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Molecule
ID:128697
Structure
Similarity
Functional Group
Text
General Information
Structure
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Molecular Formula
C₂₁H₄₆O₃Si
Molecular Mass
374.67364
Exact Mass
374.32162186
Charge
0
InChI
InChI=1S/C21H46O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22-2,23-3)24-4/h5-21H2,1-4H3
InChIKey
SLYCYWCVSGPDFR-UHFFFAOYSA-N
Canonic Smiles
CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC
Isomeric Smiles
CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC
Calculated Properties
JChem
H Acceptors
3
H Donor
0
LogD (pH = 5.5)
7.357
LogD (pH = 7.4)
7.357
Log P
7.357
Molar Refractivity
104.8774
Polarizability
44.41981
Polar Surface Area
27.69
Rotatable Bonds
20
Lipinski's Rule of Five
false
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Registration numbers
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Properties
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Related Proteins
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Molecular Spectra
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Molecule Details
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References
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Bioactivity
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Academic Data
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Octadecyltrimethoxysilane
PubChem
76486
Commercial Catalog
Sigma Aldrich
376213
74763
Names and Identifiers
IUPAC name
trimethoxy(octadecyl)silane
IUPAC Systematic name
Trimethoxy(octadecyl)silane
Synonyms
n
-Octadecyltrimethoxysilane
Trimethoxyoctadecylsilane
Octadecyltrimethoxysilane
Trimethoxy(octadecyl)silane
三甲氧基(十八烷基)硅烷
Octadecyltrimethoxysilane
十八烷基三甲氧基硅烷
IUPAC Traditional name
octadecyltrimethoxysilane
Registration numbers
EC Number
221-339-2
Chemspider ID
68956
MeSH Name
n-Octadecyltrimethoxysilane
PubChem CID
76486
Beilstein Number
5791830
CAS Number
3069-42-9
Wikipedia Title
Octadecyltrimethoxysilane
PubChem SID
24863428
24886724
162223003
MDL Number
MFCD00043060
Molecule Details
Wikipedia
Octadecyltrimethoxysilane
Sigma Aldrich
376213
Packaging
25 mL in poly bottle
5 mL in glass bottle
74763
Caution
may become turbid on storage, partially crystallizes
References
PubChem Literature
No Data Available
Click here to submit data
Bioactivity
PubChem BioAssay
Registration numbers
•
EC Number
•
Chemspider ID
•
MeSH Name
•
PubChem CID
•
Beilstein Number
•
CAS Number
•
Wikipedia Title
•
PubChem SID
•
MDL Number
Properties
Safety Information
Safety Statements
S26
,
S36
Source
26
-
36
Source
NFPA704
1
2
0
Source
Risk Statements
R36
,
R37
,
R38
Source
36/37/38
Source
European Hazard Symbols
Irritant (Xi)
Source
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Source
GHS Hazard statements
H315
-
H319
-
H335
Source
German water hazard class
1
Source
Personal Protective Equipment
Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Source
GHS Precautionary statements
P261
-
P305+P351+P338
Source
MSDS Link
Download link
Source
Download link
Source
GHS Signal Word
Warning
Source
Physical Property
Melting Point
16 - 17°C
Source
16-17 °C(lit.)
Source
Boiling Point
170°C
Source
Density
0.883 g cm
-3
Source
0.883 g/mL at 25 °C(lit.)
Source
Refractive Index
1.438-1.44
Source
n20/D 1.439(lit.)
Source
n20/D 1.439
Source
Colorless liquid
Source
liquid
Source
284 °F
Source
140 °C
Source
Product Information
Linear Formula
CH3(CH2)17Si(OCH3)3
Source
Purity
90%
Source
≥90% (GC)
Source
Grade
technical grade
Source
technical
Source
Apperance
Flash Point