1-(Trimethylsilyl)imidazole , 97% , 18156-74-6

Synonym(s):
N-Trimethylsilylimidazole;N-(Trimethylsilyl)imidazole;TMSI;TSIM

CAS NO.：18156-74-6

Empirical Formula: C6H12N2Si

Molecular Weight: 140.26

MDL number: MFCD00005280

EINECS: 242-040-3

PRODUCT Properties

• Melting point: -42 °C
• Boiling point: 93-94 °C14 mm Hg(lit.)
• Density: 0.957 g/mL at 20 °C
• refractive index: n20/D 1.475(lit.)
• Flash point: 42 °F
• storage temp.: Store below +30°C.
• solubility: Chloroform
• form: Liquid
• pka: 7.96±0.10(Predicted)
• Specific Gravity: 0.956
• color: Clear colorless to yellow
• Water Solubility: decomposes
• Sensitive: Moisture Sensitive
• Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
• BRN: 606148
• Stability: Air and Moisture Sensitive
• InChIKey: YKFRUJSEPGHZFJ-UHFFFAOYSA-N
• CAS DataBase Reference: 18156-74-6(CAS DataBase Reference)
• NIST Chemistry Reference: 1h-Imidazole, 1-(trimethylsilyl)-(18156-74-6)
• EPA Substance Registry System: 1H-Imidazole, 1-(trimethylsilyl)- (18156-74-6)

Description and Uses

N-(Trimethylsilyl)imidazole is a silylating agent for alcohols and 1,3-dicarbonyl compounds; reaction with esters to give imidazolides; preparation of O-trimethylsilyl monothioacetals; aromatization of the A-ring of steroids. It participates in the reactions of Hydroxyl Silylation Reactions, Silyl Aminal Formation Reactions, Nitrogen Silylation Reactions, Acyl Imidazole Formation, Michael Addition Reactions, Substitution Reactions, Phosphoroimidazolidate Formation, and other uses.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H315-H319-H335
• Precautionary statements: P210-P233-P240-P241-P303+P361+P353-P305+P351+P338
• Hazard Codes: F,Xi,C
• Risk Statements: 11-36/37/38-14-40-34-37-35-20/21/22
• Safety Statements: 16-26-33-37/39-45-36/37/39
• RIDADR: UN 1993 3/PG 2
• WGK Germany: 3
• RTECS: NI8700000
• F: 10-21
• Autoignition Temperature: 540 °C DIN 51794
• TSCA: T
• HazardClass: 3
• PackingGroup: II
• HS Code: 29332990