phosphate

Sodium Tripolyphosphate

Product description: Sodium Tripolyphosphate,Sodium Tripolyphosphate Producers
INQUIRY

sodium tripolyphosphate

CAS NO：7758-29-4

Alias: STPP

Molecular formula： Na5P3O10

Molecular weight： 367.86

Use：

Mainly used as the detergent builder,and for the use of petroleum,mining,water-treating industries and so on。
Specialty：

White powder or solid.Can dissolve in water, have complex ability to alkali metal and metal salt, can soften water, adjust and buffer the PH value of saponification value, 1% solution PH value is 9.7, have ion exchange ability。

Specification;GB/T 9983-2004

Item	Industrial Grade
Item	Excellent class	First class	Second class
w/% ≥ Main contents	96	90	85
w/% ≥ P2O5	57.0	56.5	55.0
w/% ≤ Water insoluble	0.10	0.10	0.15
w/% ≤ Iron (as Fe）	0.007	0.015	0.030
% ≥ Whiteness	90	85	80
pH value (1%solution)	92 ~ 10.0
Particle size	Through 1.00mm mesh sieve≥95%
Phase l and bulk density:According to customer’s demand.