3-[(4-chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5,1-b]quinazolin-9(1H)-one

颜料橙67

Also known as: C.I. Pigment Orange 67, Pigment Orange 67, PO 67, C.I. 12915, Paliotol Orange L2930HD, Paliotol Orange D2953, (3E)-3-[(4-chloro-2-nitrophenyl)hydrazinylidene]-2-methylpyrazolo[5,1-b]quinazolin-9-one, Pyrazolo[5,1-b]quinazolin-9(1H)-one, 3-[(4-chloro-2-nitrophenyl)azo]-2-methyl-, 3-[(4-Chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5.1-b]quinazoline-9(1H)-one

3-[(4-chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5,1-b]quinazolin-9(1H)-one (CAS 74336-59-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H11ClN6O3 and a molecular weight of 382.76100 g/mol. It is also known as C.I. Pigment Orange 67, Pigment Orange 67 and PO 67. Key properties include a boiling point of 547.661ºC at 760 mmHg, a density of 1.644g/cm3 and a flash point of 285.015ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

74336-59-7

Jingsj CID

J-1322245-9

Molecular Formula

C₁₇H₁₁ClN₆O₃

Chinese Name

颜料橙67

Molecular Weight

382.76100 g/mol

Category

Organic Compounds

Last updated

8/21/2026