Home Categories Inorganic chemistry Ammonium bifluoride
A0693212

Ammonium bifluoride , AR,98% , 1341-49-7

Synonym(s):
Ammonium bifluoride;Ammonium Hydrogen Fluoride;Etching powder

CAS NO.:1341-49-7

Empirical Formula: F2H5N

Molecular Weight: 57.04

MDL number: MFCD00012018

EINECS: 215-676-4

Update time: 2022-07-08

PRODUCT Properties

Melting point: 125 °C(lit.)
Boiling point: 230 °C
Density  1,5 g/cm3
vapor pressure  1 hPa (20 °C)
Flash point: 238°C
storage temp.  Store at room temperature.
solubility  630g/l
form  Solid
pka 6.3[at 20 ℃]
Specific Gravity 1.5
color  White
PH 2 (5.7g/l, H2O, 20℃)
Odor acidic odor
Water Solubility  630 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,498
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3
Stability: hygroscopic
InChIKey KVBCYCWRDBDGBG-UHFFFAOYSA-N

Description and Uses

In manufacture of Mg and Mg alloys; in brightening of Al; for purifying and cleansing various parts of beer-dispensing apparatus, tubes, etc., sterilizing dairy and other food equipment; in glass and porcelain industries; as mordant for aluminum; as a "sour" in laundering cloth. In lab production of HF.

Safety

Symbol(GHS) 
GHS05,GHS06
Signal word  Danger
Hazard statements  H301-H314
Precautionary statements  P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  T,C
Risk Statements  25-34
Safety Statements  22-26-37-45-36/37/39
RIDADR  UN 1727 8/PG 2
WGK Germany  1
RTECS  BQ9200000
3-9
Hazard Note  Toxic/Corrosive/Hygroscopic
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  28261910

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