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2-hydroxy-3-methyl-1,4-naphthoquinone

Also known as: Phthiocol, Phthiokol, 2-Methyl-3-hydroxy-1,4-naphthoquinone, 3-Hydroxy-2-methyl-1,4-naphthoquinone, 2-hydroxy-3-methylnaphthalene-1,4-dione, 1,4-Naphthalenedione, 2-hydroxy-3-methyl-, 1,4-Naphthoquinone, 2-hydroxy-3-methyl-, EINECS 207-594-2, Vitamin K1 Impurity 88, Phytonadione Impurity 12, Vitamin K1 Related Compound 3

2-hydroxy-3-methyl-1,4-naphthoquinone (CAS 483-55-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H8O3 and a molecular weight of 188.17900 g/mol. Key properties include a boiling point of 342.655ºC at 760 mmHg, a density of 1.389 g/cm3 and a flash point of 175.232ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
483-55-6
Jingsj CID
J-1512958-5
Molecular Formula
C11H8O3
Molecular Weight
188.17900 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point342.655ºC at 760 mmHg
Density1.389 g/cm3
Flash Point175.232ºC
Exact Mass188.04700
PSA54.37000
LogP1.89760
Vapor Pressure0mmHg at 25°C
Refractive Index1.646

Frequently Asked Questions

What is the CAS number of 2-hydroxy-3-methyl-1,4-naphthoquinone?

The CAS number of 2-hydroxy-3-methyl-1,4-naphthoquinone is 483-55-6.

What are the molecular formula and molecular weight of 2-hydroxy-3-methyl-1,4-naphthoquinone?

2-hydroxy-3-methyl-1,4-naphthoquinone has molecular formula C11H8O3 and molecular weight 188.17900 g/mol.

What are the upstream and downstream products of 2-hydroxy-3-methyl-1,4-naphthoquinone?

For 2-hydroxy-3-methyl-1,4-naphthoquinone, Upstream Products: 2-Methyl-1-naphthol, Formaldehyde, 2-Hydroxy-1,4-naphthoquinone; Downstream Products: 2-Hydroxy-1,4-naphthoquinone.

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-hydroxy-3-methyl-1,4-naphthoquinone (CAS 483-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1512958-5 (accessed 2026-11-09).

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