Sodium Tripolyhosphate

PRODUCT NAME:

Sodium Tripolyhosphate

SYNONYMS:

STPP

FORMULA:

Na5P3O10

MOLECULAR WEIGHT:

367.86

PROPERTIES:

White Powder

EINECS NO.:

215-280-1

CAS NO.:

7758-29-4

HS CODE:

3405900000

SPECIFICATION:

Inspection Standard

Components:

Guaranteed Analysis:

Appearance

white crystalline powder

Assay

99%-101%

Water content

≤0.5%

Melting point

148℃--151℃

Reducing sugar

≤0.1%

Specific rotation

+105.5°- +108.5°

Chloride

≤50 ppm

Sulfate

≤100 ppm

Lead

≤0.5 ppm

Nickel

≤0.5 ppm

Arsenic

≤0.5 ppm

Heavy metals

≤10 ppm

Viable counts

≤20cfu/g

Yeast

≤10cfu/g

Moulds

≤10cfu/g

Coliform organisms

Negative in 25g

PACKAGING:

In double layer bags of 25 kg or 50 kg or 1000 kg net

QUANTITY/CONTAINER:

HANDLING&STORAGE:

Kept in a light-proof, dry and cool place