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CarCareTruth

Sodium Polyacrylate

  • Polymers
  • CAS 9003-04-7

Sodium Polyacrylate (CAS 9003-04-7) appears in 2 of the 2,122 car-care products CarCareTruth tracks (as of August 2026).

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

Common questions about Sodium Polyacrylate

What is Sodium Polyacrylate used for in car care?
Thickener, formula stabilizer, and rheology modifier in liquid detergent and car care formulas
Is Sodium Polyacrylate a VOC?
No. Sodium Polyacrylate is not classified as a volatile organic compound (VOC).
Is Sodium Polyacrylate on California's Proposition 65 list?
No. Sodium Polyacrylate is not on California's Proposition 65 list.

2 products contain this

Related

Health and environment notes translate the manufacturer Safety Data Sheet, the GHS classification, and authoritative regulatory listings (California Prop 65, EPA). Not medical advice. They describe the ingredient itself; whether a hazard applies to a finished product depends on its concentration and how it's used.