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Octadecyltrichlorosilane

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Origem: China

Cas No: 112-04-9

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 50 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 112-04-9 Formula: C18H37Cl3Si Molecular Weight: 387.93100

Description

Octadecyltrichlorosilane (ODTS, or n-octadecyltrichlorosilane) is an organometallic chemical. It is used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. Its structural chemical formula is CH3(CH2)17SiCl3. It is flammable, reacts with water, and is also sensitive to air. It is corrosive and can severely damage mucous membranes. Its EINECS number is 203-930-7.
Octadecyltrichlorosilane is an amphiphilic molecule consisting of a long-chain alkyl group (C18H37–) and a polar head group (SiCl3–), which forms Self assembled monolayers (SAMs) on various oxidic substrates.
ODTS finds its use in molecular electronics, as thin insulating gates in Metal-Insulator-Semiconductor Field-Effect Transistors.
Dodecyltrichlorosilane, an ODTS analog with shorter alkyl chain, is used for the same purpose as well.
ODTS-PVP films are used in organic-substrate LCD displays.

Basic Info

Chemical Name	Octadecyltrichlorosilane
Synonyms	N-OCTADECYLTRICHLOROSILANE; Trichloro(octadecyl)silane; Trichlorostearylsilane; Stearyltrichlorosilane; Silane, trichlorooctadecyl-; Trichlorooctadecylsilane;
CAS No.	112-04-9
Molecular Formula	C18H37Cl3Si
Molecular Weight	387.93100
PSA	0.00000
LogP	8.90320

Properties

Appearance & Physical State	Colorless clear liquid
Density	0.984 g/mL at 25 °C(lit.)
Boiling Point	223 °C10 mm Hg(lit.)
Melting Point	22°C
Flash Point	193 °F
Refractive Index	n20/D 1.459(lit.)
Stability	Stable. Reacts violently with water. Incompatible with strong acids, strong bases, strong oxidizing agents. Air-sensitive. Combustible.
Vapor Density	>1 (vs air)
Vapor Pressure	<5 mm Hg ( 20 °C)

Safety Info

RTECS	VV4680000
Hazard Class	8
Safety Statements	S26; S36/37/39; S43
HS Code	2931900090
WGK Germany	1
Packing Group	II
RIDADR	UN 1800 8/PG 2
Risk Statements	R14; R34; R29
Hazard Codes	C