Identifier

Synonyms: Ethylenediaminetetraacetic acid tetrasodium salt tetrahydrate; Edtatetrasodium salt 4-hydrate
Molecular Formula: C10H12N2O8Na4.4H2O
Molecular Weight: 452.2
CAS Number: 13235-36-4

Properties

Solubility in water: Soluble
Safety information

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36

Specification

Assay: 99.0% min
Appearance: White crystal powder
PH value (1% water solution): 10.9-11.5
Chelate value (pH=11): 220-240mg/g
Cl: 0.02% max
Fe: 0.001% max
Sulphate: 0.01% max
Heavy metals (as per Pt): 0.001% max

Storage and packing

Packing: 25kgs net plastic woven bag