8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one

8,9,10,11-四氯-12H-异吲哚并[2,1-a]呸啶-12-酮

Also known as: Solvent Red 135, Solvent Red 162, C.I. 564120, 8,9,10,11-Tetrachloro-12H-phthaloperin-12-one, 8,9,10,11-tetrachloro-12-phthaloperinone, 12H-Phthaloperin-12-one, 8,9,10,11-tetrachloro-, Elbaplast Red G, Filester Red GA, Kayaset Red A-G, Oplas Red 339, Sumiplast Red H2G, Waxoline Red YP-FW

8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one (CAS 20749-68-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H6Cl4N2O and a molecular weight of 408.065 g/mol. It is also known as Solvent Red 135, Solvent Red 162 and C.I. 564120. Key properties include a boiling point of 646.3±65.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 344.6±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20749-68-2
Jingsj CID
J-1355503-2
Molecular Formula
C18H6Cl4N2O
Chinese Name
8,9,10,11-四氯-12H-异吲哚并[2,1-a]呸啶-12-酮
Molecular Weight
408.065 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point646.3±65.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point344.6±34.3 °C

Frequently Asked Questions

What is the CAS number of 8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one?

The CAS number of 8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one is 20749-68-2.

What are the molecular formula and molecular weight of 8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one?

8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one has molecular formula C18H6Cl4N2O and molecular weight 408.065 g/mol.

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

Last updated:

How to cite: Jingsj. "8,9,10,11-Tetrachloro-12H-isoindolo[2,1-a]perimidin-12-one (CAS 20749-68-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355503-2 (accessed 2026-10-24).

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