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224820

Sigma-Aldrich

Ammonium hydrogen difluoride

reagent grade, 95%

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Synonym(s):
Ammonium bifluoride, Etching powder
Linear Formula:
NH4HF2
CAS Number:
Molecular Weight:
57.04
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38050109
PubChem Substance ID:
NACRES:
NA.55

grade

reagent grade

Quality Level

Assay

95%

form

crystals
flakes

mp

125 °C (lit.)

SMILES string

N.F.F

InChI

1S/2FH.H3N/h2*1H;1H3

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N

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Application

Employed in a new hydrothermal synthesis of complex flourides NaHoF4 and NaEuF4 these interesting compounds have the fluorite structure and are important forsolid-state lasers as well as for photoluminescence and magnetic characteristics.

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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