Tetra Sodium Pyrophosphate - FOOD ADDITIVES - PRODUCT - CXCHEM

FOOD ADDITIVES

Food Additives

FOOD ADDITIVES

Tetra Sodium Pyrophosphate

焦磷酸钠(TSPP)

Tetra Sodium Pyrophosphate

化学式:Na4P2O7 

Chemical formula:Na4P2O7 

分子量:265.9

Molecular weight:265.9

英文别名:Disodium dihydrogenpyrophosphate

CAS号:7722-88-5

执行标准:HG/T2968-1988(工业级), GB8848-88(食品级)

Standard executed:HG/T2968-1988(Tech grade), GB8848-88(Food grade)

性状:白色粉末,易溶于水,不溶于醇,相对密度2.45g/cm³,熔点890℃,水溶液呈弱碱性,在空气中易潮解,水溶液在70℃下较稳定,煮沸则水解成磷酸氢二钠。

Property:White powder, easily soluble in water but insoluble in ethanol; Density at 2.45g/cm³ and melting point at 890℃; Deliquescent in the open air. The water solution shows weak alkalinity and stable at 70℃, but will be hydrolyzed into disodium phosphate when boiled.

技术指标:Technical Specifications:

序号No

指标名称Specifications

工业级Industrial grade

食品级Food grade

1

  外观Appearance

白色粉末White Powder

2

  主含量

  Assay(as Na4P2O7)               %≥

96.5

96.5

3

  五氧化二磷

   Phosphorus pentoxide(P2O5)           %≥

51.5

51.5

4

  氟化物

  F                                 % ≤

-

0.005

5

   PH值(1%水溶液)

  PH value of 1% solution

9.9—10.7

9.9-10.7

6

  水不溶物

  Water insoluble                      % ≤

0.2

0.2

7

  重金属

  Heavy metals, as  Pb                 %≤

0.01

0.001

8

  砷

   Arsenic, as As                         %≤

0.01

0.0003

9

  灼烧失重

   Loss on ignition                       %≤

0.5

0.5


用途:在工业中用于洗涤助剂,造纸漂白,电镀工业;在食品中用作缓冲剂,乳化剂,营养剂和品质改良剂等。

Uses: Applied in industry as detergent auxiliary , paper production to bleach and electroplating. In food,  it is mainly used as buffering agent,  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.

CONTACT US

  • +86-838-2222371/5963618
  • +86-2222370 /2222383
  • info@cxchem.net