tert-Butyldimethylsilyl chloride

CAS number: 18162-48-6

Molecular formula: C6H15ClSi

Molecular weight: 150.72

EINECS number: 242-042-4

MDL No. : MFCD00000501

Stats

Melting point 86-89 °C (lit.)

Boiling point 125 °C (lit.)

Density 0.87 g/mL at 20 °C(lit.)

Vapor pressure 60-710Pa at 25℃

Refractive index n20/D 1.46

Flash point 73 °F

Storage conditions Store below +30°C.

The solubility is very sol nearly all common organic solvents such as THF, methylene chloride, and DMF.

Morphology white solid

Color white

Specific gravity 1.225

Soluble in chloroform and ethyl acetate. Insoluble in water. Soluble in chloroform and ethyl acetate.

Moisture Sensitive Moisture sensitive

Hydrolysis sensitivity 7: reacts slowly with moisture/water

BRN505999

Exposure limit ACGIH: TWA 20 ppm

OSHA: Ceiling 300 ppm;  TWA 200 ppm

NIOSH: IDLH 500 ppm;  TWA 100 ppm(375 mg/m3);  STEL 150 ppm(560 mg/m3)

InChIKeyBCNZYOJHNLTNEZ-UHFFFAOYSA-N

LogP2.5 at 20 ° C

Safety information

hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms

GHS02,GHS05,GHS07,GHS08,GHS09

Danger

Risk Description H225-H304-H314-H336-H361d-H373-H411

Precautions P210-P280-P301+P310+P331-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310

Dangerous Goods Mark C,F,T,Xn

Risk category code 22-35-40-34-10-19-11-67-65-22-45-63-48/20-20/21/23/24/25-37-36/37/38

Safety Instructions 26-36/37/39-46-62-45-25-16-28-27-33-29-53-36/37

Dangerous Goods Transport Code UN 2925 4.1/PG 2

WGK Germany2

RTECS VV2000000

F10-21

Hazard NoteFlammable/Corrosive/Moisture Sensitive

TSCAYes

Danger level 4.1

Packaging Category III

Customs Code 29310095

Toxic mouse, LDLo, intraperitoneal, 1 gm/kg (1000 mg/kg), IMMUNOLOGICAL o ALLERGIC: DECREASED IMMUNE RESPONSE,Personal Communication from G.D. Stoner, Dept. of Community Medicine, School of Medicine,  Univ. of California, La Jolla, CA 92037, May 25, 1975Vol. 27MAY1975,