Acrylic acid homopolymer, sodium salt
Carboxy vinyl polymer, sodium salt
2-Propenoic acid homopolymer, sodium salt
Sodium polyacrylate
(C3H3O2)n·Na
Molecular mass: Polymer, variable molecular mass
ICSC # 1429
CAS # 9003-04-7
RTECS # AT4680000
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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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Combustible.
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NO open flames.
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Powder, alcohol-resistant foam, water in large amounts, carbon dioxide.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
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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.
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Remove contaminated clothes.
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•Eyes
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Redness.
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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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Do not eat, drink, or smoke during work.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: particulate filter adapted to the airborne concentration of the substance.
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting.
Wash away remainder with plenty of water.
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Separated from
oxidants
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Signal: Warning
Health haz
May cause damage to lungs through prolonged or repeated exposure if inhaled
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Important Data
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Physical State; Appearance:
WHITE
POWDER
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.
Chemical Dangers:
Reacts
violently with
oxidants
causing fire and explosion hazard.
Occupational Exposure Limits:
TLV not established.
MAK: 0.05 mg/m3 (Respirable fraction);
Carcinogen category: 4; Pregnancy risk group: C
(DFG 2008).
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Routes of Exposure:
The substance can be absorbed into the body by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
May cause mechanical irritation.
Effects of Long-Term or Repeated Exposure:
Lungs may be affected by repeated or prolonged exposure.
on not to select: Tumours have been detected in experimental animals but may not be relevant to humans.
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Physical
Properties
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(See Notes)
Density: 1.1 - 1.4 g/cm3
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Solubility in water: good
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Environmental
Data
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N O T E S
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The substance is combustible but no flash point is available in literature.
Properties may vary with the molecular weight. Physical properties are for the acid form of the polymer.
The recommendations on this Card also apply to polyacrylic acid, CAS# 9003-01-4.
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ADDITIONAL INFORMATION
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ICSC: 1429
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POLYACRYLIC ACID, SODIUM SALT
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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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