工业级98%磷酸三钠

磷酸三钠Tri-Sodium Phosphate (TSP)

化学式： Na3PO4. nH2O (n=0,12)

分子量： 380.14

执行标准： HG/T2517-1993

性状：

外观为白色或无色粒状结晶，易风化，易溶于水，不溶于有机溶剂，水溶液呈碱反应，1%水溶液PH值为12.1，相对密度1.62，熔点73.4℃。

用途：

软水处理、日用化工、电镀磷化、印染固色、搪瓷助熔及制革脱脂等。

包装贮存：

内塑外编袋、纸袋，每袋净重25Kg、50Kg、1000Kg，贮于通风干燥处。

技术指标

序号 指标名称 无水物

Na3PO4 十二水物

Na3PO4.12H2O

工业级 食品级 工业级 食品级

1 外观 白色粉末 白色粒状晶体

2 主含量%≥ 98.0 98.0 98.0 98.0

3 五氧化二磷(以P2O5计)%≥ 39.5 39.5 18.3 18.3

4 甲基橙碱度（以Na2O计） 36-40 36-40 15.5-19 15.5-19

5 硫酸盐%≤ 0.25 0.5 0.5

6 重金属（以Pb计）%≤ 0.001 0.001

7 砷（以As计）%≤ 0.0003 0.0003

8 氟化物（以F计）%≤ 0.005 0.005

9 水不溶物%≤ 0.10 0.10 0.10 0.10



Tri-Sodium Phosphate(TSP)

Chemical formula: Na3HPO4. nH2O (n=0,12)

Molecular weight: 380.14

Standard executed: HG/T2517-93

CAS Number: 7758-79-4

Properties:

White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3, melting point is 73.4 ℃.

Application:

Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.

Packing and storage:

In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.

Guaranteed Technical Specifications :

No. Specifications Na3PO4 Na3PO4 .12H2O

Industrial

grade Food

grade Industrial

grade Food

grade

1 Apearance white powder white or colorless crystal powder

2 Main contents% ≥ 98.0 98.0 98.0 98.0

3 Phosphorus pentoxide(P2O5)%≥ 39.5 39.5 18.3 18.3

4 Sodium oxide, as Na2O 36-40 36-40 15.5-19 15.5-19

5 Sulfate, as SO4 % ≤ 0.25 0.5 0.5

6 Heavy metal, as Pb% ≤ 0.001 0.001 0.001

7 Arsenic, as As% ≤ 0.0003 0.0003 0.0003

8 Fluor

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