Tetrasodium EDTA
✓ EU AllowedIdentification
CAS Number 64-02-8
EINECS / EC 200-573-9
Chemical Name tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate
IUPAC Name —
Formula C10H12N2Na4O8
Mol. Weight 380.17 g/mol
SMILES C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Na+].[Na+].[Na+].[Na+]
InChIKey UEUXEKPTXMALOB-UHFFFAOYSA-J
Function & Classification
Primary Function Chelating
Origin Synthetic
Category Chelating Agents
Manufacturer Nouryon
EU Regulatory Status
Safety Profile
1 / 10
Comedogenic Rating: 0/5
Will not clog pores — safe for acne-prone skin
Skin Type Compatibility
Acne-Prone ✓ Safe
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 750 mg/kg bw/day (oral, rat) CIR 2002
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
LD₅₀ Oral 2850 mg/kg (rat)
LD₅₀ Dermal >2000 mg/kg (rabbit)
Skin Irritation (Draize) 0.3 / 4.0
Eye Irritation (Draize) 1.0 / 4.0
Formulation Guidelines
Benefits Metal ion sequestrant; stability
Suppliers & Documents
Nouryon 🇳🇱 Netherlands
Documents