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88431

Ammonium phosphate monobasic

Name: Ammonium phosphate monobasic
Brand: SIAL

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

Synonym(s):

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

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About This Item

Linear Formula:

NH₄H₂PO₄

CAS Number:

7722-76-1

Molecular Weight:

115.03

NACRES:

NA.24

PubChem Substance ID:

329769652

UNSPSC Code:

85151701

EC Number:

231-764-5

MDL number:

MFCD00003396

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Properties

grade

analytical standard

Quality Segment

100

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

SMILES string

N.OP(O)(O)=O

InChI

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

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N

Description

General description

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

Application

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

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)

Disclaimer

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

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c