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Sodium Iodate
AKA “Natriumjodat, Iodic acid, sodium salt, Sodium iodate (NaIO3), Iodic acid (HIO3), NSC-77387, NaIO3”
Synthetic
Ingredient Facts
Sodium iodate
AKA: Natriumjodat, Iodic acid, Sodium salt, Sodium iodate (NaIO3), Iodic acid (HIO3), NSC-77387, NaIO3
Synthetic · Antioxidant · EWG: 4
Synthetic
Antioxidant
Preservative
Synthetic
Clean
A synthetic preservative that helps keep the product fresh and effective throughout its shelf life.
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]
See origin →
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.
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Antimicrobial
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
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Insufficient
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USAunder review
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR