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09835
Fluka
Ammonium hydrogen difluoride
SKU
09835
Puriss. p.a., ≥98.5% (F)
Synonym(s)
Ammonium bifluoride; Etching powder
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General Information:
- Leading the industry for over 65 years
- Honeywell now delivers Fluka™ premium grade inorganic reagents worldwide – with consistency, purity and accuracy assured
| Brand Fluka | UNSPSC Code 12352300 | CAS Numbers (All) | EC Number | Linear Formula NH4HF2 |
| MDL Number | RTECS Number BQ9200000 | Synonyms Ammonium bifluoride; Etching powder |
Documents
Specifications
| Property | Value |
|---|---|
| Identity (IR) | complying |
| Assay of NH4HF2 | min. 98.5 % |
| Silver (Ag) | max. 5 ppm |
| Aluminium (Al) | max. 5 ppm |
| Barium (Ba) | max. 5 ppm |
| Bismuth (Bi) | max. 5 ppm |
| Calcium (Ca) | max. 10 ppm |
| Cadmium (Cd) | max. 5 ppm |
| Cobalt (Co) | max. 5 ppm |
| Chromium (Cr) | max. 50 ppm |
| Copper (Cu) | max. 5 ppm |
| Iron (Fe) | max. 100 ppm |
| Potassium (K) | max. 50 ppm |
| Lithium (Li) | max. 5 ppm |
| Magnesium (Mg) | max. 5 ppm |
| Manganese (Mn) | max. 5 ppm |
| Molybdenum (Mo) | max. 5 ppm |
| Sodium (Na) | max. 50 ppm |
| Nickel (Ni) | max. 100 ppm |
| Lead (Pb) | max. 5 ppm |
| Strontium (Sr) | max. 5 ppm |
| Thallium (Tl) | max. 5 ppm |
| Zinc (Zn) | max. 5 ppm |
| Total S (as SO4) | max. 100 ppm |
| Silicon (as NH4SiF6) | max. 500 ppm |
| Chloride (Cl) | max. 50 ppm |
| Sulfite (SO3) | max. 50 ppm |
Properties
| Property | Value |
|---|---|
| Boiling Point/Range | Not applicable |
| Color | Colorless |
| Density | 1.500 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Flakes |
| Grade | ACS Grade Salts |
| Incompatible Materials | Contact with strong acids liberates hydrogen fluoride, Glass and silicate-containing materials are attacked, Corrosive in contact wi |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | 126 °C (1.013 hPa. Sublimation point) |
| Partition Coefficient | No data available |
| Product Line | Puriss. p.a. |
| Purity Percentage | 98.5 |
| Purity Details | >=98.5% |
| Solubility in Water | 600 g/l (20 °C) |
| Storage Temperature | Ambient |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | No data available |
| Viscosity | Not applicable |
| pH-Value | 2-3 (20 °C) (as aqueous solution) |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | 8 |
| Package Group | II |
| UN ID | UN1727 |
