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18162-48-6

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Identification

Name
tert-Butyldimethylsilyl chloride
CAS
18162-48-6
Synonyms
BDCS
BDCS SILYLATION REAGENT
SILANE, CHLORO(1,1-DIMETHYLETHYL)DIMETHYL-
SILANE TBM2
TBDMCl
TBDMCS
TBDMSCI
TBDMSCL
TBSCL
TBUME2SI-CL
T-BUTYLDIMENHYLSILYL CHLORIDE
T-BUTYLDIMETHYLCHLOROSILANE
t-butyl dimethyl chlorsilane
T-BUTYLDIMETHYLSILYL CHLORIDE
TERT-BUTYLCHLORODIMETHYLSILANE
TERT-BUTYLDIMETHYLCHLOROSILANE
TERT-BUTYLDIMETHYLSILYL CHLORIDE
CB2790
chloro(1,1-dimethylethyl)dimethyl-silan
chloro(1,1-dimethylethyl)dimethyl-Silane
EINECS(EC#)
242-042-4
Molecular Formula
C6H15ClSi
MDL Number
MFCD00000501
Molecular Weight
150.72
MOL File
18162-48-6.mol

Chemical Properties

Appearance
White solid
mp 
86-89 °C

bp 
125 °C(lit.)

density 
0.87 g/mL at 20 °C(lit.)

refractive index 
n20/D 1.46

Fp 
73 °F

storage temp. 
Store at 5°C
Sensitive 
Moisture Sensitive
Detection Methods
GC,NMR
BRN 
505999
CAS DataBase Reference
18162-48-6(CAS DataBase Reference)
NIST Chemistry Reference
Silane, chloro(1,1-dimethylethyl)dimethyl-(18162-48-6)
Storage Precautions
Moisture sensitive
EPA Substance Registry System
18162-48-6(EPA Substance)

Safety Data

Hazard Codes 
C,F,T
Risk Statements 
R22:Harmful if swallowed.
R35:Causes severe burns.
R40:Limited evidence of a carcinogenic effect.
R34:Causes burns.
R10:Flammable.
R19:May form explosive peroxides.
R11:Highly Flammable.
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R63:Possible risk of harm to the unborn child.
R48/20:Harmful: danger of serious damage to health by prolonged exposure through inhalation .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R45:May cause cancer.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S46:If swallowed, seek medical advice immediately and show this container or label .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S25:Avoid contact with eyes .
S16:Keep away from sources of ignition-No smoking .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S27:Take off immediately all contaminated clothing .
S33:Take precautionary measures against static discharges .
S29:Do not empty into drains .
S53:Avoid exposure-obtain special instruction before use .
RIDADR 
UN 2925 4.1/PG 2

WGK Germany 
2

RTECS 
VV2000000


10-21
Hazard Note 
Flammable/Corrosive/Moisture Sensitive
TSCA 
Yes
HazardClass 
4.1
PackingGroup 
III
HS Code 
29310095

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

msds information
TBDMCS(18162-48-6).msds

Hazard Information

Hazard
Moderately toxic.

Questions And Answer

Introduction
Triethylchlorosilane is a clear, colourless to yellowish, pungent smelling, caustic and flammable liquid. It can be dissolved in non-protonating solvents without decomposition.
It may be used as silylating agent for dervatization of primary and secondary alcohols etc.. Also it may be used to protect allylic esters as silylketene acetal which is ore stable but less volatile derivates than trimethylchlorosilane.

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