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Ammonium hydrogen difluoride

Name: Ammonium hydrogen difluoride
Brand: MM

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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Properties

vapor pressure

1 hPa ( 20 °C)

Quality Segment

200

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

Description

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Signal Word

Danger

Precautionary Statements

P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363

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

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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