CaCo3 MSDS

Haxards summarizing

Health hazards: workers engaged in mining and processing often appear upper respiratory inflammation, bronchitis, can be accompanied by emphysema.  The chest radiograph shows calcification of lymph nodes and enhanced lung texture.  Workers suffering from pneumoconiosis is mainly related to silica impurities contained in this product.  

Flammability danger: this product does not burn.  

First aid Measures

Skin contact: take off contaminated clothes and rinse with running water.  

Eye contact: lift eyelid, rinse with running water or normal saline.  Go to a doctor.  

Inhalation: Away from site to fresh air.  If breathing is difficult, give oxygen.  Go to a doctor.  

Eat: drink enough warm water to induce vomiting.  Go to a doctor.  

Fire-fighting measures

Hazard characteristics: no special combustion and explosion characteristics.  

Harmful combustion products: Natural decomposition products unknown.  

Fire extinguishing method: If possible, move containers from the fire to an open area.  

Emergency treatment:

Emergency treatment: isolate contaminated areas and restrict access.  It is recommended that emergency personnel wear dust masks (full cover) and general work clothes.  Avoid dust, carefully sweep, put in a bag to a safe place.  If a large number of leakage, with plastic cloth, canvas cover.  Collect, recycle or transport to waste treatment site for disposal.  

Operation, disposal and storage precautions:

closed operation, pay attention to ventilation.  Operators must be specially trained and strictly abide by the operating procedures.  It is recommended that operators wear self-priming filter dust masks and chemical safety glasses.  Avoid dust generation.  Avoid contact with acids.

Storage precautions: Should be separated from acid storage.  

Contact control/Personal Protection Soviet MAC(mg/m3) : 6  

TLVTN: 10 mg/m3  

Engineering control: closed operation, pay attention to ventilation.  

Respiratory protection: It is recommended to wear a self-priming filter dust mask when the dust concentration in the air is high.  

Eye protection: Wear chemical safety glasses.  

Physical protection: wear general protective clothing.  

Hand protection: wear general protective gloves.  

Other protection: Change work clothes in time.  Pay attention to personal hygiene.  

Physical and chemical properties

pH value:

Melting point (℃) : 825 (decomposition)  

Relative density (water =1) : 2.70-2.95

boiling point (℃)  

Relative density (air =1) :

saturated vapor pressure (kPa) : (℃)  

Appearance and properties: odorless, tasteless white powder or colorless crystal.  

Solubility: insoluble in water, soluble in acid.  

Main uses: used for making cement, ceramics, lime, calcium salt, toothpaste, dye, pigment, mineral water, artificial stone, putty, neutralizer, catalyst, filler, medicine and so on.  

Stability data

Polymerization hazard: no polymerization  

Forbidden ligand: strong acid

Waste disposal Waste disposal method:

according to the requirements of the relevant national and local laws and regulations.  Or contact the manufacturer or manufacturer to determine the disposal method.  

Transportation notes:

The packing should be complete and the loading should be safe.  During transportation, ensure that containers do not leak, collapse, fall, or damage.  It is strictly forbidden to mix and transport with acid.  

Regulations on the Safety

Management of Chemical Hazardous Substances (promulgated by The State Council on February 17, 1987),  

Detailed rules for the Implementation of the Regulations on the Safety Management of Chemical Dangerous Goods (Hua Laofa [1992] No. 677),  

Regulations on the Safe Use of Chemicals in the Workplace ([1996] Ministry of Labour No. 423)  

Health standard for limestone dust in the air of workplace