Home > Sodium dihydrogen phosphate

Sodium dihydrogen phosphate

CAS number
13472-35-0
Molecular weight
156.01
Molecular formula / chemical symbol
NaH2PO4.2H2O

Description

Apearances: Colorless or white crystalline powder. The 100 ℃ lose all crystal water. Burning becomes sodium metaphosphate. Soluble in water, almost insoluble in alcohol, its aqueous solution is acidic.

USES

Buffering agent, water softener, manufacturing hexametaphosphate sodium phosphate and sodium pyrophosphate, the determination of magnesium, formulated modified White medium haploid breeding.

Molecular biology grade for gel electrophoresis - rubber buffer component for denaturing gel containing formaldehyde.

Keywords:Surface treatment chemicals

Report

TEST ITEMS

TEST RESULT

AR

CP

NaH2PO4·2H2O

≥99.0

98.0

Aqueous reaction

Qualified

Qualified

Clarity Test

Qualified

Qualified

Water insoluble matter

≤0.01

0.02

Chloride (Cl)

≤0.005

0.01

Sulfate (SO4)

≤0.005

0.01

Nitrate (NO3)

≤0.001

0.002

K

≤0.001

0.002

Fe

≤0.001

0.005

As

≤0.0002

0.0005

Heavy metals (as Pb)

≤0.001

0.005

Ammonia precipitate

0.01

0.02