OriginSynthesized from iminodisuccinic acid precursors and sodium compounds through chemical synthesis. Produced by neutralizing iminodisuccinic acid with sodium hydroxide or sodium carbonate.
Iminodibutanedioic acid, tetrasodium salt
Formula
C8H7NNa4O8
Mol. Weight
337.10
CAS #
144538-83-0
Form
Liquid
State
Liquid; Pellets or Large Crystals, Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Chelating
Grabs onto metal ions in water that would destabilize the formula. Keeps your product from going bad or changing color.
Removes Metal Ions
Binds metal ions
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 848)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 848)
Not an Eye Irritant
1 study / 1 not irritating (CIR 848)
Concentration Guide
CIR's newest survey reports no concentration of use.
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