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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
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Sodium dihydrogen phosphate anhydrous

Sodium dihydrogen phosphate anhydrous

Molecular formula: NaH2PO4·2H2O
Molecular weight: 156.01
CAS NO: 13472-35-0
Properties: colorless rhombic crystal. Relative density is 2.040 and melting point is 60℃. Soluble in water and insoluble in alcohol.
Uses: as analytical reagent and buffer agent. It can be used in preparing bacteria culture medium, in food, fermentation, leather, boiler water, and other industries.
Standard: The maximum content of impurities is in percentage content

Specifications/item

Analytically pure-AR

Chemically pure-CP

High purity

Assay(NaH2PO4·2H2O)/百分比

≥99.0

≥98.0

≥98.0

PH value (50g/L,25℃)

4.2~4.6

4.2~4.6

4.2~4.6

Clarity test

Qualified

Qualified

Water insoluble matter

≤0.01

≤0.02

≤0.05

Chloride(Cl)

≤0.005

≤0.01

≤0.014

Sulfate(SO4)

≤0.005

≤0.01

≤0.25

Nitrate(NO3)

≤0.001

≤0.002

Ammonium (NH4)

≤0.002

Potassium (K)

≤0.02

≤0.1

Iron (Fe)

≤0.001

≤0.005

Arsenic (As)

≤0.0002

≤0.0005

≤0.005

Heavy metal (Pb)

≤0.001

≤0.005

≤0.002

Ammonia precipitate/百分比

≤0.01

≤0.02

Fluoride(F) /百分比

≤0.005

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

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