Sodium-Tripolyphosphate(STPP)

Sodium-Tripolyphosphate(STPP)

CAS No: 7758-29-4

Molecular Formula: Na5P3O10

Uses:
[1]It is a solid inorganic compound used in a large variety of household cleaning products, mainly as a builder, but also in human foodstuffs, animal feeds, industrial cleaning processes and ceramics manufacture.

[2]STPP is widely used in regular and compact laundry detergents and automatic dishwashing detergents (in powder, liquid, gel and/or tablet form), toilet cleaners, surface cleaners, and coffee urn cleaners

[3]. It also provides a number of chemical functions including: Sequestration of "water hardness", enabling surfactants to function effectively; pH buffering; Dirt emulsification and prevention of deposition; Hydrolysis of grease; And dissolving-dispersing dirt particles.

 

Indexes Industrial GradeFood GradeNa5P3O10%≥94.094.0P2 O 5  %≥57.057.0Water Insoluble Matter%≤ 0.150.04Iron(Fe) %≤0.0150.006PH value (1% water solution)9.2-10.09.5-10.0Heavy Metal (as Pb) %≤-0.001Arsenic (As)  %≤-0.0003Fluoride (F) %≤-0.003Whiteness %≥9292density (g/cm3)0.35-0.90.35-0.9Phase I10-3010-30

 

Packing:
Plastic-woven sack with polythene inner bag; Net weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the open air.

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