Codex^®  7101

Applications

Soaps & Detergents, Industrial & Institutional cleaners.                     

Chemical name

Tetra sodium salt of 1-hydroxyethylidene 1, 1- diphosphonic acid

Abbreviation   

Na₄ HEDP

CAS No.

3794-83-0

Formula

C₂P₂O₇H₄Na₄

Molecular weight

294

Physical Properties

Appearance

Colorless to pale yellow clear liquid

Typical Specifications

Active acid

21% min.

Active salt

29% min.

Specific gravity at 25^oc

1.30 ± 0.01

pH of 1% solution

11-12

Iron content as Fe

20 ppm max.

Chloride as Cl

0.1 % max.

Sequestering value at pH11

Min. 176 mg of CaCO₃  per gm of product

Packaging

Unit pack

60 kg HDPE carboy, 250 kg HMHD drums, ISO tanks, IBC Packing. UN approved for ocean carriage.

Quantity per 20 feet FCL

20 MT

UN No.

3267

IMCO class    

8

Packing Group

III