Sodium Iodate
molecular structure · PubChem
AKA: 7681-55-2, Natriumjodat, Iodic acid, Sodium salt, Sodium iodate (NaIO3), Iodic acid (HIO3), NaIO3
Synthetic
Preservative
Not Clean
Sodium Iodate is a cosmetic ingredient used as preservative. Rated moderate hazard by EWG.
Solubility Solubility in water: 9 g/100 cc @ 20 °C; 34 g/100 cc @ 100 °C; soluble in acetic acid; insol in alcohol
Formula
INaO3
Mol. Weight
197.89
CAS #
7681-55-2
Form
Powder
State
White solid; [Hawley] White powder; ]MSDSonline]
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Preserves Formula
Antioxidant Protection
Reduces Inflammation
Prevents microbial growth
Traditional Use
A synthetic oxidizing agent developed for industrial and cosmetic use in the 20th century with no significant traditional medicinal or cosmetic history. Used primarily as a dough conditioner and minor cosmetic ingredient.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR