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204005

Sigma-Aldrich

Ammonium dihydrogenphosphate

99.999% trace metals basis

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Synonym(s):
Ammonium phosphate monobasic, 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.23

Quality Level

Assay

99.999% trace metals basis

form

crystalline

impurities

≤15.0 ppm Trace Metal Analysis

mp

190 °C (dec.) (lit.)

application(s)

battery manufacturing

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
216003795461A3048
Ammonium phosphate monobasic ACS reagent, ≥98%

Sigma-Aldrich

216003

Ammonium phosphate monobasic

Essential Grade
form

crystalline

form

crystals or chunks

form

powder

form

powder

impurities

≤15.0 ppm Trace Metal Analysis

impurities

≤0.005% NH4OH pptd., ≤0.005% insolubles

impurities

≤0.005% NH4OH pptd., ≤0.005% insolubles

impurities

-

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

mp

190 °C (dec.) (lit.)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

application(s)

battery manufacturing

application(s)

-

application(s)

-

application(s)

-

General description

Ammonium dihydrogenphosphate is a white crystalline solid widely applied in rechargeable batteries, non-linear optics, and fire-retardant coatings. It is insoluble in ethanol and acetone.

Application

Ammonium dihydrogenphosphate can be used:
  • As a precursor to fabricate cathode materials for Li-ion batteries to enhance cyclic performance.
  • As an electrolyte additive in rechargeable batteries to enhance the ionic conductivity or to reduce the risk of side reactions within the electrolyte.
  • To fabricate flame-retardant polymer composites.

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

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