Pigment Yellow 5

C.I.颜料黄5

Also known as: 2-[(2-nitrophenyl)azo]-3-oxo-N-phenylbutanamide, 2-[(o-nitrophenyl)azo]acetoacetanilide, C.I. 11660, 3-keto-2-(2-nitrophenyl)azo-N-phenyl-butyramide, Butanamide, 2-(2-nitrophenyl)azo-3-oxo-N-phenyl-, 2-(2-nitrophenyl)diazenyl-3-oxo-N-phenylbutanamide, 2-[(E)-(2-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide

Pigment Yellow 5 (CAS 4106-67-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H14N4O4 and a molecular weight of 326.30700 g/mol. It is also known as 2-[(2-nitrophenyl)azo]-3-oxo-N-phenylbutanamide, 2-[(o-nitrophenyl)azo]acetoacetanilide and C.I. 11660. Key properties include a melting point of 225ºC, a boiling point of 525.3ºC at 760 mmHg, a density of 1.32 and a flash point of 271.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4106-67-6
Jingsj CID
J-31343-4
Molecular Formula
C16H14N4O4
Chinese Name
C.I.颜料黄5
Molecular Weight
326.30700 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point225ºC
Boiling Point525.3ºC at 760 mmHg
Density1.32
Flash Point271.5ºC

Frequently Asked Questions

What is the CAS number of Pigment Yellow 5?

The CAS number of Pigment Yellow 5 is 4106-67-6.

What are the molecular formula and molecular weight of Pigment Yellow 5?

Pigment Yellow 5 has molecular formula C16H14N4O4 and molecular weight 326.30700 g/mol.

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

Last updated:

How to cite: Jingsj. "Pigment Yellow 5 (CAS 4106-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31343-4 (accessed 2026-10-23).

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