EDTA Tetrasodium Salt 99%

EDTA Tetrasodium Salt 99% (CAS 64-02-8, molecular formula C10H12N2Na4O8) is a formulation raw material used by detergent, personal care and industrial cleaning manufacturers who need stable active matter and reproducible performance. China Chemicals supplies it at 99% min in pack sizes from 1 kg through to 1000 kg Bulk Bag, so laboratory trial quantities and full production volumes can be sourced from the same specification.

It is also traded as EDTA-4Na, Tetrasodium EDTA, Versene. Every consignment ships with a batch-specific Certificate of Analysis and the current Safety Data Sheet, and material is stored and picked under stock rotation so you receive product well inside its shelf life.

Typical applications

Chelation of calcium and heavy metals in cleaners
Boiler and cooling system scale control
Stabiliser in personal care and cosmetic products
Pulp and paper bleaching stabiliser
Textile dyeing water hardness control

Technical specification

Chemical name	EDTA Tetrasodium Salt 99%
Synonyms	EDTA-4Na, Tetrasodium EDTA, Versene
CAS number	64-02-8
Molecular formula	C10H12N2Na4O8
Appearance	White crystalline powder
Assay	99.0% min
Chelation value CaCO3	250 mg/g min
pH (1% solution)	11.0 – 12.0
Water insolubles	0.05% max
Iron (Fe)	10 ppm max
Heavy metals as Pb	10 ppm max

Values above are typical and are confirmed on the Certificate of Analysis issued against each batch. Tighter specifications can be quoted where a process requires them.

Packaging and supply

Available in 1 kg, 5 kg, 25 kg Bag, 1000 kg Bulk Bag. Bulk, road tanker and export drum quantities are quoted on request, including FOB and CIF terms for international shipment. Pricing shown is per pack in USD, exclusive of freight and any applicable duties.

Handling and safety

Transport classification: Not regulated · Causes serious eye irritation. Store in the original closed container in a cool, well-ventilated area away from incompatible materials, and handle using appropriate personal protective equipment. Read the Safety Data Sheet in full before use — it is issued with every order and is available on request before purchase.

Supply to industry only. Products are sold for legitimate industrial, laboratory and manufacturing use. We may request end-use details and business registration before releasing an order.