541672

4-(tert-Butyldimethylsilyloxy)-1-butyne

97%

• Linear Formula: CH≡C(CH₂)₂OSi(CH₃)₂C(CH₃)₃
• CAS Number: 78592-82-2
• Molecular Weight: 184.35
• MDL number: MFCD03427046
• UNSPSC Code: 12352100
• PubChem Substance ID: 24878549
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 97%
• refractive index: n20/D 1.43 (lit.)
• bp: 70-74 °C/10 mmHg (lit.)
• density: 0.893 g/mL at 25 °C (lit.)
• SMILES string: CC(C)(C)[Si](C)(C)OCCC#C
• InChI: 1S/C10H20OSi/c1-7-8-9-11-12(5,6)10(2,3)4/h1H,8-9H2,2-6H3
• InChI key: NUZBJLXXTAOBPH-UHFFFAOYSA-N

Description

Application

4-(tert-Butyldimethylsilyloxy)-1-butyne may be used in the synthesis of 1-(tert-butyldimethylsilyloxy)-3-pentyn-5-ol and 1-(tert-butyldimethylsilyloxy)-6,6-dimethyl-3-heptyn-5-ol.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319,H335
• Precautionary Statements: 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 Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 136.9 °F - closed cup
• Flash Point(C): 58.3 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves