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88431

Supelco

Ammonium phosphate monobasic

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
EC Number:
231-764-5
MDL number:
MFCD00003396
UNSPSC Code:
85151701
PubChem Substance ID:
329769652
NACRES:
NA.24
Pricing and availability is not currently available.

grade

analytical standard

Quality Level

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

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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)

Caution

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL6816
BCCM3370
BCCL1570
BCCJ7879
BCCH4402

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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
Xiaojuan Ren et al.
Rapid communications in mass spectrometry : RCM, 35(4), e9004-e9004 (2020-11-15)
Although the identification of degradation products of cefpirome sulfate has been reported, there has been no report concerning the impurities in bulk samples of this compound. To meet the requirements of the International Council for Harmonization of Technical Requirements for
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
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
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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