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Monomers

4-(Phenylethynyl)styrene

Also known as p-(1-Phenylethyny)styrene, 1-(Phenylethynyl)-4-vinylbenzene

CAS 3365-10-4Formula C16H12Molar mass 204.27 g/mol
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4-(Phenylethynyl)styrene chemical structure, C16H12, CAS 3365-10-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3365-10-4
Formula
C16H12
Molar mass
204.27 g/mol
HS code
290290
Category
Monomers

What is 4-(Phenylethynyl)styrene?

Plain description, key identifiers and synonyms

4-(Phenylethynyl)styrene is a chemical substance with the molecular formula C16H12 and a molar mass of 204.27 g/mol. Its CAS registry number is 3365-10-4. The IUPAC name is 1-ethenyl-4-(2-phenylethynyl)benzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethenyl-4-(2-phenylethynyl)benzene
CAS number
3365-10-4
Molecular formula
C16H12
InChIKey
KFLSEVYZWWDMLA-UHFFFAOYSA-N
InChI
InChI=1S/C16H12/c1-2-14-8-10-16(11-9-14)13-12-15-6-4-3-5-7-15/h2-11H,1H2
SMILES (canonical and isomeric)
C=CC1=CC=C(C=C1)C#CC2=CC=CC=C2

Synonyms

  • p-(1-Phenylethyny)styrene
  • 1-(Phenylethynyl)-4-vinylbenzene

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
204.27 g/molcalc.
Exact mass
204.0939 Dacalc.
LogP (octanol/water)
3.73calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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, C(#Cc1ccccc1)c1ccccc1

C(#Cc1ccccc1)c1ccccc1

2 rings, 14 atoms, the Diphenylacetylene ring system.

794 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.

4-(Phenylethynyl)styrene suppliers

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4-(Phenylethynyl)styrene 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

Industries and functions

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 4-(Phenylethynyl)styrene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 4-(Phenylethynyl)styrene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-(Phenylethynyl)styrene, based on the data on this page

What is 4-(Phenylethynyl)styrene?

4-(Phenylethynyl)styrene is a chemical substance with the molecular formula C16H12 and a molar mass of 204.27 g/mol. Its CAS registry number is 3365-10-4. The IUPAC name is 1-ethenyl-4-(2-phenylethynyl)benzene.

What is the CAS number of 4-(Phenylethynyl)styrene?

The CAS registry number of 4-(Phenylethynyl)styrene is 3365-10-4.

What is the molecular formula and weight of 4-(Phenylethynyl)styrene?

The molecular formula of 4-(Phenylethynyl)styrene is C16H12 and its molar mass is 204.27 g/mol.

What is 4-(Phenylethynyl)styrene used for?

Known uses and roles of 4-(Phenylethynyl)styrene include monomers in plastics and polymers.

Is 4-(Phenylethynyl)styrene hazardous?

No GHS hazard classification for 4-(Phenylethynyl)styrene 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 4-(Phenylethynyl)styrene?

4-(Phenylethynyl)styrene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-(Phenylethynyl)styrene?

Post a free request on CompoundList and suppliers of 4-(Phenylethynyl)styrene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-(Phenylethynyl)styrene?

Suppliers quote 4-(Phenylethynyl)styrene 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 4-(Phenylethynyl)styrene

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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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