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Beijing KangPuHuiWei Technology Co.,Ltd.

Disodium hydrogen phosphate

Author：admin Time：2019-01-04 09:38:38

Disodium hydrogen phosphate dodecahydrate Na2HPO4·12H2O

Alias: disodium phosphate, sodium bisphosphate

Relative molecular Weight:358.14

Properties:Colorless transparent columnarcrystals.In the air easily weathered.The relative density is 1.52.35.0 degreesCelsius melting and dehydration 5 molecular crystal water, 100 ° C intoanhydrous salt, 30 ° C is decomposed into pyrophosphate. Soluble in water. Insoluble inalcohol. Aqueous solution is alkaline.

Product standard number:GB/T 1263-2006

Specifications: Content and content of impurities in %

Test Items	AR	CP
Content	99.0	98.0
Clarity test	Qualified	Qualified
Water insoluble matter	0.005	0.01
Chloride（Cl）	0.001	0.003
Sulfate（SO4）	0.01	0.03
Nitrogen compound（N）	0.002	0.005
Potassium（K）	0.01	00.1
Iron （Fe）	0.0005	0.001
Arsenic （As）	0.0005	0.002
Heavy metals（以Pb计）	0.0005	0.001

Usage:It can be use as analysis of reagents,Suchas the configuration PH value of the standard solution and buffer.Also used forfabric and wood fire retardant and Exothermic Welding Metal preparation.

AR grade disodium hydrogen phosphate Quality Assurance

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