Carbonic acid, calcium salt
CaCO3
Molecular mass: 100.1
ICSC # 1193
CAS # 471-34-1
RTECS # FF9335000
|
|
Types of Hazard/ Exposure
|
Acute Hazards/ Symptoms
|
Prevention
|
First Aid/
Fire Fighting
|
|
FIRE
|
Not combustible.
|
|
In case of fire in the surroundings: all extinguishing agents allowed.
|
|
Explosion
|
|
|
|
|
|
|
Exposure
|
|
|
|
|
•Inhalation
|
|
Local exhaust.
|
Fresh air, rest.
|
|
•Skin
|
|
Protective gloves.
|
Rinse skin with plenty of water or shower.
|
|
•Eyes
|
|
Safety spectacles.
|
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
|
|
•Ingestion
|
|
Do not eat, drink, or smoke during work.
|
Rinse mouth.
|
|
Spillage Disposal
|
Storage
|
Packaging & Labelling
|
Sweep spilled substance into containers.
(Extra personal protection: P1 filter respirator for inert particles).
|
Separated from
acids,
aluminium
and ammonium salts.
|
|
|
|
|
Important Data
|
Physical State; Appearance:
ODOURLESS, TASTELESS POWDER
OR CRYSTALS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating 825°C
producing
corrosive fumes
of calcium oxide.
Reacts
with
acids
,
aluminium
and ammonium salts.
Occupational Exposure Limits:
TLV not established.
MAK not established.
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
NIOSH IDLH: N.D. See: IDLH INDEX
|
Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
|
|
Physical
Properties
|
Melting point (decomposes): 825°C
Density: 2.8
g/cm3
|
Solubility in water: none
|
|
Environmental
Data
|
|
|
N O T E S
|
Health effects of exposure to the substance have been investigated, but none has been found.
Calcium carbonate exists in nature as mineral aragonite and calcite (as in limestone, chalk and marble).
Card has been partially updated in February 2009: see Occupational Exposure Limits.
|
|
|
ADDITIONAL INFORMATION
|
|
|
|
ICSC: 1193
|
CALCIUM CARBONATE
|
|
(C) IPCS, CEC, 1994
|
|
|
IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
|
|
|