Tetra Sodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid HEDP•Na4 Granule

Synonyms: Tetrasodium etidronate

CAS No.: 3794-83-0

EINECS No.: 223-267-7

Molecular Formula: C₂H₄O₇P₂Na₄ 

Molecular weight: 294

Structural Formula:

Properties and Usage:

HEDP•Na₄ is even granule with excellent fluidity, low dust content, low hygroscopicity and easy handling properties.

HEDP•Na₄ is a powerful chelating agent. As a household cleaning agent and industrial cleaner auxiliary, HEDP•Na₄ can stabilize metal ions in water and enhance effect of decontamination under high pH washing condition. 

HEDP•Na₄ can be used in cosmetics and personal care to restrain rancidity and discoloration. 

HEDP•Na₄ can be used as slow-release scale corrosion inhibitor after being compressed into tablets with other auxiliaries. HEDP•Na₄ works as oxygen bleaching stabilizer in dyeing and paper making industry. 

Specification:

Usage:

The dosage of HEDP•Na₄ is around 1.0-5.0% when used as chelating agent in cleaning industry. It works better when combined with polyacrylate sodium, copolymer of maleic and acrylic acid. 

Package and Storage:

The packing of HEDP•Na₄ granule is film lined kraft valve bag, with net weight 25kg/ bag, 1000kg/ tonnage bag, or as per customer's request. Storage for one year in shady room and dry place.

Safety Protection:

HEDP•Na4 is alkaline, pay attention to labor protection during operation. Avoid contacting with eye and skin, once contacted, flush with water and then seek medical advice.