CAS 18643-08-8

Octadecilmetildiclorossilano

Descrição:

Octadecilmetildiclorossilano, com o número CAS 18643-08-8, é um composto organossilícico caracterizado por sua longa cadeia alquílica hidrofóbica e um grupo funcional clorosilano. Este composto geralmente aparece como um líquido incolor a amarelo pálido e é conhecido por sua capacidade de formar monocamadas auto-organizadas em vários substratos, tornando-o valioso em aplicações de modificação de superfícies. Sua natureza hidrofóbica é atribuída à cadeia octadecil (C18), que melhora a repelência à água e reduz a energia superficial. Octadecilmetildiclorossilano é frequentemente utilizado na produção de revestimentos hidrofóbicos, bem como na preparação de sílica funcionalizada e outros materiais para uso em eletrônica, biotecnologia e ciência dos materiais. Além disso, pode reagir com a umidade para formar ligações siloxano, levando à formação de redes de silano estáveis. Precauções de segurança são necessárias ao manusear este composto, pois pode ser irritante para a pele e os olhos, e condições adequadas de armazenamento devem ser mantidas para evitar a hidrólise.

Fórmula: C₂₀H₄₃ClSi

InChI: 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

Chave InChI: InChIKey=GZGREZWGCWVAEE-UHFFFAOYSA-N

SMILES: C(CCCCCCCCCCCCCCC)CC[Si](C)(C)Cl

Sinónimos:

• Chlorooctadecyldimethylsilane
• Dimethyl(octadecyl)chlorosilane
• Dimethyl(octadecyl)silyl chloride
• Dimethyl(octyldecyl)silyl chloride
• N-octadecyldimethylchlorosilane
• Octadecylchlorodimethylsilane
• Octadecyldimethylchlorosilane
• Silane, chlorodimethyloctadecyl-
• Chlorodimethyloctadecylsilane

Dimethyloctadecylchlorosilane

CAS: 18643-08-8

Fórmula: C₂₀H₄₃ClSi

Pureza: >97.0%(T)

Cor e Forma: White to Almost white powder to lump

Peso molecular: 347.10

Ref: 3B-D1560

Chlorodimethyl-n-octadecylsilane, 95%

CAS: 18643-08-8

Preparation of hydrophobic surfaces, chain terminator

Fórmula: C₂₀H₄₃ClSi

Pureza: 95%

Peso molecular: 347.1

Ref: 02-042414

Chlorodimethyloctadecylsilane

CAS: 18643-08-8

Fórmula: C₂₀H₄₃ClSi

Pureza: 95%

Cor e Forma: Liquid

Peso molecular: 347.0939

Ref: IN-DA0034LG

Chlorodimethyl(Octadecyl)Silane

CAS: 18643-08-8

Chlorodimethyl(Octadecyl)Silane

Pureza: 98%

Peso molecular: 347.09g/mol

Ref: 54-OR1029958

n-OCTADECYLDIMETHYLCHLOROSILANE, 97%

CAS: 18643-08-8

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-Octadecyldimethylchlorosilane; Dimethyl-n-octadecylchlorosilane; Chlorodimethyloctadecylsilane; Chlorodimethylsilyl-n-octadecane
Contains <5% C18 isomersEmployed in bonded HPLC reverse phases

Fórmula: C₂₀H₄₃ClSi

Pureza: 97% including isomers

Cor e Forma: Off-White Solid

Peso molecular: 347.1

Ref: 3H-SIO6615.1

n-OCTADECYLDIMETHYLCHLOROSILANE

CAS: 18643-08-8

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-Octadecyldimethylchlorosilane; Dimethyl-n-octadecylchlorosilane; Chlorodimethyloctadecylsilane; Chlorodimethylsilyl-n-octadecane
Contains 5-10% C18 isomersEmployed in bonded HPLC reverse phases

Fórmula: C₂₀H₄₃ClSi

Pureza: 97% including isomers

Cor e Forma: Off-White Solid

Peso molecular: 347.1

Ref: 3H-SIO6615.0

n-Octadecyldimethylchlorosilane

CAS: 18643-08-8

Fórmula: C₂₀H₄₃ClSi

Pureza: 95%

Cor e Forma: Solid

Peso molecular: 347.1

Ref: 10-S12175

n-OCTADECYLDIMETHYLCHLOROSILANE, 70% in toluene

CAS: 18643-08-8

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-Octadecyldimethylchlorosilane; Dimethyl-n-octadecylchlorosilane; Chlorodimethyloctadecylsilane; Chlorodimethylsilyl-n-octadecane
Contains 5-10% C18 isomers70% in toluene

Fórmula: C₂₀H₄₃ClSi

Cor e Forma: Straw Amber Liquid

Peso molecular: 347.1

Ref: 3H-SIO6615.2