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Silanes and silicones

Dibutyl(diethoxy)silane

Also known as Dibutyldi(ethoxy)silane

CAS 4781-98-0Formula C12H28O2SiMolar mass 232.44 g/mol
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Dibutyl(diethoxy)silane chemical structure, C12H28O2Si, CAS 4781-98-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4781-98-0
Formula
C12H28O2Si
Molar mass
232.44 g/mol
HS code
293190
Category
Silanes and silicones

What is Dibutyl(diethoxy)silane?

Plain description, key identifiers and synonyms

Dibutyl(diethoxy)silane is a chemical substance with the molecular formula C12H28O2Si and a molar mass of 232.44 g/mol. Its CAS registry number is 4781-98-0.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dibutyl(diethoxy)silane
CAS number
4781-98-0 CAS number cross-checked
Molecular formula
C12H28O2Si
InChIKey
DGPFXVBYDAVXLX-UHFFFAOYSA-N
InChI
InChI=1S/C12H28O2Si/c1-5-9-11-15(13-7-3,14-8-4)12-10-6-2/h5-12H2,1-4H3
SMILES (canonical and isomeric)
CCCC[Si](CCCC)(OCC)OCC

Synonyms

  • Dibutyldi(ethoxy)silane

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
232.44 g/molcalc.
Exact mass
232.1859 Dacalc.
LogP (octanol/water)
4.1calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
10calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Dibutyl(diethoxy)silane suppliers

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Dibutyl(diethoxy)silane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Dibutyl(diethoxy)silane 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 Dibutyl(diethoxy)silane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dibutyl(diethoxy)silane, based on the data on this page

What is Dibutyl(diethoxy)silane?

Dibutyl(diethoxy)silane is a chemical substance with the molecular formula C12H28O2Si and a molar mass of 232.44 g/mol. Its CAS registry number is 4781-98-0.

What is the CAS number of Dibutyl(diethoxy)silane?

The CAS registry number of Dibutyl(diethoxy)silane is 4781-98-0.

What is the molecular formula and weight of Dibutyl(diethoxy)silane?

The molecular formula of Dibutyl(diethoxy)silane is C12H28O2Si and its molar mass is 232.44 g/mol.

Is Dibutyl(diethoxy)silane hazardous?

No GHS hazard classification for Dibutyl(diethoxy)silane is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dibutyl(diethoxy)silane?

Dibutyl(diethoxy)silane 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 Dibutyl(diethoxy)silane?

Post a free request on CompoundList and suppliers of Dibutyl(diethoxy)silane will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Dibutyl(diethoxy)silane?

Suppliers quote Dibutyl(diethoxy)silane 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 Dibutyl(diethoxy)silane

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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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