Tetrasodium Iminodisuccinate

Tetrasodium Iminodisuccinate molecular structure
molecular structure · PubChem
AKA: 144538-83-0, Aspartic acid, Sodium salt (1:4), Tetrasodium;2-(1, 2-dicarboxylatoethylamino)butanedioate, Tetrasodium salt, BAYPURE CX100, BORCHIGEN 630, BAYPURE CX-100, Iminodisuccinic acid sodium salt
Synthetic
Chelating Agent
Clean
Iminodibutanedioic acid, tetrasodium salt
Formula
C8H7NNa4O8
Mol. Weight
337.10
CAS #
144538-83-0
Form
Liquid
State
Liquid; Pellets or Large Crystals, Liquid
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
Traditional Use
Biodegradable synthetic chelating agent developed as an environmentally-friendly alternative to EDTA in modern cosmetics. Created in the late 20th century to reduce environmental impact.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR