Pigment Yellow 109

颜料黄109

Also known as: C.I. Pigment Yellow 109, 3,3'-[(2-methyl-1,3-phenylene)diimino]bis[4,5,6,7-tetrachloro-1H-isoindol-1-one], 4,5,6,7-tetrachloro-3-[2-methyl-3-[(4,5,6,7-tetrachloro-3-oxoisoindol-1-yl)amino]anilino]isoindol-1-one, 1H-Isoindol-1-one, 3,3-(2-methyl-1,3-phenylene)diiminobis4,5,6,7-tetrachloro-, 1H-Isoindol-1-one,3,3'-((2-methyl-1,3-phenylene)diimino)bis(4,5,6,7-tetrachloro, EINECS 225-744-5, N,N'-(2-Methyl-1,3-phenylene)bis(3-oxo-4,5,6,7-tetrachloro-2,3-dihydro-1H-isoindole-1-imine), N,N'-(2-Methyl-1,3-phenylene)bis(3-oxo-4,5,6,7-tetrachloroisoindoline-1-imine), Pigment yellow 109

Pigment Yellow 109 (CAS 5045-40-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H8Cl8N4O2 and a molecular weight of 655.95900 g/mol. It is also known as C.I. Pigment Yellow 109, 3,3'-[(2-methyl-1,3-phenylene)diimino]bis[4,5,6,7-tetrachloro-1H-isoindol-1-one] and 4,5,6,7-tetrachloro-3-[2-methyl-3-[(4,5,6,7-tetrachloro-3-oxoisoindol-1-yl)amino]anilino]isoindol-1-one. Key properties include a boiling point of 799.3ºC at 760mmHg, a density of 1.89g/cm3 and a flash point of 437.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5045-40-9
Jingsj CID
J-848373-3
Molecular Formula
C23H8Cl8N4O2
Chinese Name
颜料黄109
Molecular Weight
655.95900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point799.3ºC at 760mmHg
Density1.89g/cm3
Flash Point437.2ºC

Frequently Asked Questions

What is the CAS number of Pigment Yellow 109?

The CAS number of Pigment Yellow 109 is 5045-40-9.

What are the molecular formula and molecular weight of Pigment Yellow 109?

Pigment Yellow 109 has molecular formula C23H8Cl8N4O2 and molecular weight 655.95900 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 109 (CAS 5045-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-848373-3 (accessed 2026-10-26).

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