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1.01160

Ammonium hydrogen difluoride

pure

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
UNSPSC Code:
12352302
NACRES:
NA.21
MDL number:
MFCD00012018
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vapor pressure

1 hPa ( 20 °C)

Quality Segment

pH

2 (20 °C, 5.7 g/L in H2O)

bp

>238 °C/1013 hPa (decomposition)

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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Signal Word

Danger

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

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Hazard Codes

H301,H314

Storage Class

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

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