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Sodium Trimetaphosphate (STMP)

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category：Industrial application
Properties: White crystal or powder, density (25ºC) 2.476g/mL, melting point 627.6℃, non-toxic, soluble in water, insoluble in alcohol, without buffer and chelation.
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Sodium Trimetaphosphate (STMP)

Sodium trimetaphosphate

Chemical formula: (NaPO3)3

Molecular weight: 305.883

CAS No.: 7785-84-4

Executive standard: HG/T4515-2013

Properties: White crystal or powder, density (25ºC) 2.476g/mL, melting point 627.6℃, non-toxic, soluble in water, insoluble in alcohol, without buffer and chelation.

Uses: It can be added to gypsum board in industry, and used in the production of low-density washing powder. It can also be used in the production of drying bleach, melt glue, automatic dishwashing detergent, sodium tripolyphosphate hexahydrate and sodium tripolyphosphate hexahydrate. A mixture of water and inert inorganic salts.

Packing: inner plastic outer woven, net weight 25Kg, 50Kg, 1000Kg per bag, stored in a ventilated and dry place.

[Table unit: %]

Serial number  Indicator name    Specification 
1  Appearance    White crystalline powder 
2  Sodium trimetaphosphate (calculated as (NaPO3) 3)  ≥  99 
3  PH value (10g/L aqueous solution)    6.0-9.0 
4  Heavy metals (in Pb)  ≤  0.001 
5  Arsenic (in As)    0.0003 
6  Fluoride (in F)  ≤  0.001 
7  Water insoluble matter  ≤  0.05 
Keyword:
sodium
trimetaphosphate
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Sodium Tripolyphosphate (STPP)

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