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Silanes and silicones

Triethoxyhexadecylsilane

Also known as hexadecyltriethoxysilane, triethoxy(hexadecyl)silane, n-hexadecyltriethoxysilane

CAS 16415-13-7Formula C22H48O3SiMolar mass 388.71 g/molEC 240-465-9
GHS signal word: Warning. Pictograms: Harmful or irritant 4 suppliers listed
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Triethoxyhexadecylsilane chemical structure, C22H48O3Si, CAS 16415-13-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16415-13-7
Formula
C22H48O3Si
Molar mass
388.71 g/mol
EC number
240-465-9
HS code
293190
Category
Silanes and silicones

What is Triethoxyhexadecylsilane?

Plain description, key identifiers and synonyms

Triethoxyhexadecylsilane is a chemical substance with the molecular formula C22H48O3Si and a molar mass of 388.71 g/mol. Its CAS registry number is 16415-13-7. The IUPAC name is triethoxy(hexadecyl)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
triethoxy(hexadecyl)silane
CAS number
16415-13-7 CAS number cross-checked
EC number
240-465-9
Molecular formula
C22H48O3Si
MDL number
MFCD00054793
InChIKey
OYGYKEULCAINCL-UHFFFAOYSA-N
InChI
InChI=1S/C22H48O3Si/c1-5-9-10-11-12-13-14-15-16-17-18-19-20-21-22-26(23-6-2,24-7-3)25-8-4/h5-22H2,1-4H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC

Synonyms

  • hexadecyltriethoxysilane
  • triethoxy(hexadecyl)silane
  • n-hexadecyltriethoxysilane
  • Triethoxysilylhexadecane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
388.71 g/molcalc.
Exact mass
388.3373 Dacalc.
LogP (octanol/water)
7.52calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
21calc.
Heavy atoms
26calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Triethoxyhexadecylsilane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 4 suppliers
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Where suppliers are based

4 suppliers in 2 countries

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Triethoxyhexadecylsilane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Triethoxyhexadecylsilane is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Triethoxyhexadecylsilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Triethoxyhexadecylsilane, based on the data on this page

What is Triethoxyhexadecylsilane?

Triethoxyhexadecylsilane is a chemical substance with the molecular formula C22H48O3Si and a molar mass of 388.71 g/mol. Its CAS registry number is 16415-13-7. The IUPAC name is triethoxy(hexadecyl)silane.

What is the CAS number of Triethoxyhexadecylsilane?

The CAS registry number of Triethoxyhexadecylsilane is 16415-13-7.

What is the molecular formula and weight of Triethoxyhexadecylsilane?

The molecular formula of Triethoxyhexadecylsilane is C22H48O3Si and its molar mass is 388.71 g/mol.

What is Triethoxyhexadecylsilane used for?

Known uses and roles of Triethoxyhexadecylsilane include waterproofing agents in construction chemicals.

Is Triethoxyhexadecylsilane hazardous?

Triethoxyhexadecylsilane carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triethoxyhexadecylsilane?

Triethoxyhexadecylsilane is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triethoxyhexadecylsilane?

CompoundList lists 4 suppliers of Triethoxyhexadecylsilane in China and United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Triethoxyhexadecylsilane?

Suppliers quote Triethoxyhexadecylsilane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Triethoxyhexadecylsilane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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