有吸湿性。溶于水。在酸性溶液中煮沸,水解成正磷酸盐。半数致死量(大鼠,经口)6.5g/kg。有刺激性。 白色粉末或颗粒状固体。能溶于水,对碱金属与重金属盐有络合能力,能软化硬水,可调节缓冲皂化值的pH值,1%溶液pH值为9.7,具有离子交换性能,使悬浮液变成溶液。 三聚磷酸钠用于洗涤剂,作为助剂、肥皂增效剂及防止条皂结晶和起霜 ,工业用水软水剂 、制革预鞣剂、染色助剂、油井掘泥控制剂,制纸用油污防止剂,油漆、高岭土、氧化镁、碳酸钙等悬浮液处理的有效分散剂。食用级三聚磷酸钠可作为各种鱼肉制品的食品改良剂,饮料的澄清剂。
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Sodium tripolyphosphate
Dangerous GoodsCAS number:7758-29-4 molecular formula:Na5P3O10
overview
compound introduction
Specs
| Chinese alias | 三磷酸五钠 | 三磷酸五钠五元 | 三聚磷酸五钠 | 三聚磷酸钠 五元 | 三磷酸五钠 五元 | ||
| English alias | Pentasodium triphosphate | STPP | Triphosphoric acid, pentasodium salt | ||
| CAS number | 7758-29-4 | molecular formula | Na5P3O10 |
| molecular weight | 367.86 g/mol | Exact mass | AR |
| PSA | 185.000 Ų | logp | - |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
WGK Germany:
1
Personal protective equipment:
dust mask type N95 (US),Eyeshields,Gloves
RTECS:
YK4570000
UN Number:
3262
Packing Group:
Ⅰ
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
7758-29-4 | Sodium tripolyphosphate.pdf





