Basic Information

Other Names: Ethylenediaminetetraacetic Acid Tetrasodium Salt; Tetrasodium EDTA                

Molecular Formula:  C10H12N2O8 Na 4    

Molecular Weight: 318.17

CAS NO.: 64-02-8

EINECS NO.: 200-573-9

H.S. CODE NO.: 29224999.90

Purity: 99.0% min.

Physicochemical Properties

1.Appearence: White crystalline powder

2.PH : 10.5-11

3.Melting point (℃): 248

4.Ignition temperature (℃): 450

5.Lower explosive limit% (V / V): 75

6.Stability: soluble in water, slightly soluble in alcohol.

Technical Specifications

Name of IndexIndex
PH 5%P-P 25℃10.8-11.5
EDTA-4NA Purity %99 Min.
Densidad (Density) (g/cm3)0.7-0.95
Chelate Value (mg/g)220-240
Heavy metals (for ex. Pb) ppm0.001 Max.
Fe, %0.004 Max.
Chlorides, %0.001 Max.
Copper (Cu %)0.001 Max.

Packaging Types

    In complex bag with plastic inner, 25KG net per bag or as per customers' requirements


It is an important metal complexing agent and a masking agent. Can be used for textile dyeing industry, water treatment, color photographic, pharmaceutical, household chemicals, paper and other industries, as

additives, activators, water purification agent, metal ion masking agent, and styrene-butadiene rubber industry activator. The offset dry acrylic industry metal interference, improve the color and brightness

of the dyed fabric, but also for liquid detergents, improving the quality of washing, and enhance water quality.

Transport Information

Packing Group: outer plastic knitting

Transportation Note: The complete packaging to shipment, loading should be safe. During transport to ensure that the container does not leak, did not fall, do not fall, no damage. Strictly prohibited and oxidants,

food chemicals mixed mixed operation. Transit should be anti-exposure, rain, high temperature. Vehicle transport is completed shall be thoroughly cleaned.