Palygorskite
Mg(Al0•51 Fe00•5)Si4O10(OH)• 4H2O
ICSC # 1321
CAS # 12174-11-7
RTECS # RT6400000
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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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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!
AVOID ALL CONTACT!
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•Inhalation
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Cough.
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Local exhaust or breathing protection.
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•Skin
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Protective gloves.
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Rinse skin with plenty of water or shower.
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•Eyes
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Safety spectacles
or
eye protection in combination with breathing protection if powder.
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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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Do not eat, drink, or smoke during work.
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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 sealable containers; if appropriate, moisten first to prevent dusting.
Personal protection: P2 filter respirator for harmful particles.
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Important Data
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Physical State; Appearance:
WHITE TO GREY FIBRES.
Physical Dangers:
Chemical Dangers:
Occupational Exposure Limits:
TLV not established.
MAK:
Carcinogen category: 2;
(DFG 2004).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Lungs may be affected by repeated or prolonged exposure to fibres
, resulting in fibrosis.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Environmental
Data
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
Fibre length varies with the source of the mineral. Experimental carcinogenity is associated with respirable fibres greater than 5 micrometers in length.
Card has been partly updated in April 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
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ADDITIONAL INFORMATION
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ICSC: 1321
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ATTAPULGITE
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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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