Heazlewoodite
Nickel subsulphide
Trinickel disulfide
Ni3S2
Molecular mass: 240.19
ICSC # 0928
CAS # 12035-72-2
RTECS # QR9800000
EC # 028-007-00-4
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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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Gives off irritating or toxic fumes (or gases) in a 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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In case of fire: keep drums, etc., cool by spraying with water.
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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.
Sore throat.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Safety spectacles
or
eye protection in combination with breathing protection.
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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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Rest.
Refer for medical attention.
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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; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
Personal protection: complete protective clothing including self-contained breathing apparatus.
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T symbol
N symbol
R: 49-43-51/53
S: 53-45-61
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Important Data
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Physical State; Appearance:
PALE YELLOWISH BRONZE LUMPS
WITH METALLIC LUSTRE.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating to high temperatures
producing sulfur oxides.
Occupational Exposure Limits:
TLV: 0.2 mg/m3 as TWA; A1 (confirmed human carcinogen); (ACGIH 2004).
MAK: sensitization of respiratory tract and skin (Sah);
Carcinogen category: 1;
(DFG 2004).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol.
Inhalation Risk:
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
This substance is carcinogenic to humans.
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Physical
Properties
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Melting point: 790°C
Relative density (water = 1): 5.82
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Solubility in water: none
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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.
Card has been partly updated in April 2005. See sections EU classification, Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0928
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NICKEL SULFIDE
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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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