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224820

Sigma-Aldrich

Ammonium hydrogen difluoride

reagent grade, 95%

Synonym(s):

Ammonium bifluoride, Etching powder

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About This Item

Linear Formula:
NH4HF2
CAS Number:
1341-49-7
Molecular Weight:
57.04
EC Number:
215-676-4
MDL number:
MFCD00012018
UNSPSC Code:
12352300
eCl@ss:
38050109
PubChem Substance ID:
329752320
NACRES:
NA.55
assay:
95%
grade:
reagent grade
form:
crystals
flakes
Pricing and availability is not currently available.

grade

reagent grade

Quality Level

100

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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1 of 4

This Item
459119115746115754
4-Amino-2,2,6,6-tetramethylpiperidine 98%

115738

4-Amino-2,2,6,6-tetramethylpiperidine

2,2,6,6-Tetramethyl-4-piperidone 95%

459119

2,2,6,6-Tetramethyl-4-piperidone

2,2,6,6-Tetramethyl-4-piperidinol 98%

115746

2,2,6,6-Tetramethyl-4-piperidinol

2,2,6,6-Tetramethylpiperidine ≥99%

115754

2,2,6,6-Tetramethylpiperidine

assay

98%

assay

95%

assay

98%

assay

≥99%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

mp

16-18 °C (lit.)

mp

34-38 °C (lit.)

mp

129-131 °C (lit.)

mp

-

density

0.912 g/mL at 25 °C (lit.)

density

-

density

-

density

0.837 g/mL at 25 °C (lit.)

refractive index

n20/D 1.470 (lit.)

refractive index

-

refractive index

-

refractive index

n20/D 1.445 (lit.)

bp

188-189 °C (lit.)

bp

102-105 °C/18 mmHg (lit.)

bp

212-215 °C (lit.)

bp

152 °C (lit.)

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.[1]

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

hcodes

H301,H314

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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    BCCG6723
    BCCF2181
    MKCM1495
    MKCL2775
    MKCK2424

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