MilliporeSigma
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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
Linear Formula:
NH4H2PO4
CAS Number:
Molecular Weight:
115.03
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

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.

Packaging

25 g

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

13 - Non 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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

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