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88431

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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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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

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