Grundinformationen
- CAS
4253-34-3- Standard-SMILES
CC(=O)O[Si](C)(OC(C)=O)OC(C)=O- InChIKey
TVJPBVNWVPUZBM-UHFFFAOYSA-N- Summenformel
- C7H12O6Si
- Durchschnittliche Molmasse
- 220,25 g/mol
- Monoisotopische Masse
- 220,04031463
Namen und Bezeichner
- Bevorzugter Name
- Methyltriacetoxysilane
- IUPAC
- [diacetyloxy(methyl)silyl] acetate
- Lokaler Name
- Methylsilantriyltriacetat
- Englischer Name
- Methyltriacetoxysilane
- Summenformel
- C7H12O6Si
- Molmasse
- 220.25
Namen und Synonyme
Methyltriacetoxysilane4253-34-3Methylsilanetriyl triacetateSilanetriol, methyl-, triacetateEINECS 224-221-9Silanetriol, 1-methyl-, 1,1,1-triacetatetriacetoxy(methylsilane)NSC 139845DTXSID0027565BRN 1788668EC 224-221-94-04-00-04208 (Beilstein Handbook Reference)
Weitere Namen anzeigen
MTASKH-310Triacetoxy(methyl)siapk1(silanederivative)LABOTEST-BB LT01406986Modified methyltriacetoxysilancek10ssilanetriol,Triacetoxy(methyL
DTXCID507565CM8980Silane, methyltriacetoxyRefChem:158342Silanetriol, methyl, triacetateSilanetriol, 1methyl, 1,1,1triacetate224-221-9TVJPBVNWVPUZBM-UHFFFAOYSA-N
Datenbank-Bezeichner
- CAS
4253-34-3- PubChem CID
- 77929
- DTXSID
DTXSID0027565- ChEMBL
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 78,9 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 6
- Frei drehbare Bindungen
- 6
- Schwere Atome
- 14
- Formalladung
- 0
- Komplexität
- 220
Experimentelle und physikochemische Eigenschaften
Chemical ClassesMetals -> Metalloid Compounds (Silicon)
SpringerMaterials PropertiesSound absorption
Density1.175 @ 20°C
Melting Point40.5 °C
Vapor Pressure0.2 [mmHg]
Physical Description
Liquid; Other Solid; Liquid
Solid; [Alfa Aesar MSDS]
Physikochemische Eigenschaften
- Schmelzpunkt
- 40 · 40-45 °C(lit.)
- Siedepunkt
- 94 · 94-95 °C9 mm Hg(lit.)
- Dichte
- 1.2 g/mL · 1.20 g/mL at 20 °C(lit.)
- Dampfdruck
- 0.053 · 0.053-26Pa at 20-25℃
- Brechungsindex
- 1.52 · 1.52-1.522
- Flammpunkt
- 185 °F · 185 °F
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 0.9% (5 of 561) of reports.
Danger
H302 (73.6%): Harmful if swallowed [Warning Acute toxicity, oral]
P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 561 reports by companies from 22 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
Gefahrenhinweise
Regulatory Information
Chemical: Silanetriol, methyl-, triacetate
Silanetriol, 1-methyl-, 1,1,1-triacetate is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silanetriol, 1-methyl-, 1,1,1-triacetate 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: 04-08-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/14400
Silanetriol, methyl-, triacetate, >5% in a non hazardous diluent: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationEvaluation - Chemicals that are unlikely to require further regulation to manage risks to environment
Hazards Summary
Causes severe irritation and burns to skin and eyes in rabbits; Rapidly hydrolyzed by moisture/water forming acetic acid and the corresponding trisilanols (observed toxicity attributed to acetic acid); [OECD SIDS: Methyltriacetoxysilane - 2005] An irritant; Harmful by ingestion; [Alfa Aesar MSDS] See Acetic acid. See Ethyltriacetoxysilane.
Chemie und Industrie
Verwendung und Herstellung
Uses
Used as a cross-linker for silicone sealants and adhesives (completely reacts during curing); [OECD SIDS: Methyltriacetoxysilane - 2005]
Working with Glues and Adhesives [Category: Other]
U.S. Production2023: 1,000,000 - <5,000,000 lb
Consumer UsesWaterproofing agent
Industry UsesSealant (barrier)
Household ProductsInformation on 47 consumer products that contain Methyltriacetoxysilane in the following categories is provided:
General Manufacturing Information
Adhesive Manufacturing
Silanetriol, 1-methyl-, 1,1,1-triacetate: ACTIVE
Anwendungen
VerwendenMethyltriacetoxysilane is used as a silane coupling agent.
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