Sodium Iodate
AKA “7681-55-2, Natriumjodat, Iodic acid, sodium salt, Sodium iodate (NaIO3), Iodic acid (HIO3), U558PCS5Z9, DTXSID90858754, NSC-77387, NaIO3
Preservative
Ingredient Facts
Sodium iodate
AKA: 7681-55-2, Natriumjodat, Iodic acid, Sodium salt, Sodium iodate (NaIO3), Iodic acid (HIO3), U558PCS5Z9, DTXSID90858754, NSC-77387, NaIO3
Preservative · Preservative · EWG: 4
Synthetic
Preservative
Not Clean
The safety of this ingredient has not been documented and substantiated. The CIR Expert Panel cannot conclude whether Sodium Iodate is safe for use in cosmetic products until the appropriate safety data have been obtained and evaluated.
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.
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
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR