Codex^®  DS

Applications

Oilfields, Dyes, Soaps.

Chemical name

Disodium salt of 1- hydroxyethylidene 1, 1-disphosphonic acid.

Abbreviation

Na₂ HEDP

CAS No.

Not listed

Formula

C₂P₂O₇H₆Na₂

Molecular weight

250

Physical Properties

Appearance    

White powder

Specifications

Active acid

80% min.

Active salt

95%

pH of 1% solution

5 to 5.5

Iron content as Fe

Less than 100 ppm

Sequestering value at pH11

Min.600 mg of CaCO₃  per gm of product

Packaging

Unit pack

50 kg in fiberboard drum or bags Packing. UN approved for ocean carriage.

Quantity per 20 feet FCL

16 MT

UN No

3261

IMCO class    

8

Packing Group

II