Flazo Orange

Also known as: 2-Naphthalenol, 1-(5-chloro-2-hydroxyphenyl)azo-, 1-(5-Chloro-2-hydroxyphenylazo)-2-naphthol, 1-(2-Hydroxy-5-chlorophenylazo)-2-naphthol, 2-(2-Hydroxy-1-naphtylazo)-4-chlorophenol, Chlorohydroxyphenylazonaphthol, Einecs 222-653-2, NSC 83218, 2-Naphthalenol,1-[2-(5-chloro-2-hydroxyphenyl)diazenyl]-

Flazo Orange (CAS 3566-94-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H11ClN2O2 and a molecular weight of 298.72400 g/mol. Key properties include a boiling point of 464.8ºC, a density of 1.37 g/cm3 and a flash point of 234.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3566-94-7
Jingsj CID: J-1357236-6
Molecular Formula: C₁₆H₁₁ClN₂O₂
Molecular Weight: 298.72400 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	464.8ºC
Density	1.37 g/cm3
Flash Point	234.9ºC
Exact Mass	298.05100
PSA	65.18000
LogP	5.31980
Refractive Index	1.666

Customs & Trade Information

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Flazo Orange?

The CAS number of Flazo Orange is 3566-94-7.

What are the molecular formula and molecular weight of Flazo Orange?

Flazo Orange has molecular formula C16H11ClN2O2 and molecular weight 298.72400 g/mol.

What are the upstream and downstream products of Flazo Orange?

For Flazo Orange, Upstream Products: 2-Naphthol, 2-Amino-4-chlorophenol.

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. "Flazo Orange (CAS 3566-94-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357236-6 (accessed 2026-11-09).

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