Calcium silicate
Calcium silicate synthetic
CaO•SiO2
Molecular mass: 116.1
ICSC # 1401
CAS # 1344-95-2
RTECS # VV9150000
Ch, al phrases selected May 2001
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Not combustible.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
Sore throat.
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Local exhaust.
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•Skin
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Protective gloves.
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•Eyes
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Redness.
Pain.
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Safety spectacles
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers.
Wash away remainder with plenty of water.
Personal protection: P2 filter respirator for harmful particles.
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Important Data
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Physical State; Appearance:
WHITE
POWDER
Physical Dangers:
Chemical Dangers:
Occupational Exposure Limits:
TLV: (particulate matter containing no asbestos and <1 % crystalline silica) 10 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
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
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
May cause mechanical irritation tothe eyesandthe respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 1540°C
Density: 2
g/cm3
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Solubility in water:
poor
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Environmental
Data
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N O T E S
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Card has been partly updated in April 2005. See section Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 1401
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CALCIUM SILICATE (non-fibrous, <1% crystalline silica)
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(C) IPCS, CEC, 1994
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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.
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