A1167
Ammonium phosphate dibasic
ACS reagent, pH 7.7-8.1 (25 °C, 5% in solution), ≥98.0%
Synonym(s):
Ammonium hydrogenphosphate, Diammonium hydrogenphosphate, di-Ammonium hydrogenphosphate (sec)
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About This Item
Linear Formula:
(NH4)2HPO4
CAS Number:
Molecular Weight:
132.06
EC Number:
231-987-8
UNSPSC Code:
12352300
MDL number:
grade
ACS reagent
assay
≥98.0%
impurities
≤0.005% Ammonium hydroxide precipitate, ≤0.005% Insoluble matter
pH
7.7-8.1 (25 °C, 5% in solution)
mp
155 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.003%, sulfate (SO42-): ≤0.01%
cation traces
Na: ≤0.005%, heavy metals (as Pb): ≤0.001%, Fe: ≤0.001%, K: ≤0.005%
SMILES string
N.N.OP(O)(O)=O
InChI
1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)
InChI key
MNNHAPBLZZVQHP-UHFFFAOYSA-N
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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