289094

tert-Butyldimethylsilanol

99%

• Synonym(s): 1-(1,1-Dimethylethyl)-1,1-dimethylsilanol, tert-Butyl(hydroxy)dimethylsilane, tert-Butyldimethylsilanol, tert-Butyldimethylsilyl hydroxide, Dimethyl-tert-butylsilanol
• Linear Formula: (CH₃)₃CSi(CH₃)₂OH
• CAS Number: 18173-64-3
• Molecular Weight: 132.28
• Beilstein/REAXYS Number: 1732777
• MDL number: MFCD00010673
• UNSPSC Code: 12352103
• PubChem Substance ID: 24857384
• NACRES: NA.22

Properties

• assay: 99%
• form: liquid
• refractive index: n20/D 1.424 (lit.)
• bp: 139 °C/739 mmHg (lit.)
• density: 0.84 g/mL at 25 °C (lit.)
• SMILES string: CC(C)(C)[Si](C)(C)O
• InChI: 1S/C6H16OSi/c1-6(2,3)8(4,5)7/h7H,1-5H3
• InChI key: FGWRMMTYIZKYMA-UHFFFAOYSA-N

Description

Application

tert-Butyldimethylsilanol can be used as a silylating agent for the protection of hydroxyl groups via silylation. It is used:

• For the preparation of α-chiral ether derivatives by catalytic asymmetric allylic substitution.
• As an initiator for the polymerization of 1,2 benzenedicarboxaldehyde.
• In the synthesis of enol silyl ethers.

Safety Information

• pictograms: GHS02,GHS07
• signalword: Warning
• hcodes: H226,H315,H319,H335
• pcodes: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 113.0 °F - closed cup
• flash_point_c: 45 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter