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langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
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trisodium phosphate anhydrous

molecular formula: na3po4·12h2o
molecular weight: 380.12
cas no: 10101-89-0
properties: colorless or white crystal. specific gravity is 1.62(20℃). soluble in water, insoluble n ethyl alcohol and carbon disulfide. weathering in the dry air.
uses: as analytical reagent, water softener and detergent for chemical, textile, printing and dyeing, papermaking, and other industries, boiler compound, metal rust remover, and etc.
standard: the maximum content of impurities is in percentage content

specifications/item

analytically pure-ar

chemically pure-cp

high purity

for water treatment

assay(na3po4·12h2o)/%

≥98.0

≥97.0

≥98.0

≥98.0

clarity test

qualified

qualified

free alkali

≤1.5

≤3.0

disodium salt

≤0.5

≤1.0

chloride(cl)

≤0.005

≤0.005

≤0.3

sulfate(so4)

≤0.01

≤0.03

≤0.5

≤0.5

nitrogen compound(n)

≤0.002

≤0.005

iron (fe)

≤0.0005

≤0.002

arsenic (as)

≤0.0003

≤0.001

≤0.0005

≤0.005

heavy metal (pb)

≤0.001

≤0.002

≤0.002

phosphorus pentoxide (p2o5)

≤18.3

methyl orange alkalinity

15.5~19

16~19

water insoluble matter

≤0.1

packing: woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg.

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langfang tianke biotechnology co., ltd.
add: sanghang industrial park, dacheng county,
hebei, china
tel: 86-15076659665 manager ma
fax: 86-316-5569332 
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