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HCID 14942Erstellt: 23. Oktober 2026
Tetrahydroxysilan
H4Sio4 · silicicaci · Chebi:26675 · siliclc acid · Silanetetrol · Kieselsaeure · MONOSILICICACID · Orthokieselsaeure
https://huagongshe.com/de/chemical/14942
Identifikatoren & physikalische Daten
| CAS No. | 10193-36-9 |
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| Summenformel | H4O4Si |
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| Durchschnittliche Molmasse | 96,11 g/mol |
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| Monoisotopische Masse | 95,98788514 g/mol |
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| SMILES | O[Si](O)(O)O |
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| InChIKey | RMAQACBXLXPBSY-UHFFFAOYSA-N |
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| PubChem CID | 14942 |
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| ChEBI | CHEBI:26675 |
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| EC No. | 215-683-2 |
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| DTXSID | DTXSID5058721 |
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| Lokaler Name | Tetrahydroxysilan |
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Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 80,9 |
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| H-Brücken-Donoren | 4 |
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| H-Brücken-Akzeptoren | 4 |
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| Frei drehbare Bindungen | 0 |
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| Schwere Atome | 5 |
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| Formalladung | 0 |
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| Komplexität | 19,1 |
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| Stoffklassen | Mineral Dusts -> Other Mineral Dusts |
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| Kosmetika | Viscosity controllingAnticakingBulkingOpacifyingAbrasiveAbsorbent |
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| Dichte | 2.2 @25 °C2.63 g/cm3 |
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| Schmelzpunkt | 1610 °C |
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| Dampfdruck | 10 [mm Hg] @1732 °C1.333hPa at 25℃ |
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| Food Contact Substances | FCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR |
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| Physical Description | Dry PowderWhite solid[Merck Index] Powder[Sigma-Aldrich MSDS] |
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| Siedepunkt | 153-156 °C(Press: 2 Torr) |
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| pKa (Säurekonstante) | 12.39±0.53(Predicted) |
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| Aggregatzustand | exists only in solution |
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| Farbe | exists only in solution |
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| Löslichkeit | 100ng/L at 25℃ |
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| Henry-Konstante | 2.3×1010 mol/(m3Pa) at 25℃, Plyasunov (2012) |
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| LogP (Verteilungskoeffizient) | -1 at 25℃ |
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| EPA chemische Informationen | Silicic acid (H4SiO4) (10193-36-9) |
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Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 100% (168 of 168) of all reports.Not ClassifiedAggregated GHS information provided per 168 reports by companies from 1 notifications to the ECHA C&L Inventory.This chemical does not meet GHS hazard criteria for 0.7% (1 of 135) of reports.DangerH314 (99.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] |
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| Regulatorische Informationen | Chemical: Silicic acid (H4SiO4)Chemical: Silicic acidSilicic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 08-07-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/32043Silicic acid (H4SiO4): Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.Silicic acid: Does not have an individual approval but may be used under an appropriate group standard |
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| Gefahrenübersicht | Causes lung changes including focal fibrosis in intermittent inhalation studies of rats[RTECS] A skin and strong eye irritantTargets the lungs[Sigma-Aldrich MSDS] |
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| Hazard Classes and Categories | Skin Corr. 1 (99.3%)Not Classified |
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| Protective Action Criteria (PAC) | 18 [mg/m3]200 [mg/m3]1200 [mg/m3] |
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| Unerwünschte Wirkungen | Fibrogenic - Inducing tissue injury and fibrosis (scarring). |
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| TSCA-Inventar-Status | TSCA listed |
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