CAS Number: 64-02-8; 13235-36-4 Chinese Name: EDTA Tetrasodium English Name: Ethylenediaminetetraacetic acid tetrasodium salt Alias: EDTA Tetrasodium; Tetrasodium ethylenediaminetetraacetate dihydrate; EDTA 4Na Content: ≥99.0% Molecular Formula: C10H12N2Na4O8 Molecular Weight: 380.17 EINECS Number: 200-573-9 Package: 100 kg/bag Specification: Appearance: White powder, odorless Content: ≥99.0% Iron (Fe): ≤0.001% Heavy Metals (Pb): ≤0.002% Chelation Value (mg CaCO3/g): ≥215 pH: 10.5–11.5 Executive Standard: Q/24SJK03-2006 Usage: Used as a water softener, chelating agent, initiator for styrene-butadiene rubber polymerization, initiator for acrylic fiber, dyeing auxiliary, detergent additive, etc. In chemical analysis, it is also used for titration to accurately determine various metal ions, with broad applications. Physical Properties: Appearance: White crystalline powder Solubility: Soluble in water and acid; insoluble in alcohol, benzene, and chloroform Solubility in H?O: 0.1 M at 20°C, clear, colorless WGK Germany: 3 Storage and Transportation: Solid product: Packed in inner plastic and outer paper bags, net weight 25 kg per bag. Liquid product: Packed in plastic-lined iron drums, net weight 200 kg per drum. Store in a cool, dry, and well-ventilated area. Protect from sunlight and moisture.