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HCID 87627Erstellt: 27. Oktober 2026
3,3,6,6-Tetramethoxy-2,7-dioxa-3,6-disilaoctan
3,3,6,6-tetramethoxy-2,7-dioxa-3,6-disilaoctane · BTMSE · KH-516 · CFS-412 · Co-Formula CFS-412 · dowcorningx1-6145a · 1,2-Bis(trimethoxysiL · HEXAMETHOXYDISILYETHANE
https://huagongshe.com/de/chemical/87627
Identifikatoren & physikalische Daten
| CAS No. | 18406-41-2 |
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| Summenformel | C8H22O6Si2 |
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| Durchschnittliche Molmasse | 270,43 g/mol |
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| Monoisotopische Masse | 270,09549148 g/mol |
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| SMILES | CO[Si](CC[Si](OC)(OC)OC)(OC)OC |
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| InChIKey | JCGDCINCKDQXDX-UHFFFAOYSA-N |
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| PubChem CID | 87627 |
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| EC No. | 242-285-6 |
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| DTXSID | DTXSID6066369 |
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| Lokaler Name | 3,3,6,6-Tetramethoxy-2,7-dioxa-3,6-disilaoctan |
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Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 55,4 |
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| H-Brücken-Donoren | 0 |
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| H-Brücken-Akzeptoren | 6 |
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| Frei drehbare Bindungen | 9 |
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| Schwere Atome | 16 |
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| Formalladung | 0 |
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| Komplexität | 147 |
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| Stoffklassen | Metals -> Metalloid Compounds (Silicon)Industrial compound |
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| Dampfdruck | 0.08 [mmHg]1.2Pa at 20℃ |
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| Physical Description | Colorless liquid[Aldrich MSDS] |
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| Schmelzpunkt | <0°C |
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| Siedepunkt | 103-104 °C5 mm Hg(lit.) |
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| Dichte | 1.073 g/mL at 25 °C(lit.) |
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| Brechungsindex | n20/D 1.409(lit.) |
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| Flammpunkt | 228 °F |
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| Aggregatzustand | Liquid |
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| Wichte | 1.09 |
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| Farbe | Colorless |
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| InChI | InChI=1S/C8H22O6Si2/c1-9-15(10-2,11-3)7-8-16(12-4,13-5)14-6/h7-8H2,1-6H3 |
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| InChIKey | JCGDCINCKDQXDX-UHFFFAOYSA-N |
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| SMILES | CO[Si](OC)(OC)CC[Si](OC)(OC)OC |
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| LogP (Verteilungskoeffizient) | -1.68 at 25℃ |
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| CAS Datenbank | 18406-41-2(CAS DataBase Reference) |
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| EPA chemische Informationen | 2,7-Dioxa-3,6-disilaoctane, 3,3,6,6-tetramethoxy- (18406-41-2) |
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Sicherheit & Vorschriften
| GHS-Einstufung | DangerH301 (10.1%): Toxic if swallowed [Danger Acute toxicity, oral]P203, P260, P264, P270, P271, P273, P280, P284, P301+P316, P301+P317, P302+P352, P304+P340, P316, P318, P320, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 217 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
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| Regulatorische Informationen | Chemical: 2,7-Dioxa-3,6-disilaoctane, 3,3,6,6-tetramethoxy-Status: Cease Manufacture Update: 25-07-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/250631,2-Bis (trimethoxysilyl) ethane: 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. |
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| Gefahrenübersicht | Prolonged or repeated contact with the skin of rabbits causes marked to severe redness, mild swelling, and superficial necrosisAcute and short-term inhalation studies of experimental animals demonstrate severe mucous membrane damage and epithelial necrosis of the cornea and respiratory tract at concentrations as low as 0.5 ppm[EPA TSCATS] May cause irritationMay cause pneumonitis and pulmonary edemaMay be fatal by inhalationTargets the eye, kidney, liver, heart, and nerves[Aldrich MSDS] Produces methanol on contact with moisture or water in the skin, eyes, and mucous membranes leading to irritation and dehydration of overexposed tissueA severe eye irritant that may cause permanent injury including blindnessA pulmonary toxin that may cause lung injury from overexposure[Gelest MSDS] See Trimethoxysilane. |
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| Hazard Classes and Categories | Acute Tox. 3 (10.1%) |
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| Unerwünschte Wirkungen | Dermatotoxin - Skin burns. |
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| Toxicity Data | LC50 (rat) = 2.4 ppm/4hr |
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| Wassergefährdungsklasse (WGK) | 3 |
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