Octadecyltrichlorosilane

HCID 8157CAS 112-04-9

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Basic information

Standard SMILES: CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl
InChIKey: PYJJCSYBSYXGQQ-UHFFFAOYSA-N
Molecular formula: C18H37Cl3Si
Average molar mass: 387.939 g/mol
Monoisotopic mass: 386.17301075

Names & identifiers

Preferred name: Octadecyltrichlorosilane
IUPAC: Trichloro(octadecyl)silane
English name: n-Octadecyltrichlorosilane
Molecular formula: C18H37Cl3Si
Molecular weight: 387.93

Names & synonyms

OCTADECYLTRICHLOROSILANESilane, trichlorooctadecyl-ODTSTrichlorosilyloctadecaneTRICHLOROOCTADECYLSILANEDK041CO9750TRICHLOROSTEARYLSILANESTEARYLTRICHLOROSILANEtrichlorooctadecyl-silan

Database identifiers

CAS: 112-04-9
PubChem CID: 8157
DTXSID: DTXSID50868051
UNII: 1QLE771PKE
EC Number: 203-930-7
Nikkaji: J36.483E

Properties

Physicochemical properties

Melting point: 22 °C · 22°C
Boiling point: 223 °C10 · 223 °C10 mm Hg(lit.)
Density: 0.984 g/mL · 0.984 g/mL at 25 °C(lit.)
vapor density: 1 · >1 (vs air)
vapor pressure: 5 mm · <5 mm Hg ( 20 °C)
refractive index: 20 · n20/D 1.459(lit.)
Flash point: 193 °F · 193 °F
storage temp.: 30 °C · Store below +30°C.
solubility: Chloroform (Sparingly), Dichloromethane (Slightly)
form: A liquid
Specific Gravity: 0.984 · 0.984
color: White or Colorless to Light yellow
Water Solubility: Decomposes in water.
Hydrolytic Sensitivity: 8 · 8: reacts rapidly with moisture, water, protic solvents
Sensitive: Moisture Sensitive
BRN: 1778847 · 1778847
Stability: Stable. Reacts violently with water. Incompatible with strong acids, strong bases, strong oxidizing agents. Air-sensitive. Combustible.
InChI: 1S/C18H37Cl3Si/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3
InChIKey: PYJJCSYBSYXGQQ-UHFFFAOYSA-N
SMILES: CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl
LogP: 6 · 6
CAS DataBase Reference: 112 · 112-04-9(CAS DataBase Reference)
FDA UNII: 1 QLE771PKE · 1QLE771PKE
NIST Chemistry Reference: Silane, trichlorooctadecyl-(112-04-9)
EPA Substance Registry System: Silane, trichlorooctadecyl- (112-04-9)
UNSPSC Code: 12352103 · 12352103
NACRES: 23 · NA.23
Symbol(GHS): 5 · GHS05
Signal word: Danger
Hazard statements: 314 · H314-H290
Precautionary statements: 501 · P501-P234-P264-P280-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes: C
Risk Statements: 14 · 14-34-29
Safety Statements: 26 · 26-36/37/39-43-45-8
RIDADR: 1800 · UN 1800
WGK Germany: 1 · 1
RTECS: 4680000 · VV4680000
F: 10 · 10-21
TSCA: TSCA listed
HazardClass: 8 · 8
PackingGroup: II
HS Code: 29319090 · 29319090
Storage Class: 8 A · 8A - Combustible corrosive hazardous materials
Hazard Classifications: 1 Skin · Eye Dam. 1Skin Corr. 1B
Hazardous Substances Data: 112 · 112-04-9(Hazardous Substances Data)
REACH Registrations: Active
Excepted Quantities: Not Permitted as Excepted Quantity

Safety & regulation

Safety data

F: 10-21
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk: 1
tsca: TSCA listed
rtecs: VV4680000
ridadr: UN 1800
hs_code: 29319090
risk_code: 14-34-29
Signal word: Danger
Symbol(GHS): GHS05
hazard_code: C
safety_code: 26-36/37/39-43-45-8
hazard_class: 8
Storage Class: 8A - Combustible corrosive hazardous materials
packing_group: II
Hazard statements: H314-H290
Excepted Quantities: Not Permitted as Excepted Quantity
REACH Registrations: Active
Hazard Classifications: Eye Dam. 1Skin Corr. 1B
Precautionary statements: P501-P234-P264-P280-P390-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P406-P405
Hazardous Substances Data: 112-04-9(Hazardous Substances Data)

Chemistry & industry

Applications · 2 items

Usesn-Octadecyltrichlorosilane is used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. Used in molecular electronics, as thin insulating gates in Metal-Insulator-Semiconductor Field-Effect Transistors. It is also used in platinum catalyzed synthesis.

General DescriptionA colorless liquid with a pungent odor. Flash point of 193°F. Decomposed by water to hydrochloric acid with the evolution of heat. Corrosive to metals and tissue. Used to make various silicon containing compounds.

Upstream & downstream products

Upstream raw materials

Suppliers50 total

国药集团化学试剂有限公司86-21-63210123 · [email protected]

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]

湖北科孚乐材料科技有限公司027-84459282 13720265353 · [email protected]

上海比阳实业有限公司+86-21-52699951; +8613917686115 · [email protected]

温州共赢化学有限公司+86-0086-577-64498589 +86-15355981851 · [email protected]

Related reactions

1 records

New reaction record

HRID 741790As reactantuspto-grants-1996_09

Linked notes

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