trimethoxysilane

• ChemBase ID: 136908
• Molecular Formular: C3H10O3Si
• Molecular Mass: 122.1952
• Monoisotopic Mass: 122.03992071
• SMILES: CO[SiH](OC)OC
• Canonical SMILES: CO[SiH](OC)OC
• InChI: InChI=1S/C3H10O3Si/c1-4-7(5-2)6-3/h7H,1-3H3
• InChIKey: YUYCVXFAYWRXLS-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: trimethoxysilane
• IUPAC Traditional name: trimethoxy silane
• Synonyms: Trimethoxysilane; 三甲氧基硅烷

Database IDs

• CAS Number: 2487-90-3
• EC Number: 219-637-2
• MDL Number: MFCD00008340
• Beilstein Number: 1697990
• PubChem SID: 24889317; 162231175; 24857057
• PubChem CID: 6327428

CALCULATED PROPERTIES

• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): -0.3009
• LogD (pH = 7.4): -0.3009
• Log P: -0.3009
• Molar Refractivity: 21.9407 cm^3
• Polarizability: 11.367182 Å^3
• Polar Surface Area: 27.69 Å^2
• Rotatable Bonds: 3
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -115 °C(lit.)
• Boiling Point: 81 °C(lit.)
• Flash Point: 48.2 °F; 9 °C
• Density: 0.96 g/mL at 25 °C(lit.)
• Refractive Index: n20/D 1.358(lit.)
• Vapor Pressure: <7.2 mmHg ( 20 °C)
• Vapor Density: >1 (vs air)

Safety Information

• RTECS: VV6750000
• European Hazard Symbols: Flammable (F); Highly toxic (T+)
• UN Number: 3384
• German water hazard class: 3
• Hazard Class: 6.1
• Packing Group: 1
• Risk Statements: 11-26-36
• Safety Statements: 16-36/37/39-45
• GHS Pictograms: GHS02; GHS06
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H319-H330
• GHS Precautionary statements: P210-P260-P284-P305 + P351 + P338-P310
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 3384 6.1/PG 1

Product Information

• Purity: ≥90% (GC); 95%
• Grade: technical
• Linear Formula: (CH3O)3SiH

DETAILS

Sigma Aldrich - 282626

Packaging
25, 100 g in glass bottle