Basic information
- CAS
16415-12-6- Standard SMILES
CCCCCCCCCCCCCCCC[Si](OC)(OC)OC- InChIKey
RSKGMYDENCAJEN-UHFFFAOYSA-N- Molecular formula
- C19H42O3Si
- Average molar mass
- 346.6 g/mol
- Monoisotopic mass
- 346.29032173
Names & identifiers
- Preferred name
- Cetyl trimethoxysilane
- IUPAC
- hexadecyl(trimethoxy)silane
- English name
- Hexadecyltrimethoxysilane
- Molecular formula
- C19H42O3Si
- Molecular weight
- 346.62
Names & synonyms
Hexadecyltrimethoxysilane16415-12-6Silane, hexadecyltrimethoxy-Cetyl trimethoxysilanen-HexadecyltrimethoxysilaneDYNASYLAN 9116SILANE 116975S1VH3IBVP-SI 116AY 43-216MCEINECS 240-464-3DYNASYLAN-9116
Show more names
DK572KH-1631n-HexadecyltrimeHexatriemethoxysilaneTrimethoxyhexadecylsilanHEXADECYLTRIMETHOXYSILANHexadecyltriMethoxysilaMe
DTXSID9066047EC 240-464-3RefChem:575403DTXCID2035271CETYL TRIMETHOXYSILANE [INCI]240-464-3Trimethoxyhexadecylsilanehexadecyl(trimethoxy)silane
Database identifiers
- CAS
16415-12-6- PubChem CID
- 85406
- DTXSID
DTXSID9066047- UNII
- 975S1VH3IB
- EC Number
- 240-464-3
- Nikkaji
- J286.896B
Properties
Computed structural properties
- Topological polar surface area
- 27.7 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 18
- Heavy atoms
- 23
- Formal charge
- 0
- Complexity
- 224
Experimental & physicochemical properties
Physical DescriptionLarge Crystals; Liquid
Physicochemical properties
- Melting point
- -1 °C · -1°C
- Boiling point
- 155 °C · 155 °C
- Density
- 0.89 g/mL · 0.89 g/mL at 20 °C (lit.)
- vapor pressure
- 0 Pa · 0Pa at 20℃
- refractive index
- 20 · n20/D 1.44
- Flash point
- 165 °C · 165°C
- storage temp.
- Inert atmosphere,Room Temperature
- form
- clear liquid
- color
- Colorless to Almost colorless
- Specific Gravity
- 0.89 · 0.89
- Water Solubility
- 2 μg/L · 2μg/L at 20℃
- Hydrolytic Sensitivity
- 7 · 7: reacts slowly with moisture/water
- BRN
- 1949851 · 1949851
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 3.4% (5 of 147) of reports.
Warning
H315 (96.6%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 147 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Silane, hexadecyltrimethoxy-
Silane, hexadecyltrimethoxy- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silane, hexadecyltrimethoxy- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
REACH registered substance: Hexadecyltrimethoxysilane (EC: 240-464-3)
Hexadecyltrimethoxysilane: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesSkin Irrit. 2 (96.6%)
Safety data
- F
- 21
- wgk
- 1
- tsca
- TSCA listed
- hs_code
- 29319090
- risk_code
- 36/37/38
- Signal word
Chemistry & industry
Uses & manufacturing
U.S. Production2023: 75,000 - <500,000 lb
Consumer UsesHeat stabilizer
Industry UsesBinder
General Manufacturing Information
Paint and Coating Manufacturing
Silane, hexadecyltrimethoxy-: ACTIVE
Applications
UsesHexadecyltrimethoxysilane (HDTMS)may be used to prepare hydrophobic silica aerogels by sol-gel process.{80} HDTMS was coated upon silica covered aluminum pigments.{81} Metal nanoparticles (CeO2, Fe2O4, TiO2, ZnO) coated with HDTMS form stable dispersions in hydrocarbon solvents. {82} HDTMS may be used to functionalize polyisocyanurate (PIR) foams {84} and graphene.{83}
Suppliers100 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]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
湖北科孚乐材料科技有限公司027-84459282 13720265353 · [email protected]
苏州启航生物科技有限公司18151111370 · [email protected]
武汉欣扬瑞和化学科技有限公司153-07155313 15307155313 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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