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CAS No.: | 16919-19-0 |
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Name: | Ammonium hexafluorosilicate |
Molecular Structure: | |
Formula: | F6Si.2H4N |
Molecular Weight: | 178.15 |
Synonyms: | Ammoniumfluosilicate (6CI);Silicate(2-), hexafluoro-, diammonium (8CI,9CI);Ammonium fluorosilicate ((NH4)2SiF6);Ammonium hexafluorosilicate ((NH4)2SiF6);Ammonium siliconfluoride ((NH4)2SiF6);Diammonium hexafluorosilicate ((NH4)2SiF6);LPE 6;NSC 310005; |
EINECS: | 240-968-3 |
Density: | 2.01 g/cm3 |
Melting Point: | °Cd ec.) |
Solubility: | soluble in water |
Appearance: | white slightly adhering crystalline powder |
Hazard Symbols: | T |
Risk Codes: | 23/24/25 |
Safety: | 26-45 |
Transport Information: | UN 2854 6.1/PG 3 |
PSA: | 0.00000 |
LogP: | 2.89280 |
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The Silicate(2-),hexafluoro-, ammonium (1:2), with its CAS registry number 16919-19-0, has the IUPAC name of diazanium hexafluorosilicon(2-). For being a kind of white slightly adhering crystalline powder, it is soluble in water and its product categories are including Industrial/Fine Chemicals; Inorganic Chemicals; Inorganics; Ammonium Salts; Metal and Ceramic Science; Salts.
The characteristics of this chemical are as below: (1)H-Bond Donor: 2; (2)H-Bond Acceptor: 7; (3)Exact Mass: 178.036094; (4)MonoIsotopic Mass: 178.036094; (5)Topological Polar Surface Area: 2; (6)Heavy Atom Count: 9; (7)Complexity: 62.7; (8)Covalently-Bonded Unit Count: 3; (9)Density: 2.01.
The production method of this chemical: Flousper powder could react with silica sand and sulfuric acid to produce fluosilicic acid, and then neutralize with ammonia till have the PH value 8; Next filter when heated and then remove the insoluble impurity; Lastly, go through the process of condensation, crystallization, centrifugal separation and drying to get this products, according to the chemical equation: H2SiF6+2NH4OH→(NH4)2SiF6+2H2O.
As to its usage, it is widely applied in many ways. It could be used as the disinfectant in brewing industry, glass etching agent, wood preservative agent, mothproofing agent in textiles; And it could also be used as the analysis reagent.
When you are dealing with this chemical, you should be cautious. For being a kind of toxic chemical, it may at low levels cause damage to health and it is harmful if by inhalation, in contact with skin and if swallowed. Therefore, if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice, and if in case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [NH4+].[NH4+].F[Si-2](F)(F)(F)(F)F
(2)InChI: InChI=1S/F6Si.2H3N/c1-7(2,3,4,5)6;;/h;2*1H3/q-2;;/p+2
(3)InChIKey: ITHIMUMYFVCXSL-UHFFFAOYSA-P
Below are the toxicity information of this chemical:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
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frog | LDLo | subcutaneous | 224mg/kg (224mg/kg) | Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937. | |
guinea pig | LDLo | oral | 150mg/kg (150mg/kg) | Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 124, Pg. 133, 1937. | |
mouse | LD50 | oral | 70mg/kg (70mg/kg) | PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: ATAXIA BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 53(11), Pg. 80, 1988. |
rat | LDLo | oral | 100mg/kg (100mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 27, 1953. |