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Merck

224820

Ammonium hydrogen difluoride

reagent grade, 95%

Synonym(s):

Ammonium bifluoride, Etching powder

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About This Item

Linear Formula:
NH4HF2
CAS Number:
Molecular Weight:
57.04
PubChem Substance ID:
eCl@ss:
38050109
UNSPSC Code:
12352300
NACRES:
NA.55
EC Number:
215-676-4
MDL number:
Assay:
95%
Grade:
reagent grade
Form:
crystals, flakes
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grade

reagent grade

Quality Segment

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

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.


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pictograms

Skull and crossbonesCorrosion

signalword

Danger

hcodes

Hazard Classifications

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

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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