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Sodium Trimetaphosphate (STMP)

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

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, easily soluble in water, insoluble in alcohol, without buffer and chelation.

Uses: In the food industry, it is used as starch modifier, juice turbidity inhibitor, water retention agent, water softener, meat binder, dispersant, stabilizer, can prevent food discoloration and vitamin C decomposition, etc., also used as water quality Softeners, bleaches, detergents, etc.

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

[Table unit: %]

No.

 Indicator name  

Specification

1

Exterior

  

 white crystalline powder

 2 

Sodium Trimetaphosphate (as (NaPO3)3)

≥

99.0

 3 

PH value (10g/L aqueous solution)

  

6.0-9.0

4

Heavy metals (as Pb)

≤

0.001

5

Arsenic (as As)

  

0.0003

 6 

Fluoride (as F)

  

0.001

 7 

Water insoluble matter

≤

0.05
Keyword:
sodium
trimetaphosphate
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Food grade sodium pyrophosphate (TSPP)
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Sodium Hexametaphosphate (SHMP)

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