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 Trade Leads: |
| [SELL] Sodium Fluoborate [2005-04-21] |
| White or colorless crystal,anhydrous product appears transparent right-angle prism,not to corrode glass under absolutely dry;specific gravity:(20)2.47,melting point: 384(decompose),easy soluble in water and slight soluble in alcohol,to decompose when meeting sulfuric acid.... |
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| [SELL] Potassium Fluosilicate [2005-04-21] |
| White crystal or powder, odorless and tasteless, specific gravity(hexagonal crystal): 3.08, specific gravity(cubical crystal): 2.665(17), slight acidity, hygroscopic; slight soluble in water and soluble in hydrochloric acid, the solubility slightly improves with the rise of temperature; insoluble in alcohol, hydrolyze to potassium fluoride, hydrogen fluoride and silicic acid in heat water, decompose to potassium fluoride and silicon tetrafluoride when ignition.... |
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| [SELL] Sodium Hydrogenfluoride [2005-04-21] |
| Colorless or white quicksand-like crystal powder with strong acid odor, specific gravity: 2.08, soluble in water and insoluble in alcohol; absorb moisture and release hydrogen fluoride in moist air, decompose to sodium fluoride and hydrogen fluoride if being heated to 160; aluminum or aluminum alloy has anticorrosion function to sodium hydrogenfluoride under high temperature, its aqueous solution can corrode glass, toxic.
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| [SELL] Potassium Fluoride [2005-04-21] |
| Colorless cubic crystal, melting point: 858,easy soluble in water, soluble in hydrofluoric acid and liquid ammonia, its aqueous solution is acidic.
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| [SELL] Ammonium Fluoride [2005-04-21] |
| white needle-like crystal, easy deliquescence and agglomeration, soluble in water and slight soluble in alcohol; decompose to ammonia and ammonium bifluoride in heat water, decompose to ammonia and hydrogen fluoride when being heated, its aqueous solution is acidic and can corrode glass.... |
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| [SELL] Cryolite [2005-04-21] |
| Clorless monocrystal crystal, usually appears offwhite, pink, yellowish or black because of impurity, usually present as indiscerptible compact block with glass lustre, specific gravity: 2.9-3.0, melting point: 1000癈; slight soluble in water, aqueous solution is acidic, decompose to toxic hydrogen fluoride gas when meeting with sulfuric acid.... |
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| [SELL] Potassium Fluoborate [2005-04-21] |
| white powder or gelatinous crystal, no hygroscopicity, bitter odor; to form hexahedral prismatic crystal if crystallizing from aqueous solution; specific gravity: 2.50, melting point: 530癈, slight soluble in water and heat alcohol, insoluble in cold alcohol, begin to decompose when melting, can be decomposed to boron trifluoride by strong acid like sulfuric acid, to produce fluoride and borate when melting together with alkali metal carbonate, toxic.
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| [SELL] Fluoboric Acid [2005-04-21] |
| Colorless transparent liquid, can't exist in pure state, only exist in aqueous solution. The industrial products usually are aqueous solution whose concentration are about 42-48%; specific gravity(42% aqueous solution): 1.32; specific gravity(48% aqueous solution): 1.37; It is stable in concentrated solution, will decompose when heated to 130 and can mutually soluble with water or alcohol. It can slowly decompose to produce hydroxyl fluoboric acid(HBF3OH) in aqueous solution. Its stability gradually reduces when contacting with glass surface, the hydrolysis degree of 0.047M solution of fluoboric acid reaches to 72.6% from original 20.6% after stored in glass window for 32 days. It has strong corrosion, but doesn't corrode glass under normal temperature. It can react with metal, metal fluoride, oxide, hydroxide or carbonate to produce corresponding fluoboric salt, toxic.... |
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| [SELL] Ammonium Hydrogenfluoride [2005-04-21] |
| White needle-like crystal, easy deliquescence and agglomeration, soluble in water and slight soluble in alcohol; decompose to ammonia and ammonium bifluoride in heat water, decompose to ammonia and hydrogen fluoride when being heated, its aqueous solution is acidic and can corrode glass.... |
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| [SELL] Sodium Azide [2005-04-21] |
[Appearance] white crystal powder
[Content] ≥99%
The maximum impurity content: Free Alkali: ≤0.2%
Heavy Metal: ≤0.002%
Dry Loss: ≤0.2%
Water-insoluble Matter: ≤0.02%
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