(2,2,5-trimethyl-1,3-dioxan-5-yl)methanol

5-羟甲基-2,2,5-三甲基-1,3-二噁烷

Also known as: 1,3-Dioxane-5-methanol, 2,2,5-trimethyl-, 2,2,5-Trimethyl-1,3-dioxane-5-methanol, 2,2-Dimethyl-5-hydroxymethyl-5-methyl-1,3-dioxane, 5-Hydroxymethyl-2,2,5-trimethyl-1,3-dioxane, MFCD05664353, NSC650610

(2,2,5-trimethyl-1,3-dioxan-5-yl)methanol (CAS 3663-46-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H16O3 and a molecular weight of 160.21100 g/mol. It is also known as 1,3-Dioxane-5-methanol, 2,2,5-trimethyl-, 2,2,5-Trimethyl-1,3-dioxane-5-methanol and 2,2-Dimethyl-5-hydroxymethyl-5-methyl-1,3-dioxane. Key properties include a boiling point of 212.7ºC at 760 mmHg, a density of 0.977g/cm3 and a flash point of 98.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3663-46-5
Jingsj CID: J-49367-9
Molecular Formula: C₈H₁₆O₃
Chinese Name: 5-羟甲基-2,2,5-三甲基-1,3-二噁烷
Molecular Weight: 160.21100 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	212.7ºC at 760 mmHg
Density	0.977g/cm3
Flash Point	98.9ºC

Frequently Asked Questions

What is the CAS number of (2,2,5-trimethyl-1,3-dioxan-5-yl)methanol?

The CAS number of (2,2,5-trimethyl-1,3-dioxan-5-yl)methanol is 3663-46-5.

What are the molecular formula and molecular weight of (2,2,5-trimethyl-1,3-dioxan-5-yl)methanol?

(2,2,5-trimethyl-1,3-dioxan-5-yl)methanol has molecular formula C8H16O3 and molecular weight 160.21100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2,2,5-trimethyl-1,3-dioxan-5-yl)methanol (CAS 3663-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49367-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.