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Aromatic building blocks

Stilbene oxide

Also known as Oxirane, 2,3-diphenyl-, 2,3-Diphenyloxirane, 1,2-Diphenylethyleneoxide

CAS 17619-97-5Formula C14H12OMolar mass 196.25 g/mol
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Stilbene oxide chemical structure, C14H12O, CAS 17619-97-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17619-97-5
Formula
C14H12O
Molar mass
196.25 g/mol
HS code
291090
Category
Aromatic building blocks

What is Stilbene oxide?

Plain description, key identifiers and synonyms

Stilbene oxide is an epoxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,3-diphenyloxirane
CAS number
17619-97-5Other or deprecated CAS: 1689-71-0
Molecular formula
C14H12O
UNII
L47V7XQ2XK
MDL number
MFCD00064311, MFCD00066627
InChIKey
ARCJQKUWGAZPFX-UHFFFAOYSA-N
InChI
InChI=1S/C14H12O/c1-3-7-11(8-4-1)13-14(15-13)12-9-5-2-6-10-12/h1-10,13-14H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C2C(O2)C3=CC=CC=C3

Synonyms

  • Oxirane, 2,3-diphenyl-
  • 2,3-Diphenyloxirane
  • 1,2-Diphenylethyleneoxide
  • 2,3-Diphenyl-oxirane
  • Bibenzyl, alpha,alpha'-epoxy-
  • 1,2-Diphenylethylene oxide
  • Oxirane, 2,3-diphenyl- (9CI)
  • trans-1,2-Diphenylethylene oxide
  • 1,2-Diphenyl-1,2-epoxyethane
  • Oxirane,3-diphenyl-
  • 2,3-Diphenyloxirane #
  • Bibenzyl,alpha'-epoxy-
  • Oxirane,3-diphenyl-, cis-
  • ghl.PD_Mitscher_leg0.611
  • Bibenzyl,alpha'-epoxy-, cis-
  • Bibenzyl, alpha,alpha'-epoxy-, cis-

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
196.25 g/molcalc.
Exact mass
196.0888 Dacalc.
LogP (octanol/water)
3.5calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(C2OC2c2ccccc2)cc1

c1ccc(C2OC2c2ccccc2)cc1

3 rings, 15 atoms. This chemical is the scaffold itself.

72 other chemicals share this scaffold

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.

Stilbene oxide suppliers

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  • Specs
    Netherlands, ZoetermeerUnclaimed profile
    Stilbene oxideGrade, purity and minimum order on request
    Price on request
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Stilbene oxide 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 Stilbene oxide is traded under.

HS 2910.90Indicative HS code

Epoxides with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$467M
−2.9% vs 2023, imports $501M
2019 to 2024
Top exporters
  1. Netherlands24.5%
  2. China19.7%
  3. Japan18.8%
Top importers
  1. United States17.6%
  2. Germany16.3%
  3. China10.8%
Reported customs values in USD, not prices.Full trade data

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

Guides for buyers

Practical guides that help when you source, ship or handle Stilbene oxide

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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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