|
|
Date of Issue : Aug 1998 1. IDENTIFICATION
General Product Name : SODIUM BICARBONATE Other Names : BAKING SODA ; SODIUM ACID CARBONATE BICARBONATE OF SODA 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 : Manufacture of effervescent salts and beverages, artificial mineral water, baking powder; other sodium salts, pharmaceuticals, sponge rubber, gold and platinum plating, treating wool and silk, fire extinguishers, prevention of timber mould, cleaning preparations, lab reagent, antacid, mouthwash.
1.1 Physical Description / Properties
Appearance : White powder or crystalline lumps; cooling, slightly alkaline taste. Formula : NaHCO3 Boiling Point : N/A deg C Melting Point : 270 deg C Vapour Pressure : N/A Specific Gravity : 2.159 (water = 1) Flash Point : N/A pH : 8.4 (10 g/L) Solubility in water : 96 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
Decomposes at 270 deg C. Insoluble in acetone, chloroform, diethyl ether and ethanol. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Non-toxic unless ingested in massive doses. May cause nausea, vomiting and abdominal pains. Doses over 5g/kg body weight can cause alkalosis and expansion in extracellular fluid volume with oedema. Eye
May cause mild eye irritation. Skin
May cause mild skin irritation in sensitive individuals, particularly if the skin is moist. Inhaled
May cause cough and mild respiratory irritation. 2.2 Health Effects - Chronic
This product is used widely in food and medicine. Under normal circumstances, considered to be practically non-harmful by all exposure routes. No evidence of carcinogenicity. Eyes : prolonged contact with dusts may cause conjunctivitis. Skin : repeated exposure may lead to contact dermatitis. Skin irritation may be aggravated in persons with existing skin lesions. Inhalation : acute or chronic asthma may be aggravated by breathing of dust.
2.3 First Aid
Swallowed
Thoroughly rinse mouth with water. Give large amounts of water to drink. Seek medical attention.
Eye
Immediately irrigate eyes, including under the eyelids with plenty of water for at least 15 minutes. Seek medical attention if irritation persists.
Skin
Immediately wash affected areas with plenty of water. Heavily contaminated clothing should be laundered before reuse.
Inhaled
Remove promptly from exposure to fresh air. Seek medical attention if any symptoms persist. If breathing difficult, provide oxygen.
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 = 4220 mg/kg (Rat) Dermal LD50 = not available Inhalation LC50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
An exposure standard has not been established for this product. However, the following is recommended for nuisance dusts : Dusts not otherwise classified : TWA 10 mg/m3 (as inspirable dust)
3.2 Engineering Controls
Use handling techniques and equipment that minimises dust generation. General or local exhaust ventilation may be necessary to achieve low dust levels.
3.3 Personal Protection
Wear overalls, safety glasses (preferably wrap-around style) and use leather or impervious (rubber) gloves with solutions. If dust levels are high (>10 mg/m3) and approved respirator meeting AS1716 should be provided. Heavily contaminated clothing should be removed and laundered before re-use. Protective equipment should be washed before storage and reuse. Avoid wearing contact lenses. Always wash hands before eating, drinking, smoking or using the toilet. Avoid combined exposure to lime dust and sodium bicarbonate as caustic soda may be formed on the skin.
3.4 Flammability
Not flammable under conditions of use. SAFE HANDLING INFORMATION
4.1 Storage / Transport
This product is not classified as dangerous goods under the provisions of the n Code for the Transport of Dangerous Goods by Road and Rail. The product should be stored in a cool, dry location. Isolate from acids and heat.
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 BICARBONATE Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
Clean up personnel should wear protective glasses and approved dust mask. Avoid generating airborne dust.
Flush small spills away with plenty of water. Sweep up large spills together with dust binding agent or use a vacuum cleaner. Place waste in drums and hold for waste disposal.
Disposal
Dispose of waste by landfill in accordance with all Local, State and Federal regulations at an approved waste disposal facility.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
This material is not flammable. Will liberate carbon dioxide and form sodium carbonate, which is a respiratory, skin and eye irritant.
Extinguishing Media
Fire-fighters should wear a self-contained breathing apparatus and protective clothing to prevent contact with eyes and skin. Use equipment/media appropriate to surrounding fire conditions. 5 OTHER INFORMATION
Other Information
No data available
5.1 Contact Points
|
|||||||||||||||||||||||
|
|
|||||||||||||||||||||||
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.
|
|||||||||||||||||||||||
|
|
 |