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09839

Sigma-Aldrich

Ammonium phosphate dibasic

BioUltra, ≥99.0% (T)

Sinônimo(s):

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

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About This Item

Fórmula linear:
(NH4)2HPO4
Número CAS:
7783-28-0
Peso molecular:
132.06
Número CE:
231-987-8
Número MDL:
MFCD00010891
Código UNSPSC:
12161700
ID de substância PubChem:
329748847
NACRES:
NA.25

linha de produto

BioUltra

Nível de qualidade

200

Ensaio

≥99.0% (T)

Impurezas

insoluble matter, passes filter test

pH

7.5-9.0 (25 °C, 1 M in H2O)

pf

155 °C (dec.) (lit.)

solubilidade

H2O: 1 M at 20 °C, clear, colorless

traços de ânion

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

traços de cátion

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

Absorção UV

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

cadeia de caracteres SMILES

N.N.OP(O)(O)=O

InChI

1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

chave InChI

MNNHAPBLZZVQHP-UHFFFAOYSA-N

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Aplicação

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.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análise (COA)

Lot/Batch Number
BCCH1482
BCCH1480
BCCD8538
BCCD7856
BCBZ9025

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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
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