plenty of water for at least 15 minutes. Obtain medical attention.
Skin
Rinse with water. Remove contaminated clothing and shoes. Wash clothing before re-use.
Inhaled
Remove to fresh air. If no 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
Oral (rat) LD50: 1 g/kg. Material is not considered a carcinogen or mutagen. No reproductive effects have been identified.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
None established.
3.2 Engineering Controls
Provide local mechanical 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 repsirator with particulate filters, a self contained breathing apparatus in the pressure demands mode, or a supplier-air respirator. Wear rubber gloves. Wear chemical safety goggles unless a full facepiece respirator is also worn. Wear protective clothing with rubber boots.
3.4 Flammability
Decomposes. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool, dry 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 DIPOTASSIUM PHOSPHATE Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
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. Do not allow spilled material to enter sewers, storm drains, surface waters and soil.
Sweep up and shovel material into approved waste containers for later disposal. Move containers from spill area. Wash residue with water.
Disposal
Dispose of contaminated product and materialc used in cleaning up spills or leak in a manner approved for this material. Review national, regional and local government requirements prior to disposal. Empty containers can have residues, gases and mists ard are subject to proper waste disposal, as above.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Product is not flammable. Will decompose to form hazardous oxides of phosphorous.
Extinguishing Media
Firefighters should wear full protective clothing and self contained breathing apparatus. Use extinguishing media suitable to surrounding fire conditions. Use water spray to cool nearby containers and structures exposed to fire. 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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