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88431

Supelco

Ammonium phosphate monobasic

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

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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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1 of 4

This Item
A1645216003795461
Ammonium phosphate monobasic analytical standard, for nitrogen determination according to Kjeldahl method, ≥99.5%

Supelco

88431

Ammonium phosphate monobasic

-
Ammonium phosphate monobasic ACS reagent, ≥98%

Sigma-Aldrich

216003

Ammonium phosphate monobasic

Essential Grade
technique(s)

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

technique(s)

-

technique(s)

-

technique(s)

-

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

application(s)

food and beverages

application(s)

-

application(s)

-

application(s)

-

format

neat

format

-

format

-

format

-

description

traceable to NIST SRM 194

description

-

description

-

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)

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

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T1503
Product Number
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25G
Pack Size/Quantity

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

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