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2,3-Dihydro-1,4-benzodioxin-2-ylmethanol

Also known as: 1,4-Benzodioxane-2-methanol, 2-(Hydroxymethyl)-1,4-benzodioxane, 2-Hydroxymethyl-1,4-benzodioxane, 1,4-Benzodioxan-2-methanol, 2,3-Dihydro-1,4-benzodioxin-2-methanol, 2-(Hydroxymethyl)-2,3-dihydro-1,4-benzodioxin, 2-Hydroxymethyl-1,4-benzodioxan, (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanol, 2,3,4a,8a-Tetrahydro-1,4-benzodioxin-3-ylmethanol, 2-O,3-O-(1,2-Phenylene)glycerol

2,3-Dihydro-1,4-benzodioxin-2-ylmethanol (CAS 3663-82-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 87-90 °C(lit.), a boiling point of 281.1±19.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 123.8±21.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3663-82-9
Jingsj CID
J-1497887-1
Molecular Formula
C9H10O3
Molecular Weight
166.174 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point87-90 °C(lit.)
Boiling Point281.1±19.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point123.8±21.5 °C
Exact Mass166.062988
PSA38.69000
LogP0.86
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.544

Customs & Trade Information

HS Code2932999099
Summary2932999099. 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 2,3-Dihydro-1,4-benzodioxin-2-ylmethanol?

The CAS number of 2,3-Dihydro-1,4-benzodioxin-2-ylmethanol is 3663-82-9.

What are the molecular formula and molecular weight of 2,3-Dihydro-1,4-benzodioxin-2-ylmethanol?

2,3-Dihydro-1,4-benzodioxin-2-ylmethanol has molecular formula C9H10O3 and molecular weight 166.174 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3-Dihydro-1,4-benzodioxin-2-ylmethanol (CAS 3663-82-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497887-1 (accessed 2026-11-09).

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