Sodium Tripolyphosphate(STPP)
Inquiry
Post Date: | May 30,2013 |
Expiry Date: | Nov 26,2013 |
Detailed Description: |
Cas No. :7758-29-4
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 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 . |
CAS Registry Number: | 7758-29-4 |
Synonyms: | ;pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1); |
Molecular Formula: | Na5P3O10 |
Molecular Weight: | 367.86413 |
Molecular Structure: | |
Hazard Symbols: | Xi:Irritant; |
Risk Codes: | R36/37/38:; |
Safety Description: | S24/25:; |
Company: | Sichuan Shifang Yuecheng Phosphate Chemical Co., Ltd. [ China ] |
Contact: | MR LU |
Tel: | 86-838-8308088 8308078 83080 |
Fax: | 86-838-8305189 |
Email: | ljgyuecheng@yahoo.com.cn |
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