FOOD ADDITIVES

Food Additives

FOOD ADDITIVES

Trisodium Phosphate

磷酸三钠(TSP)

Trisodium Phosphate

化学式:Na3PO4.nH2O(n=0,12)

Chemical formula:Na3PO4.nH2O(n=0,12)
分子量(Molecular weight):Na3PO4.12H2O--380.14,Na3PO4--163.97

英文别名:trisodium orthophosphate

CAS号:7758-79-4/10101-89-0

执行标准:HG/T2517-1993(工业级)  GB25565-2010(食品级)

Standard executed:HG/T2517-1993(Tech grade) GB25565-2010(Food grade)

性状:外观为白色或无色粒状结晶,易风化,易溶于水,不溶于有机溶剂,水溶液呈碱反应,相对密度1.62g/cm³,熔点73.4℃。

Property:White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline,  relative density at 1.62g/cm³, melting point is 73.4℃


技术指标:Technical Specifications:

序号No.

指标名称Specifications

无水物

Na3PO4

12水物

Na3PO4.12H2O

工业级

Tech Grade

食品级

Food Grade

工业级Tech Grade

食品级

Food Grade

1

  外观Appearance

白色粉末

  White Powder

白色或无色粒状晶体

White or colorless crystal

2

  主含量

   Main contents       %≥

98.0

98.0

98.0

98.0

3

  五氧化二磷

  Phosphorus%≥

39.50

39.50

18.30

18.30

4

  甲基橙碱度

  Sodium oxide, as Na2O%≥

36-40

36-40

15.5-19

15.5-19

5

  硫酸盐

   Sulfate(as SO4)% ≤

 0.25

 0.25

 0.5

0.5

6

  PH值

  PH value

11.5-12.5

11.5-12.5

11.5-12.5

11.5-12.5

7

  水不溶物

   Water insoluble    % ≤

 0.1

0.1

 0.1

0.1

8

  重金属(以铅计)

   Heavy metals(as Pb)% ≤

 

0.001

 

0.001

9

  砷

   Arsenic(as As)% ≤

 

0.0003

 

0.0003

10

  氯化物

  Fluoride(as F)% ≤

 

0.005

 

0.005



用途:在工业中用于软水处理、日用化工、电镀磷化、印染固色、搪瓷助熔及制革脱脂等。在食品中用作乳化剂,营养剂和品质改良剂。

Uses: Applied in industry as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on; In food,  it is mainly used as  emulsification agent, and nutrition ingredients , and quality improver, etc.

包装:内塑外编,每袋净重25 Kg、 50Kg 、1000Kg,贮于通风干燥处。

Packing:Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.

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