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AMMONIUM BIFLUORIDE Extra Pure Ammonium hydrogen difluoride, Etching powder
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Warranty 1 year
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Free 30-Day returns
Specification
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General
Description
| 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 |
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
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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
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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