3,4,9,10-Perylenetetracarboxylic diimide

3,4,9,10-苝四甲酰二亚胺

Also known as: Pigment Violet 29, C.I. 71129, C.I. Pigment Violet 29, C.I. Pigment Brown 26, Perylimid, PTCDI, perylene-3,4,9,10-tetracarboximide, perylene-3,4,9,10-tetracarboxylic acid diimide, perylenediimide, anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone, EINECS 201-344-6

3,4,9,10-Perylenetetracarboxylic diimide (CAS 81-33-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C24H10N2O4 and a molecular weight of 392.363 g/mol. It is also known as Pigment Violet 29, C.I. 71129 and C.I. Pigment Violet 29. Key properties include a boiling point of 781.7±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 295.2±33.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 81-33-4
Jingsj CID: J-4715-7
Molecular Formula: C₂₄H₁₀N₂O₄
Chinese Name: 3,4,9,10-苝四甲酰二亚胺
Molecular Weight: 392.363 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	781.7±60.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	295.2±33.0 °C

Frequently Asked Questions

What is the CAS number of 3,4,9,10-Perylenetetracarboxylic diimide?

The CAS number of 3,4,9,10-Perylenetetracarboxylic diimide is 81-33-4.

What are the molecular formula and molecular weight of 3,4,9,10-Perylenetetracarboxylic diimide?

3,4,9,10-Perylenetetracarboxylic diimide has molecular formula C24H10N2O4 and molecular weight 392.363 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,4,9,10-Perylenetetracarboxylic diimide (CAS 81-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4715-7 (accessed 2026-10-23).

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