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,
China
