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Date of Issue : Jun 1998 1. IDENTIFICATION
General Product Name : SODIUM PHOSPHATE, DIBASIC Other Names : DISODIUM PHOSPHATE ; DIBASIC SODIUM PHOSPHATE DI-SODIUM HYDROGEN ORTHOPHOSPHATE ; DSP 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 : As sequestrant, emulsifier and buffer in foods; as mordant in dyeing; for weighing silk; in tanning; in manufacture of enamels, ceramics, detergents, boiler compounds; as fire-proofing agent; in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry.
1.1 Physical Description / Properties
Appearance : Colourless translucent crystals or white powder, odourless. Formula : Na2HPO4 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 : 9.1 (1% soln) Solubility in water : 110 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
No data available 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Ingestion of large amounts could be harmful. If poisoning occurs the following symptoms for sodium salts may arise : nausea, vomiting, gastric irritation, thirst possibly leading to swollen tongue, weakness, tension, delirium, hyperpnoea, tachycardia and respiratory arrest. Eye
May be an eye irritant. Skin
Repeated or prolonged skin contact may lead to dermatitic effects in some sensitive individuals. Inhaled
Dust particles may cause irritation to the nose and respiratory tract. High concentrations may cause coughing and choking. 2.2 Health Effects - Chronic
Medical experience indicates that this material is of low hazard in normal doses. It is normally excreted rapidly from the body but in cases of impaired renal function, dangerous quantities of this salt may build up.
2.3 First Aid
Swallowed
DO NOT attempt to give anything by mouth to an unconscious person. Give plenty of water to drink. If vomiting occurs, give more water to achieve effective dilution. Seek medical assistance.
Eye
Immediately irrigate with copious quantities of water, holding the eyelids open. Seek medical attention.
Skin
Remove contaminated clothing. Wash affected areas with copious quantities of soap and water immediately. Seek medical advice if effects persist.
Inhaled
Remove victim to fresh air. Employ artificial respiration if indicated. Seek medical attention if effects persist.
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 = > 1000 mg/kg (Rat) ; > 17,000 mg/kg (Rat) Dermal LD50 = not available Inhalation LC50 = not available Skin effects : moderate irritant (Rabbit) Eye effects : mild irritant (Rabbit) This product does not contain any ingredient designated by IARC, NTP, ACGIH or OSHA as a probable human carcinogen.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
An exposure standard has not been established for this product by Worksafe .
3.2 Engineering Controls
Use with adequate ventilation. Avoid generating and inhaling dusts.
3.3 Personal Protection
Wear suitable protective equipment, including approved respiratory protection. Have appropriate equipment available for use in emergencies such as spills or fire. Wear chemical safety goggles, a face shield may also be necessary, impervious gloves, overalls, enclosed footwear and/or other resistant protective clothing. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking or using toilet facilities.
3.4 Flammability
Non-combustible solid. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Store in a cool, dry place with adequate ventilation. This material is hygroscopic and tends to cake on storage. When not in use, containers should be kept closed at all times. Exercise due caution to prevent damage to or leakage from the containers. This material is not corrosive to materials commonly used in the construction of process equipment, storage and handling containers.
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 SODIUM PHOSPHATE, DIBASIC Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing including breathing protection in dusty environments. Avoid generation of dusts.
Sweep up, avoid generating dust. Collect and seal in properly labelled containers for subsequent disposal. Flush spill area with water.
Disposal
Dispose of in accordance with all Local, State and Federal regulations at an approved waste disposal facility under controlled incineration.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
On exposure to air, will absorb from 2 to 7 moles of water, depending on the humidity and temperature. Incompatible with alkaloids, antipyridine, chloral hydrate, lead acetate, pyrogallol and resorcinol.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use carbon dioxide, foam or dry chemical type extinguishers. Use equipment/media appropriate to surrounding fire conditions. 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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