Trisodium Phosphate

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磷酸三钠(TSP)

Trisodium Phosphate

化学式：Na3PO4.nH2O(n=0,12)

Chemical formula：Na3PO4.nH2O(n=0,12)
分子量(Molecular weight)：Na3PO4.12H2O--380.14,Na3PO4--163.97

英文别名：trisodium orthophosphate

CAS号：7758-79-4/10101-89-0

执行标准：HG/T2517-1993(工业级） GB25565-2010（食品级）

Standard executed:HG/T2517-1993(Tech grade） GB25565-2010（Food grade）

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，相对密度1.62g/cm³，熔点73.4℃。

Property：White or colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline, relative density at 1.62g/cm³, melting point is 73.4℃

技术指标：Technical Specifications：

序号No.	指标名称Specifications	无水物 Na3PO4		12水物 Na3PO4.12H2O
序号No.	指标名称Specifications	工业级 Tech Grade	食品级 Food Grade	工业级Tech Grade	食品级 Food Grade
1	外观Appearance	白色粉末 White Powder		白色或无色粒状晶体 White or colorless crystal
2	主含量 Main contents %≥	98.0	98.0	98.0	98.0
3	五氧化二磷 Phosphorus%≥	39.50	39.50	18.30	18.30
4	甲基橙碱度 Sodium oxide, as Na2O%≥	36-40	36-40	15.5-19	15.5-19
5	硫酸盐 Sulfate(as SO4)% ≤	0.25	0.25	0.5	0.5
6	PH值 PH value	11.5-12.5	11.5-12.5	11.5-12.5	11.5-12.5
7	水不溶物 Water insoluble % ≤	0.1	0.1	0.1	0.1
8	重金属（以铅计） Heavy metals(as Pb)% ≤		0.001		0.001
9	砷 Arsenic(as As)% ≤		0.0003		0.0003
10	氯化物 Fluoride(as F)% ≤		0.005		0.005

用途：在工业中用于软水处理、日用化工、电镀磷化、印染固色、搪瓷助熔及制革脱脂等。在食品中用作乳化剂，营养剂和品质改良剂。

Uses: Applied in industry as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on; In food, it is mainly used as emulsification agent, and nutrition ingredients , and quality improver, etc.

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

Packing：Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.

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