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DISC. SIZE n-OCTADECYLMETHYLDICHLORO- SILANE
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DISC. SIZE n-OCTADECYLMETHYLDICHLORO- SILANE

CAS: 5157-75-5

Ref. 3H-SIO6625.0

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Estimated delivery in United States, on Tuesday 21 Jan 2025

Product Information

Name:
DISC. SIZE n-OCTADECYLMETHYLDICHLORO- SILANE
Synonyms:
  • Ai3-60187
  • Dichloromethylstearylsilane
  • Methyloctadecyldichlorosilane
  • N-octadecylmethyldichlorosilane
  • NSC 96645
  • Octadecyldichloromethylsilane
  • Octadecylmethyldichlorosilane
  • Silane, dichloromethyloctadecyl-
  • Stearylmethyldichlorosilane
  • Dichloromethyloctadecylsilane
  • See more synonyms
  • Dichloromethyloctadecylsilane
Description:

Alkyl Silane - Conventional Surface Bonding
Aliphatic, fluorinated aliphatic or substituted aromatic hydrocarbon substituents are the hydrophobic entities which enable silanes to induce surface hydrophobicity. The organic substitution of the silane must be non-polar. The hydrophobic effect of the organic substitution can be related to the free energy of transfer of hydrocarbon molecules from an aqueous phase to a homogeneous hydrocarbon phase. A successful hydrophobic coating must eliminate or mitigate hydrogen bonding and shield polar surfaces from interaction with water by creating a non-polar interphase. Although silane and silicone derived coatings are in general the most hydrophobic, they maintain a high degree of permeability to water vapor. This allows coatings to breathe and reduce deterioration at the coating interface associated with entrapped water. Since ions are not transported through non-polar silane and silicone coatings, they offer protection to composite structures ranging from pigmented coatings to rebar reinforced concrete. A selection guide for hydrophobic silanes can be found on pages 22-31 of the Hydrophobicity, Hydrophilicity and Silane Surface Modification brochure.
n-Octadecylmethyldichlorosilane; Dichloromethyl-n-octadecylsilane; Methyldichlorosilyloctadecane; Dichloromethylsilyloctadecane
Contains 5-10% C18 isomersViscosity: 7 cSt

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Gelest
Long term storage:
Notes:

Chemical properties

Molecular weight:
366.22763
Formula:
C19H40Cl2Si
Purity:
97% including isomers
Color/Form:
Straw Liquid
MDL:
Melting point:
Boiling point:
Flash point:
Density:
Concentration:
EINECS:
Merck:
HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
P Statements:
Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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