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1341-49-7

Name Ammonium hydrogen difluoride
CAS 1341-49-7
EINECS(EC#) 215-676-4
Molecular Formula F2H5N
MDL Number MFCD00012018
Molecular Weight 57.04
MOL File 1341-49-7.mol

Chemical Properties

Appearance white scales or flakes
Melting point  125 °C(lit.)
Boiling point  230 °C
density  1,5 g/cm3
vapor pressure  1 hPa (20 °C)
Fp  238°C
storage temp.  Store at room temperature.
solubility  630g/l
form  Solid
pka 6.3[at 20 ℃]
color  White
Specific Gravity 1.5
Odor acidic odor
PH 2 (5.7g/l, H2O, 20℃)
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
CAS DataBase Reference 1341-49-7(CAS DataBase Reference)
EPA Substance Registry System 1341-49-7(EPA Substance)

Safety Data

Hazard Codes  T,C
Risk Statements 
R25:Toxic if swallowed.
R34:Causes burns.
Safety Statements 
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37:Wear suitable gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
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  28261900
Safety Profile
Caustic poison and strong irritant by all routes. See also HYDROFLUORIC ACID. When heated to decomposition it emits very toxic fumes of F-, NO,, and NH3.
Hazardous Substances Data 1341-49-7(Hazardous Substances Data)

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Hazard Information

Material Safety Data Sheet(MSDS)

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