Disodium EDTA
✓ EU AllowedIdentification
CAS Number 139-33-3
EINECS / EC 205-358-3
CosIng Ref 33604
Chemical Name Disodium dihydrogen ethylenediaminetetraacetate
Formula C10H14N2Na2O8
Mol. Weight 336.21 g/mol
Function & Classification
Primary Function Chelating
Secondary Functions VISCOSITY CONTROLLING
Origin Synthetic
Category Chelating Agents
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, 90-day) CIR 2002 / ECHA
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 0.1%
LD₅₀ Oral 2000 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 chelation; formula stability
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