6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione

N-甲基-4-甲氧基-1,8-萘二甲酰亚胺

Also known as: 6-Methoxy-2-methyl-1H-benzo[de]isoquinoline-1,3(2H)-dione, 4-Methoxy-N-methyl-1,8-naphthalimide, N-Methyl-4-methoxynaphthalimide, Fluorescent Brightener 162, Mikawhite AT, 4-Methoxy-N-methyl-1,8-naphthalenedicarbimide

6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione (CAS 3271-05-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H11NO3 and a molecular weight of 241.242 g/mol. It is also known as 6-Methoxy-2-methyl-1H-benzo[de]isoquinoline-1,3(2H)-dione, 4-Methoxy-N-methyl-1,8-naphthalimide and N-Methyl-4-methoxynaphthalimide. Key properties include a boiling point of 431.7±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 214.9±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3271-05-4
Jingsj CID: J-1480025-0
Molecular Formula: C₁₄H₁₁NO₃
Chinese Name: N-甲基-4-甲氧基-1,8-萘二甲酰亚胺
Molecular Weight: 241.242 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	431.7±28.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	214.9±24.0 °C

Frequently Asked Questions

What is the CAS number of 6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione?

The CAS number of 6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione is 3271-05-4.

What are the molecular formula and molecular weight of 6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione?

6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione has molecular formula C14H11NO3 and molecular weight 241.242 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. "6-Methoxy-2-methyl-1H-benz[de]isoquinoline-1,3(2H)-dione (CAS 3271-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480025-0 (accessed 2026-10-23).

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