AMMONIUM BIFLUORIDE Extra Pure

Ammonium hydrogen difluoride, Etching powder

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Article No.
01090
Grade
Extra Pure
Purity
98%
CAS No.
1341-49-7
Molecular Formula
NH4F.HF
Molecular Weight
57.07
H.S. Code
2826.1990
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
3.5 (5% Solution)
Melting point/ Freezing point [°C]
125 °C
Boiling point [°C]
240°C
Density [g/cm3]
1.5
Solubility in water [% weight]
41.5g/l00 g Water @ 250C

Packings

  • 1PW1200750

    500 g (00500)

  • 1PW1202500

    2500 g (02500)

  • 1PDL00040K

    25 Kg (0025K)

  • 1PDLP0065K

    50 Kg (0050K)

 

Specifications

Appearance White crystalline hygroscopic powder/Flakes
Assay (acidimetric) Min 98%
Residue on ignition Max 0.05%
Chloride (Cl) Max 0.005%
Silica (SiO2) Max 0.5%
Sulphate (SO4) Max 0.05%
Iron (Fe) Max 0.005%
Lead (Pb) Max 0.01%

Safety Information and Hazard Symbols

Skull and Crossbones Corrosion
Symbol: GHS05, GHS06
Signal Word: Danger
UN No.: 1727
IMCO Class No.: 8
Packing Group: II
Hazardous Statement: H301-H314
Precaution Statement: P280-P301 + P310-P305 + P351 + P338-P310
Revision Date : 29-Nov-2021
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