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09839

Sigma-Aldrich

Ammonium phosphate dibasic

BioUltra, ≥99.0% (T)

Sinónimos:

Ammonium hydrogenphosphate, Diammonium hydrogenphosphate, di-Ammonium hydrogenphosphate (sec)

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About This Item

Fórmula lineal:
(NH4)2HPO4
Número de CAS:
7783-28-0
Peso molecular:
132.06
EC Number:
231-987-8
MDL number:
MFCD00010891
UNSPSC Code:
12161700
PubChem Substance ID:
329748847
NACRES:
NA.25

product line

BioUltra

Quality Level

200

assay

≥99.0% (T)

impurities

insoluble matter, passes filter test

pH

7.5-9.0 (25 °C, 1 M in H2O)

mp

155 °C (dec.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤10 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.065
λ: 280 nm Amax: 0.065

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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Application

Ammonium phosphate dibasic can be used to study x-ray crystallography, biological buffers, optimization reagents, proteomics and protein structural analysis. Ammonium phosphate dibasic has been used in a study for the development and validation of a stability-indicating HPLC method for determination of voriconazole and its related substances. Ammonium phosphate dibasic has also been used to crystallize the native enzyme cellobiohydrolase IB using the hanging-drop vapour-diffusion method.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCH1482
BCCH1480
BCCD8538
BCCD7856
BCBZ9025

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Alice Grassick et al.
Acta crystallographica. Section D, Biological crystallography, 59(Pt 7), 1283-1284 (2003-07-02)
Cellobiohydrolase IB is the first native enzyme from the filamentous fungus Talaromyces emersonii to be crystallized. It is a highly thermostable exo-acting enzyme. The native enzyme (MW = 56 kDa) was crystallized using the hanging-drop vapour-diffusion method with ammonium phosphate
Yogambha Ramaswamy et al.
Bioactive materials, 6(4), 1107-1117 (2020-10-27)
Surface topography is one of the key factors in regulating interactions between materials and cells. While topographies presented to cells in vivo are non-symmetrical and in complex shapes, current fabrication techniques are limited to replicate these complex geometries. In this
Nathan K Deed et al.
Applied microbiology and biotechnology, 89(5), 1537-1549 (2011-01-20)
Two deletion mutants expected to be defective in nitrogen catabolite repression (NCR) were constructed in a commercial wine yeast background M2: a ure2 mutant and a dal80 gzf3 double mutant. Wild-type and both mutant strains were fermented in Sauvignon Blanc
Catarina Barbosa et al.
International journal of food microbiology, 160(2), 87-93 (2012-11-28)
Sulphur-containing amino acids, cysteine and methionine, are generally found in very low concentrations in grape-juice. The objective of this study was to identify the effects of methionine on aroma compounds formation. Nitrogen source effects on growth, fermentative behaviour and aroma
Anelise Rodolfo Ferreira Pieralini et al.
The Journal of prosthetic dentistry, 108(1), 51-57 (2012-07-07)
Coatings of zirconite, Y(2)O(3) or ZrO(2) on wax patterns before investing in phosphate-bonded investments have been recommended to reduce the reaction layer in titanium castings, but they are not easily obtainable. Spinel-based investments are relatively stable with molten titanium and
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