N-OCTADECYLTRICHLOROSILANE
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- $45 - $1620
- Product name: N-OCTADECYLTRICHLOROSILANE
- CAS: 112-04-9
- MF: C18H37Cl3Si
- MW: 387.93
- EINECS:203-930-7
- MDL Number:MFCD00000484
- Synonyms:Octadecyltrichlorosilane, 5 - 10% branched isoMers;CO9750;Silane, octadecyltrichloro-;trichlorooctadecyl-silan;Trichloro(octadecyl)silane >=90%;STEARYLTRICHLOROSILANE;N-OCTADECYLTRICHLOROSILANE;TRICHLOROSTEARYLSILANE
28 prices
Selected condition：
Brand
- AHH
- AK Scientific
- Biosynth
- Chem-Impex
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
Package
- 250mg
- 500mg
- 1G
- 2.5g
- 25g
- 50g
- 100ml
- 100g
- 250g
- 500g
- 1000g
- 25 mL
- 100 mL
- 500 mL
- ManufacturerAHH
- Product numberMT-20346
- Product descriptionN-Octadecyltrichlorosilane 95%
- Packaging250g
- Price$478
- Updated2021-12-16
- Buy
- ManufacturerAHH
- Product numberMT-20346
- Product descriptionN-Octadecyl trichlorosilane 97%
- Packaging250g
- Price$478
- Updated2026-05-25
- Buy
- ManufacturerAHH
- Product numberMT-20346
- Product descriptionN-Octadecyl trichlorosilane 97%
- Packaging250g
- Price$478
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product number8903AC
- Product descriptionn-Octadecyltrichlorosilane
- Packaging25g
- Price$78
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFT62929
- Product descriptionTrichlorooctadecylsilane
- Packaging100g
- Price$900
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT62929
- Product descriptionTrichlorooctadecylsilane
- Packaging25g
- Price$900
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT62929
- Product descriptionTrichlorooctadecylsilane
- Packaging50g
- Price$900
- Updated2026-06-04
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- ManufacturerBiosynth
- Product numberFT62929
- Product descriptionTrichlorooctadecylsilane
- Packaging250g
- Price$972.5
- Updated2026-06-04
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- ManufacturerBiosynth
- Product numberFT62929
- Product descriptionTrichlorooctadecylsilane
- Packaging500g
- Price$1620
- Updated2026-06-04
- Buy
- ManufacturerChem-Impex
- Product number40427
- Product descriptionTrichlorooctadecylsilane ≥99%(GC)
- Packaging1G
- Price$294.24
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number40427
- Product descriptionTrichlorooctadecylsilane,99%(GC) 99%(GC)
- Packaging1G
- Price$241.92
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product number104817
- Product descriptionTrichloro(octadecyl)silane ≥90%
- Packaging25g
- Price$160
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number8.22170
- Product descriptionTrichlorooctadecylsilane for synthesis
- Packaging100ml
- Price$139
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number104817
- Product descriptionTrichloro(octadecyl)silane ≥90%
- Packaging100g
- Price$459
- Updated2026-04-30
- Buy
- ManufacturerSigma-Aldrich
- Product number104817
- Product descriptionTrichloro(octadecyl)silane ≥90%
- Packaging500g
- Price$1280
- Updated2026-04-30
- Buy
- ManufacturerTCI Chemical
- Product numberO0079
- Product descriptionTrichlorooctadecylsilane >85.0%(GC)
- Packaging25g
- Price$70
- Updated2026-04-30
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AHH | MT-20346 | N-Octadecyltrichlorosilane 95% | 250g | $478 | 2021-12-16 | Buy |
| AHH | MT-20346 | N-Octadecyl trichlorosilane 97% | 250g | $478 | 2026-05-25 | Buy |
| AHH | MT-20346 | N-Octadecyl trichlorosilane 97% | 250g | $478 | 2026-05-26 | Buy |
| AK Scientific | 8903AC | n-Octadecyltrichlorosilane | 25g | $78 | 2021-12-16 | Buy |
| Biosynth | FT62929 | Trichlorooctadecylsilane | 100g | $900 | 2026-06-04 | Buy |
| Biosynth | FT62929 | Trichlorooctadecylsilane | 25g | $900 | 2026-06-04 | Buy |
| Biosynth | FT62929 | Trichlorooctadecylsilane | 50g | $900 | 2026-06-04 | Buy |
| Biosynth | FT62929 | Trichlorooctadecylsilane | 250g | $972.5 | 2026-06-04 | Buy |
| Biosynth | FT62929 | Trichlorooctadecylsilane | 500g | $1620 | 2026-06-04 | Buy |
| Chem-Impex | 40427 | Trichlorooctadecylsilane ≥99%(GC) | 1G | $294.24 | 2026-05-19 | Buy |
| Chem-Impex | 40427 | Trichlorooctadecylsilane,99%(GC) 99%(GC) | 1G | $241.92 | 2021-12-16 | Buy |
| Sigma-Aldrich | 104817 | Trichloro(octadecyl)silane ≥90% | 25g | $160 | 2026-04-30 | Buy |
| Sigma-Aldrich | 8.22170 | Trichlorooctadecylsilane for synthesis | 100ml | $139 | 2026-04-30 | Buy |
| Sigma-Aldrich | 104817 | Trichloro(octadecyl)silane ≥90% | 100g | $459 | 2026-04-30 | Buy |
| Sigma-Aldrich | 104817 | Trichloro(octadecyl)silane ≥90% | 500g | $1280 | 2026-04-30 | Buy |
| TCI Chemical | O0079 | Trichlorooctadecylsilane >85.0%(GC) | 25g | $70 | 2026-04-30 | Buy |
Properties
Melting point :22°C
Boiling point :223 °C10 mm Hg(lit.)
Density :0.984 g/mL at 25 °C(lit.)
vapor density :>1 (vs air)
vapor pressure :<5 mm Hg ( 20 °C)
refractive index :n20/D 1.459(lit.)
Flash point :193 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Sparingly), Dichloromethane (Slightly)
form :A liquid
Specific Gravity :0.984
color :White or Colorless to Light yellow
Water Solubility :Decomposes in water.
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :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
CAS DataBase Reference :112-04-9(CAS DataBase Reference)
NIST Chemistry Reference :Silane, trichlorooctadecyl-(112-04-9)
EPA Substance Registry System :Silane, trichlorooctadecyl- (112-04-9)
Boiling point :223 °C10 mm Hg(lit.)
Density :0.984 g/mL at 25 °C(lit.)
vapor density :>1 (vs air)
vapor pressure :<5 mm Hg ( 20 °C)
refractive index :n
Flash point :193 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Sparingly), Dichloromethane (Slightly)
form :A liquid
Specific Gravity :0.984
color :White or Colorless to Light yellow
Water Solubility :Decomposes in water.
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :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
CAS DataBase Reference :112-04-9(CAS DataBase Reference)
NIST Chemistry Reference :Silane, trichlorooctadecyl-(112-04-9)
EPA Substance Registry System :Silane, trichlorooctadecyl- (112-04-9)
Safety Information
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Description
n-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.Related product price
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