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

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


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

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