215996
Ammonium phosphate dibasic
ACS reagent, ≥98%
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
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-987-8
MDL number:
Assay:
≥98%
Grade:
ACS reagent
Form:
crystals or chunks, powder
grade
ACS reagent
Quality Level
assay
≥98%
form
crystals or chunks, powder
impurities
≤0.005% NH4OH pptd., ≤0.005% insolubles
pH
7.7-8.1 (25 °C, 5%)
mp
155 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.003%, sulfate (SO42-): ≤0.01%
cation traces
Ca: 0.001%, Fe: ≤0.001%, K: ≤0.005%, Mg: 0.0005%, Na: ≤0.005%, heavy metals (as Pb): ≤0.001%
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
General description
Ammonium phosphate dibasic is a water-soluble ammonium phosphate salt. It is a key component of phosphate fertilizers. It is commonly used as a flame retardant for plywood, paper, and fabrics, as well as a corrosion inhibitor consolidant for degraded carbonatic materials found in old buildings.
Application
Ammonium phosphate dibasic can be used as a catalyst:
- To synthesize tetrahydrobenzo[b]pyranderivatives via three‐component condensation reaction.
- In the solvent-free Biginelli reactions.
- To synthesize bis(indolyl)methanes via solvent-free reaction of indole derivatives and aromatic or aliphatic aldehydes.
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wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Storage Class
13 - Non Combustible Solids
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Matteo Frasnelli et al.
Acta biomaterialia, 33, 283-289 (2016-01-23)
The beta to alpha transition in tricalcium phosphate (TCP) bioceramics containing different amount of magnesium was studied in the present work. Mg-doped TCP powder was obtained by solid-state reaction starting from pure calcium carbonate, ammonium phosphate dibasic and magnesium oxide
Ash M and Ash I.
Handbook of Green Chemicals, 627-627 (2004)
Hydrothermal synthesis, structures and luminescent properties of nanocrystaline Ca8Gd2(PO4)6O2: Eu2+, Eu3+ phosphors.
Bharat L, et al.
Chemical Engineering Journal, 240, 179-186 (2014)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 215996-100G | 04061838774125 |
| 215996-2.5KG | 04061838774132 |
| 215996-500G | 04061838774149 |