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1-Vinylnaphthalene

Also known as: 1-(1-Naphtyl)ethene, 1-ETHENYLNAPHTHALENE, 1-VINYLNAPHTHALENE, 1-Vinyl-naphthalene, 1-Vinylnaphthalene, 95%, stab. with 4-tert-Butylcatachol, 1-Vinylnaphthalene, stabilized with 4-tert-butylcatechol, 1-ethenylnaphthalene, 1-vinylnaphthalene, ALPHA-VINYLNAPHTHALENE, EINECS 212-560-5, MFCD00075766, Naphthalene, 1-ethenyl-, naphthalene,1-ethenyl-, α-vinylnaphthalene

1-Vinylnaphthalene (CAS 826-74-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10 and a molecular weight of 154.208 g/mol. Key properties include a boiling point of 270.9±7.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 115.5±8.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
826-74-4
Jingsj CID
J-2516-1
Molecular Formula
C12H10
Molecular Weight
154.208 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point270.9±7.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point115.5±8.9 °C
Exact Mass154.078247
LogP3.93
Vapor Pressure0.0±0.3 mmHg at 25°C
Refractive Index1.657

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 1-Vinylnaphthalene?

The CAS number of 1-Vinylnaphthalene is 826-74-4.

What are the molecular formula and molecular weight of 1-Vinylnaphthalene?

1-Vinylnaphthalene has molecular formula C12H10 and molecular weight 154.208 g/mol.

Is 1-Vinylnaphthalene hazardous?

1-Vinylnaphthalene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Vinylnaphthalene (CAS 826-74-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2516-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.