2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine

八乙基卟吩

Also known as: Octaethylporphyrin, Octaethylporphine, 21H,23H-Porphine, 2,3,7,8,12,13,17,18-octaethyl-, 2,3,7,8,12,13,17,18-Octaethylporphyrin, 2,3,7,8,12,13,17,18-octaethyl-21,22-dihydroporphyrin, OEP

2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine (CAS 2683-82-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C36H46N4 and a molecular weight of 534.777 g/mol. It is also known as Octaethylporphyrin, Octaethylporphine and 21H,23H-Porphine, 2,3,7,8,12,13,17,18-octaethyl-. Key properties include a melting point of 322ºC, a boiling point of 800.3±60.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 332.9±25.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2683-82-1
Jingsj CID: J-31371-5
Molecular Formula: C₃₆H₄₆N₄
Chinese Name: 八乙基卟吩
Molecular Weight: 534.777 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	322ºC
Boiling Point	800.3±60.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	332.9±25.8 °C

Frequently Asked Questions

What is the CAS number of 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine?

The CAS number of 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine is 2683-82-1.

What are the molecular formula and molecular weight of 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine?

2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine has molecular formula C36H46N4 and molecular weight 534.777 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. "2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine (CAS 2683-82-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31371-5 (accessed 2026-10-23).

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