Sesamol

Also known as: 1,3-Benzodioxol-5-ol, 3,4-Methylenedioxyphenol, 5-Hydroxy-1,3-benzodioxole, 4-Hydroxy-1,2-methylenedioxybenzene, 1-hydroxy-3,4-methylenedioxybenzene, 5-Benzodioxolol, 1,2,4-Benzenetriol methylene ether, Methylene ether of oxyhydroquinone, NSC 59256

Sesamol (CAS 533-31-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H6O3 and a molecular weight of 138.121 g/mol. Key properties include a melting point of 62-65 °C(lit.), a boiling point of 274.0±29.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 119.5±24.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 533-31-3
Jingsj CID: J-44515-9
Molecular Formula: C₇H₆O₃
Molecular Weight: 138.121 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	62-65 °C(lit.)
Boiling Point	274.0±29.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	119.5±24.3 °C
Exact Mass	138.031693
PSA	38.69000
LogP	1.52
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.609
Additional Property	slightly soluble

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information	[1]. Kapadia GJ, et al. Chemopreventive effect of resveratrol, sesamol, sesame oil and sunflower oil in the Epstein-Barrvirus early antigen activation assay and the mouse skin two-stage carcinogenesis. Pharmacol Res. 2002 Jun;45(6):499-505. [2]. Liu Z, et al. Sesamol Induces Human Hepatocellular Carcinoma Cells Apoptosis by Impairing MitochondrialFunction and Suppressing Autophagy. Sci Rep. 2017 Apr 4;7:45728.

Additional Information

[1]. Kapadia GJ, et al. Chemopreventive effect of resveratrol, sesamol, sesame oil and sunflower oil in the Epstein-Barrvirus early antigen activation assay and the mouse skin two-stage carcinogenesis. Pharmacol Res. 2002 Jun;45(6):499-505. [2]. Liu Z, et al. Sesamol Induces Human Hepatocellular Carcinoma Cells Apoptosis by Impairing MitochondrialFunction and Suppressing Autophagy. Sci Rep. 2017 Apr 4;7:45728.

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Sesamol?

The CAS number of Sesamol is 533-31-3.

What are the molecular formula and molecular weight of Sesamol?

Sesamol has molecular formula C7H6O3 and molecular weight 138.121 g/mol.

Is Sesamol hazardous?

Sesamol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Sesamol?

For Sesamol, Upstream Products: 1-(1,3-Benzodioxol-5-yl)propan-1-one, 1,3-Benzodioxole, 5-Chloro-1,3-benzodioxole; Downstream Products: 2-(1,3-benzodioxol-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Kakuol, Trabectedin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Sesamol (CAS 533-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44515-9 (accessed 2026-11-07).

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