info@titanunichem.com

English 简体中文 Español
• Current page :
HOME >> Industrial Chemicals >> Phosphates >> Sodium Tripolyphosphate (STPP)
Search
Sodium Tripolyphosphate (STPP)
❤ Add to collection

Sodium Tripolyphosphate (STPP)

￥0.00
0.00
￥0.00
￥0.00
Weight：0.00KG
Quantity：
Buy now
Add to cart
Description
Sodium Tripolyphosphate, STPP;
Na5P3O10, CAS no.7758-29-4;
White granular powder;
Water softener, retentive agent;
Leather pre-tanning, dispersant
Chemical Identification

Common Name:

Sodium Tripolyphosphate (STPP)




Synonyms:

STPP;

Pentasodium Tripolyphosphate;

Sodium Phosphate Tripoly;

Sodium Tripolyphos;

Triphosphoric acid, pentasodium salt;

CAS No.:

7758-29-4

EINECS No.:

231-838-7

Appearance:

White granular powder

Density:

0.9

Melting Point:

622ºC

Stability:

Incompatible with strong oxidizing agents, strong acids. Hygroscopic.

Molecular Formula:

Na5P3O10

Molecular Weight:

367.86



Molecular Structure:


Product Information

Specifications:

Specifications of Sodium Tripolyphosphate (Food grade)

Product name: Sodium Tripolyphosphate (Food Grade)

Manufacturer: Ningbo Titan Unichem Co., Ltd.

TEST ITEMS

SPECIFICATIONS

Appearance

White powder

Purity of Na5P3O10

95% Min

P2O5

57.0% min

PH of 1% solution

9.5-10.0

Moisture

0.5% max

Water insoluble

0.05% max

Fe

0.01% max

As

0.0003% max

F

0.003% max

Cl

0.025% max

SO4

0.4% max

Heavy metals, as Pb

0.001% max

Whiteness

85% min

Bulk Density 

0.7-0.9


Specifications of Sodium Tripolyphosphate (Industrial grade)

Product name: Sodium Tripolyphosphate (Industrial Grade)

Manufacturer: Ningbo Titan Unichem Co., Ltd.

TEST ITEMS

SPECIFICATIONS

Appearance

White powder

Purity of Na5P3O10

94.0% Min

P2O5

56.5 % min

PH of 1% solution

9.2-10.2

Fe

0.15% max

Moisture

1.0% max

Water insoluble

0.10% max

Whiteness

85% min

Bulk Density 

0.7-1.0


Pictures:

 

Package of Sodium Tripolyphosphate from TITAN UNICHEM.

 

Package of Sodium Tripolyphosphate from TITAN UNICHEM.

Packaging:

  • Packed in 25Kg PP-PE woven bag, 1000kg jumbo bag;

  • Or package as per customer's request.

Delivery Lead Time:

  • Prompt shipment within 2 weeks.

Storage & Handling:

  • Store in a cool, dry, well-ventilated area.

  • Keep away from moisture and heat.

  • Store in a tightly closed container.

Safety Information:

Safety Statements:

S24/25

HS Code:

2835319000

Risk Statements:

R36/37/38

Hazard Codes:

Xi: Irritant


Application

Descriptions:

  • STPP is white microdot powder with luster.

  • STPP is easily soluble in water, its water solution is alkaline.

  • STPP is a surfactant, and has got outstanding emulsification to lubricants and fat.

  • STPP has got salient chelating capacity to Ca and Mg ions, and soften hard water to make suspension solution become into clear solution;

Uses:

  • STPP is used as quality improver, water retentive agent in the process of meat product, fruit juice drinks, beer, dairy products etc;

  • STPP adjusts the quality and intensify function of soybean albumen, soften the scarfskin of horsebean and fruit vegetable;

  • STPP can tender the meat and enhance glutinosity of ham and canned foods, increase weight and keep fresh of seafood;

  • STPP is used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent;

  • STPP is one dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud;

  • STPP is also used as preservative agent for paper making, organic synthesis catalyze;

  • STPP is used in epuration of petroleum product, gum latex storage;

  • STPP is used as dispersant in metal industry and pharmaceutical industry.

  • STPP also prevents protein from curds, sedimentation of dairy product, drinks from oxidation, change color, decomposition of Vitamin C.