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Ammonium tetrafluoroborate
| Product name: | Ammonium tetrafluoroborate | ||
| Synonyms | Ammonium fluoborate | ||
| CAS No.: | 13826-83-0 | ||
| EINECS | 237-531-4 | ||
| Molecular Formula: | NH4BF4 | ||
| Molecular Weight: | 104.84 | ||
| Physical property: | Bright pellucid crystal or colorless acicular crystal; relative density 1.85; soluble in water, aqueous solution is weak acidic; insoluble in alcohol; decompose when heated over 110ºC; sublime when heated to a great extent. | ||
| Specification: | Item | High-class product | First-class product |
| Ammonium fluoroborate (NH4BF4), % ≥ | 98 | 97 | |
| PH value of aqueous solution (1% solution) | 3.5-5 | 3.5-5 | |
| Water solubility test | Qualified | Qualified | |
| Chloride (Cl-), % ≤ | 0.005 | ||
| Sulfate (SO42-), % ≤ | 0.005 | 0.01 | |
| Phosphate (PO43-), % ≤ | 0.005 | ||
| Silicate (base on SiO2), % ≤ | 0.01 | 0.8 | |
| Iron (Fe), % ≤ | 0.005 | 0.1 | |
| Heavy metal (base on Pb), % ≤ | 0.003 | 0.003 | |
| Application: | It can be used as resin finishing agent and catalyst in textile, printing and dying industries, gas fluxing agent to improve inert atmosphere, lead fluxing agent for hard soldering, fire retardant and chemical reagent, etc. | ||
| Packing: | Pack in 25kg woven bag lined with polyvinyl plastic bag. | ||
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