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4-Methoxy-2-phenylazo-1-naphthol

2-苯偶氮基-4-甲氧基-1-萘酚

Also known as: 4-METHOXY-2-PHENYLAZO-1-NAPHTHOL, 4-Methoxy-2-phenylazo-1-naphtol, Methoxyphenylazonaphtol, 4-methoxy-2-[(E)-phenyldiazenyl]naphthalen-1-ol, 1-Naphthalenol, 4-methoxy-2-(2-phenyldiazenyl)-

4-Methoxy-2-phenylazo-1-naphthol (CAS 59900-33-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C17H14N2O2 and a molecular weight of 278.30500 g/mol. It is also known as 4-METHOXY-2-PHENYLAZO-1-NAPHTHOL, 4-Methoxy-2-phenylazo-1-naphtol and Methoxyphenylazonaphtol. Key properties include a melting point of 142ºC, a boiling point of 499.3ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 255.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59900-33-3
Jingsj CID
J-19696-1
Molecular Formula
C17H14N2O2
Chinese Name
2-苯偶氮基-4-甲氧基-1-萘酚
Molecular Weight
278.30500 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142ºC
Boiling Point499.3ºC at 760 mmHg
Density1.19g/cm3
Flash Point255.8ºC

Frequently Asked Questions

What is the CAS number of 4-Methoxy-2-phenylazo-1-naphthol?

The CAS number of 4-Methoxy-2-phenylazo-1-naphthol is 59900-33-3.

What are the molecular formula and molecular weight of 4-Methoxy-2-phenylazo-1-naphthol?

4-Methoxy-2-phenylazo-1-naphthol has molecular formula C17H14N2O2 and molecular weight 278.30500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methoxy-2-phenylazo-1-naphthol (CAS 59900-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19696-1 (accessed 2026-10-22).

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