Bis(trimethylsilyl)acetylene

• Catalog No.: 187437
• CAS Number: 14630-40-1
• M. F.: C8H18Si2
• M. W.: 170.39952
• Purity: 99%

SYNONYMS

• Title: 双(三甲基甲硅烷基)乙炔
• IUPAC name: trimethyl[2-(trimethylsilyl)ethynyl]silane
• IUPAC Traditional name: bis(trimethylsilyl)acetylene
• Synonyms: BTMSA

DATABASE IDS

• Beilstein Number: 906870
• PubChem SID: 24851275
• MDL Number: MFCD00008276
• CAS Number: 14630-40-1
• EC Number: 238-671-9

PROPERTIES

• Linear Formula: (CH3)3SiC≡CSi(CH3)3
• Purity: 99%
• Boiling Point: 136-137 °C(lit.)
• Density: 0.752 g/mL at 25 °C(lit.)
• Flash Point: 2 °C
• Flash Point: 35.6 °F
• Melting Point: 21-24 °C(lit.)
• Refractive Index: n20/D 1.427(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H225-H315-H319-H335
• European Hazard Symbols: Flammable (F)
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P210-P261-P305 + P351 + P338
• RID/ADR: UN 1993 3/PG 2
• Risk Statements: 11-36/37/38
• Safety Statements: 16-26-36
• Storage Temperature: 2-8°C
• Hazard Class: 3
• UN Number: 1993
• Packing Group: 2
• German water hazard class: 3

DETAILS

Description (English)

Packaging
10, 50 g in glass bottle
Application
In the presence of CpCo(CO)2 (cat. no. 245259), undergoes cycloaddition with 1,5-hexadiynes to form benzocyclobutenes.1

Description (简体中文)

包装
10, 50 g in glass bottle
Application
在 CpCo(CO)2（产品目录号245259）存在的条件下，可与 1,5-己二炔发生环加成反应生成苯并环丁烯。1