Pigment Yellow 55

颜料黄55

Also known as: C.I. Pigment Yellow 55, C.I. 21096, Fast Yellow 2RN, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methylphenyl)-3-oxobutanamide], 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methylphenyl)-3-oxobutyramide], Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methylphenyl)-3-oxo-

Pigment Yellow 55 (CAS 6358-37-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H30Cl2N6O4 and a molecular weight of 657.546 g/mol. It is also known as C.I. Pigment Yellow 55, C.I. 21096 and Fast Yellow 2RN. Key properties include a boiling point of 810.0±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 443.7±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6358-37-8
Jingsj CID
J-1072526-3
Molecular Formula
C34H30Cl2N6O4
Chinese Name
颜料黄55
Molecular Weight
657.546 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point810.0±65.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point443.7±34.3 °C

Frequently Asked Questions

What is the CAS number of Pigment Yellow 55?

The CAS number of Pigment Yellow 55 is 6358-37-8.

What are the molecular formula and molecular weight of Pigment Yellow 55?

Pigment Yellow 55 has molecular formula C34H30Cl2N6O4 and molecular weight 657.546 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 55 (CAS 6358-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1072526-3 (accessed 2026-10-25).

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