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Brand Fluka | UNSPSC Code 12352300 | CAS Numbers (All) | EC Number | Linear Formula NH4HF2 |
MDL Number | RTECS Number BQ9200000 | Synonyms Ammonium bifluoride; Etching powder |
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 |
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) |
Property | Value |
---|---|
Hazard Class | 8 |
Package Group | II |
UN ID | UN1727 |
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