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3,4-Dimethoxystyrene

Also known as: 1,2-Dimethoxy-4-vinylbenzene, 4-ethenyl-1,2-dimethoxybenzene, 4-vinyl-1,2-dimethoxybenzene, 4-vinylveratrole, Benzene, 4-ethenyl-1,2-dimethoxy-, EINECS 228-962-9, MFCD00008615, 3,4-DIMETHOXYSTYRENE, TECH.

3,4-Dimethoxystyrene (CAS 6380-23-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.20100 g/mol. Key properties include a boiling point of 120-125ºC10 mm Hg(lit.), a density of 1.109 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction, H319 — Causes serious eye irritation and H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
6380-23-0
Jingsj CID
J-26114-3
Molecular Formula
C10H12O2
Molecular Weight
164.20100 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point120-125ºC10 mm Hg(lit.)
Density1.109 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass164.08400
PSA18.46000
LogP2.34680
Refractive Indexn20/D 1.571(lit.)

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H341 — Suspected of causing genetic defects
  • H351 — Suspected of causing cancer
  • H412 — Harmful to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 3,4-Dimethoxystyrene?

The CAS number of 3,4-Dimethoxystyrene is 6380-23-0.

What are the molecular formula and molecular weight of 3,4-Dimethoxystyrene?

3,4-Dimethoxystyrene has molecular formula C10H12O2 and molecular weight 164.20100 g/mol.

Is 3,4-Dimethoxystyrene hazardous?

3,4-Dimethoxystyrene has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation; H341 — Suspected of causing genetic defects.

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

Last updated:

How to cite: Jingsj. "3,4-Dimethoxystyrene (CAS 6380-23-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26114-3 (accessed 2026-11-09).

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