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Ammonium Bifluoride
Ammonium hydrogen difluoride, Etching powder

Product Code.
00186
Grade
Purity
Min. 98%
CAS No.
1341-49-7
Molecular Formula
NH4F.HF
Molecular Weight
57.07
H.S.Code
2826.19900
Shelf Life
60 Months

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

Packaging

Specification

Appearance
White crystalline hygroscopic powder
Assay (acidimetric)
Min 98%
Non volatile matter
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

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