Product Specifications
| Prod Model: |
96%/94%/90% |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Item: |
Sodium Tripolyphosphate |
| CAS No.: |
7758-29-4 |
| Einecs No.: |
231-838-7 |
| Melting Point: |
622 |
| Density: |
0.35~0.90g/cm3 |
| PH: |
9.2-10.0 |
| Water Solubility: |
20 G/100 Ml (20°c) |
| Appearance: |
White Powder or Granules |
| Whiteness: |
90 |
| P2o5: |
57%Max |
| Type: |
Sodium Tripolyphosphate |
| Grade Standard: |
Food Grade |
Product Description
Sodium tripolyphosphate (STPP)(food grade, industrial grade)
Specifications:
Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather makin
Sodium Tripolyphosphate(STPP)
Byname: Pent-sodium Phosphate
Molecular formula: Na5P3O10
Molecular Weight: 367.86
Standard executed: GB/T9983-2004(technical grade) QB1034-91(food grade)
CAS Number: 7758-29-4
Packing and storage: In 25Kg, 50 Kg, 1000 Kg bage, store at a cool, dry and well ventilated place.
Properties:
White powder; Melting point 622° C; Easily soluble in water; It has got salient chelating capacity to ions of Ca and Mg etc. And can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got outstanding emulsification to lubricants and fat. It has different bulk density, i. e. Low density 0.35-0.5g/cm3, medium density 0.51-0.65g/cm3 and high density 0.66-0.9g/cm3. This product has two crystalline forms, namely Type I (high temperature type) and Type II (low temperature type). The chemical properties of the two types are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving.
Uses:
Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.
| ITEM | Food Grade |
| Na5P3O10 (%): | 95Min |
| P2O5 (%): | 57Max |
| Insolubles in water (%): | 0.05Max |
| Fe (%): | N |
| Ph (1% solution): | 9.5-10 |
| Heavy Metal (As Pb) (%): | 0.001Max |
| Arsenic (As) (%): | 0.0003Max |
| Fluoride(F) (%): | 0.003Max |
| Whiteness(%): | 90Min |
| Density | 0.35-0.9 |
| I type content (%) | 10-30 |
Nanjing Yundun Chemicals Co., Ltd. is located in the scenic historic city of Nanjing, which is the ancient capital of six dynasties with countless historical sites, traffic is very convenient with high-speed railways throughout north and south.
Yundun Chemicals is affiliated with Nanjing Yuntaishan Chemical Group, is a large enterprise with production and sales. Mainly produce sulfuric acid, phosphate fertilizers, etc. In recent years, in order to meet the needs of agricultural fertilizers in Jiangsu and Zhejiang Provinces, we have established good cooperative relations with Yuntianhua Group, Guangxi Luzhai company, Hebei Yangmei Zhengyuan chemical and Shandong Kedi chemial. Mainly responsible for the sales and export business of diammonium phosphate, monoammonium phosphate, compound fertilizers, urea and phosphoric acid.
We also established a good working relationships with a number of authoritative chemical testing organizations, import and export commodity inspection organizations. Our company has strong technical strength, complete detection equipment. Under the condition of the increasingly competitive market, we stick to the principle of "quality first, small profits", expecting to establish a frank, sincere cooperation, mutual reciprocity and mutual benefit partnership with new and old customers at home and abroad.
Our company has always been to put the product quality as a carrier, rely on price advantage, wholeheartedly to create entity integrity, open up the source of efficiency for the domestic and foreign new and old customers.
Sincerely hope to have sincere cooperation with the new and old customers at home and abroad, so as to create a better bright future.
