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Sodium Polyacrylate

  • Polymers
  • CAS 9003-04-7

Considered non-hazardous under GHS. No Prop 65 listing, no asthmagen classification. Not classified as irritant or sensitizer at consumer concentrations. Widely used in superabsorbent polymers, personal care, and household cleaners.

Sodium polyacrylate is a high-molecular-weight polymer of acrylic acid neutralized with sodium hydroxide. In car wash formulas, it functions as a thickener and viscosity stabilizer at low concentrations (≤2%). It is not biodegradable but is not bioaccumulative. No confirmed aquatic toxicity at consumer formula concentrations. No Prop 65 listing and no asthmagen classification. ## Regulatory status - Not Prop 65 listed - Non-hazardous per GHS at consumer concentrations (≤2%) - No SARA 313 listing

Health & environment profile

VOC
no
Prop 65 listed
no
Asthmagen
no
EPA Safer Choice
no
Aquatic toxicity
no
Biodegradable
no
Bioaccumulative
no
Persistent
yes
Ozone depleting
no
Microplastic
no
PFAS
no
Env. score
5/5
Purpose: Thickener, formula stabilizer, and rheology modifier in liquid detergent and car care formulas

1 product contain this

Health summaries are editorial — we synthesize from SDSs, peer-reviewed sources, and regulatory listings. Not medical advice.