Sudan Orange G

苏丹橙G

Also known as: 2,4-Dihydroxyazobenzene, 4-(Phenylazo)resorcinol, C.I. Solvent Orange 1, C.I. Food Orange 3, Solvent Orange 1, Sudan G, Oil Orange G, Fat Orange A

CAS No.
2051-85-6
Jingsj CID
J-6777-7
Molecular Formula
C12H10N2O2
Chinese Name
苏丹橙G
Molecular Weight
214.22000 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point143-146ºC
Boiling Point407.501ºC at 760 mmHg
Density1.24g/cm3
Flash Point262.509ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Sudan Orange G?

2051-85-6

What are the molecular formula and molecular weight of Sudan Orange G?

C12H10N2O2, molecular weight 214.22000 g/mol

Is Sudan Orange G hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026