18643-08-8

Name CHLORODIMETHYLOCTADECYLSILANE
CAS 18643-08-8
EINECS(EC#) 242-472-2
Molecular Formula C20H43ClSi
MDL Number MFCD00000504
Molecular Weight 347.09
MOL File 18643-08-8.mol
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Chemical Properties

Appearance white to off-white crystalline powder or
Melting point  28-31 °C
Boiling point  145-155 °C0.005 mm Hg(lit.)
density  0.86 g/mL at 20 °C(lit.)
vapor pressure  0-4220000Pa at 20-25℃
refractive index  1.4530
Fp  >230 °F
storage temp.  Store at room temperature, keep dry and cool
form  Solid
color  White
Specific Gravity 0.854
Water Solubility  Reacts with water.
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
Sensitive  Moisture Sensitive
BRN  2246012
InChI 1S/C20H43ClSi/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-22(2,3)21/h4-20H2,1-3H3
InChIKey GZGREZWGCWVAEE-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC[Si](C)(C)Cl
LogP 9
CAS DataBase Reference 18643-08-8(CAS DataBase Reference)
EPA Substance Registry System Silane, chlorodimethyloctadecyl- (18643-08-8)
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Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H314-H335
Precautionary statements  P260-P271-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338
Hazard Codes  C,F
Risk Statements 
R34:Causes burns.
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 .
R11:Highly Flammable.
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 .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
RIDADR  UN 2987 8/PG 2
WGK Germany  2
F  10-21
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  III
HS Code  29319090
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Skin Corr. 1B
STOT SE 3

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