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Date of Issue : Jun 1999 1. IDENTIFICATION
General Product Name : CALCIUM CARBONATE Other Names : LIMESTONE CHALK 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 : Limestone is used in the manufacture of paints, plastics, glass, and paper. Selected grade are used for animal, abrasive blasting, acid soil amelioration, and colliery 'stonedusting'. Source of lime; netralising agent, filler, and extender in rubber, plastics, paints; opacifying agent in paper; fortification of bread; putty; tooth powders; antacid; whitewash; Portland cement; sulfur dioxide removal from stack gases; metallurgical flux; analytical chemistry; carbon dioxide generation (laboratory).
1.1 Physical Description / Properties
Appearance : White powder, or colourless crystals. Odourless and tasteless. Formula : CaCO3 Boiling Point : N/A deg C Melting Point : 825 deg C Vapour Pressure : N/A Specific Gravity : 2.7 (water = 1) Flash Point : N/A pH : N/A () Solubility in water : Ins. 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 acids with evolutions of carbon dioxude. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
No adverse effects expected. May cause wind in gastrointestinal tract. Eye
May cause mechanical irritation if exposed to large amounts of dust. Skin
No adverse health effects expected. Inhaled
Not considered to create a respiratory problem. There is no record that the product regarded as sensitiser material. 2.2 Health Effects - Chronic
No chronic effects information available for the product.
2.3 First Aid
Swallowed
Rinse mouth with water. Seek medical advice.
Eye
Irrigate with copious amounts of water for 15 minutes. If irritation develops, seek medical advice.
Skin
If skin contact occurs, wash contaminated skin with plenty of soap and water. If irritation develops, seek medical advice. Remove contaminated clothing and wash before reuse.
Inhaled
Remove to fresh air. If breathing is difficult give oxygen. Seek medical advice.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Consult and then treat patient symptomatically.
2.6 Toxicity Data
No information available.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
TWA (inspirable dust): 10 mg/m3 for calcium carbonate. TWA (respirable dust): 0.1 mg/m3 for silica (crystalline) quartz.
3.2 Engineering Controls
General, local exhaust ventilation as necessary to control any air contaminants, to within their TWA limitations.
3.3 Personal Protection
Respirator type - advisable to wear a dust/mist respirator (class P1) complying to AS 1716 (1991). Prot4ective gloves can be used, but are not necessary. Eye protection: safety glasses recommended with side shields. Clorhing: overalls or similar protective clothing.
3.4 Flammability
Non flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Avoid breakage of bagged material or spills of bulk material. Use dustless systems for handling, storage and cleanup so that airbourne dust does not exceed TWA. Not defined as Dangerous Good by the n Code for the Transport of Dangerous Goods by Road and Rail.
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 CALCIUM CARBONATE Hazard
Risk Phrases
Safety Phrases
4.3 Spills and Disposal
Spills
Clean up personnel should wear full protective clothing including self containe breathing apparatus. Contain spillage. Do not use cleaning method that will generate dust.
Scoop up spilled material or use a vacuum.
Disposal
Dispose of in a convenient and logical manner. Refer to State Land Waste Management Authority for environmental impact.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Not combustible.
Extinguishing Media
Firefighters should wear full protective clothing and use self contained breathing apparatus. When heated, decomposes, liberating carbon dioxide. 5 OTHER INFORMATION
Other Information
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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