4-(<i>tert</i>-Butyldimethylsilyloxy)-1-butyne , >97.0%(GC) , 78592-82-2

CAS NO.：78592-82-2

Empirical Formula: C10H20OSi

Molecular Weight: 184.35

MDL number: MFCD03427046

PRODUCT Properties

• Boiling point: 70-74 °C/10 mmHg (lit.)
• Density: 0.893 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.43(lit.)
• Flash point: 137 °F
• storage temp.: Storage temp. 2-8°C
• form: clear liquid
• color: Colorless to Light yellow
• Specific Gravity: 0.893
• Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
• InChI: 1S/C10H20OSi/c1-7-8-9-11-12(5,6)10(2,3)4/h1H,8-9H2,2-6H3
• InChIKey: NUZBJLXXTAOBPH-UHFFFAOYSA-N
• SMILES: CC(C)(C)[Si](C)(C)OCCC#C

Description and Uses

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

• Symbol(GHS): GHS02,GHS07
• Signal word: Warning
• Hazard statements: H226-H315-H319-H335
• Precautionary statements: P210-P302+P352-P305+P351+P338
• target organs: Respiratory system
• PPE: Eyeshields, Gloves, type ABEK (EN14387) respirator filter
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• RIDADR: UN 1993 3/PG 2
• WGK Germany: 3
• TSCA: No
• HS Code: 2931.90.9010
• HazardClass: CORROSIVE
• PackingGroup: III
• Storage Class: 3 - Flammable liquids
• Hazard Classifications: Eye Irrit. 2; Flam. Liq. 3; Skin Irrit. 2; STOT SE 3
• Limited Quantities: 5.0 L (1.3 gallons) (liquid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)