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AMMONIUM BIFLUORIDE Extra Pure

AMMONIUM BIFLUORIDE Extra Pure

AMMONIUM BIFLUORIDE Extra Pure

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Description

Ammonium hydrogen difluoride, Etching powder
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
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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%

Packings
500 g 00500
2500 g 02500
25 Kg 0025K
50 Kg 0050K

Safety Information
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

 

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