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2-Allylphenol

Also known as: o-allylphenol, 2-(2-propenyl)phenol, 2-prop-2-enylphenol, 2LP, ALLYLPHENOL-2, ORTHO-ALLYLPHENOL, Phenol, o-allyl-, Phenol,o-allyl, allylphenol, o-allyl-phenol, 2-(prop-2-en-1-yl)phenol, 1-allyl-2-hydroxybenzene

2-Allylphenol (CAS 1745-81-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.17500 g/mol. Key properties include a melting point of -6 °C, a boiling point of 220 °C(lit.), a density of 1.028 g/mL at 25 °C(lit.) and a flash point of 88.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
1745-81-9
Jingsj CID
J-13620-2
Molecular Formula
C9H10O
Molecular Weight
134.17500 g/mol
Category
Alcohols
Last updated
11/2/2026

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Physicochemical Properties

Melting Point-6 °C
Boiling Point220 °C(lit.)
Density1.028 g/mL at 25 °C(lit.)
Flash Point88.9 °C
Exact Mass134.07300
PSA20.23000
LogP2.12070
Vapor Pressure0.0783mmHg at 25°C
Refractive Indexn20/D 1.546(lit.)
Additional Property7 g/L (20 ºC)

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code29071900

Frequently Asked Questions

What is the CAS number of 2-Allylphenol?

The CAS number of 2-Allylphenol is 1745-81-9.

What are the molecular formula and molecular weight of 2-Allylphenol?

2-Allylphenol has molecular formula C9H10O and molecular weight 134.17500 g/mol.

Is 2-Allylphenol hazardous?

2-Allylphenol has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 2-Allylphenol?

For 2-Allylphenol, Upstream Products: (2-allylphenoxy)trimethylsilane, Allyl phenyl ether, Allyl chloride; Downstream Products: 2-Allylanisole, (2-Methoxyphenyl)acetaldehyde, 2-Methylbenzofuran.

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

Last updated:

How to cite: Jingsj. "2-Allylphenol (CAS 1745-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13620-2 (accessed 2026-11-06).

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