C.I. Solvent Orange 2

溶剂橙2

Also known as: Solvent Orange 2, C.I. 12100, Oil Orange SS, Orange OT, 1-(o-Tolylazo)-2-naphthol, 1-[(2-methylphenyl)azo]-2-naphthol, FAT ORANGE RR, DAIDAI403, O-TOLUENE-AZO-2-NAPHTHOL, Orange RC, oranzss, orangess, corange2, fatorangeii, oilorangeot, aforangeno2

C.I. Solvent Orange 2 (CAS 2646-17-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H14N2O and a molecular weight of 262.30600 g/mol. It is also known as Solvent Orange 2, C.I. 12100 and Oil Orange SS. Key properties include a melting point of 124-126°C, a boiling point of 464.9ºC at 760 mmHg, a density of 1.15 g/cm3 and a flash point of 306.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2646-17-5
Jingsj CID
J-1990948-0
Molecular Formula
C17H14N2O
Chinese Name
溶剂橙2
Molecular Weight
262.30600 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point124-126°C
Boiling Point464.9ºC at 760 mmHg
Density1.15 g/cm3
Flash Point306.4ºC

GHS Safety & Compliance

Health HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of C.I. Solvent Orange 2?

The CAS number of C.I. Solvent Orange 2 is 2646-17-5.

What are the molecular formula and molecular weight of C.I. Solvent Orange 2?

C.I. Solvent Orange 2 has molecular formula C17H14N2O and molecular weight 262.30600 g/mol.

Is C.I. Solvent Orange 2 hazardous?

C.I. Solvent Orange 2 has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "C.I. Solvent Orange 2 (CAS 2646-17-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990948-0 (accessed 2026-10-24).

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