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Merck

88431

Ammonium phosphate monobasic

analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%

Sinónimos:

mono-Ammonium phosphate, prim-Ammonium phosphate, Ammonium dihydrogenphosphate

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Fórmula lineal:
NH4H2PO4
Número CAS:
7722-76-1
Peso molecular:
115.03
NACRES:
NA.24
PubChem Substance ID:
329769652
UNSPSC Code:
85151701
EC Number:
231-764-5
MDL number:
MFCD00003396

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Nombre del producto

Ammonium phosphate monobasic, analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

SMILES string

N.OP(O)(O)=O

grade

analytical standard

description

traceable to NIST SRM 194

assay

≥99.5% (T)
≥99.5%

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable
titration: suitable

impurities

12.18%±0.10% total Kjeldahl nitrogen

loss

≤0.2% loss on drying

pH

3.8-4.4 (25 °C, 50 mg/mL in H2O)

mp

190 °C (dec.) (lit.)

solubility

H2O: soluble, clear, colorless

application(s)

food and beverages

format

neat

Quality Level

100

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Categorías relacionadas

Application

It is used as a standard for nitrogen determination according to Kjeldahl′s method.

Disclaimer

Store at room temperature. We recommend to purge with dried argon or nitrogen after first use to exclude humidity.

Features and Benefits

  • Available in a neat format, in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Offers accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

General description

Ammonium dihydrogen phosphate is an analytical standard produced under rigorous conditions and measured with the highest possible precision.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCD2139
BCCC3333
BCCB4777
BCBX3990
BCBW4880

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Shijing Sun et al.
Materials (Basel, Switzerland), 12(24) (2019-12-11)
Sucrose is one of the most abundantly available renewable chemicals in the world, and it is expected to be utilized as a raw material for wood-based material products. Herein, a novel adhesion system that was based on sucrose and ammonium
Zhongyuan Zhao et al.
Polymers, 11(12) (2019-11-24)
The development of eco-friendly adhesives for wood composite products has been a major topic in the field of wood science and product engineering. Although the research on tannin-based and soybean protein-based adhesives has already reached, or at least nears, industrial
Zhongyuan Zhao et al.
Polymers, 12(1) (2020-01-19)
In this study, a further investigation was carried out on the synthesis mechanism, optimal manufacturing conditions, and curing behavior of a sucrose-ammonium dihydrogen phosphate (SADP) adhesive. The results of 13C nuclear magnetic resonance (NMR) spectroscopy confirmed that SADP was composed
Chao Liang et al.
Journal of chromatography. A, 1528, 25-34 (2017-11-07)
Reversed-phase liquid chromatography (RPLC) based octanol-water partition coefficient (logP) or distribution coefficient (logD) determination methods were revisited and assessed comprehensively. Classic isocratic and some gradient RPLC methods were conducted and evaluated for neutral, weak acid and basic compounds. Different lipophilicity
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
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