AMMONIUM BIFLUORIDE 98% PURE
Ammonium hydrogen difluoride, Etching powder
| Product Code | B-00186 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 1341-49-7 |
| Molecular Formula | NH4F.HF | Molecular Weight | 57.07 |
| H.S.Code | 2826.19900 | Shelf Life | 60 Months |
| Purity | 99 % |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| pH Value | 3.5 (5% Solution) | Odour | Odorless |
| Melting point/ Freezing point [°C] | 125 °C | Density [g/cm3] | 1.5 |
| Solubility in water [% weight] | 41.5g/l00 g Water @ 250C | Boiling point [°C] | 240 °C |
Packaging
Specification
| Appearance | White crystalline hygroscopic powder |
| Assay (acidimetric) | Min 98.0% |
| 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
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