1,4,5,8-Naphthalenetetracarboxdiimide

Also known as: Benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone, 1,4,5,8-Naphthalenetetracarboxylic diimide, 1,8:4,5-Naphthalenetetracarboxdiimide, NTCDI, NSC 96429, 1,4,5,8-NAPHTHALENETETRACARBONDIIMIDE

1,4,5,8-Naphthalenetetracarboxdiimide (CAS 5690-24-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H6N2O4 and a molecular weight of 266.20800 g/mol. Key properties include a boiling point of 702.8ºC at 760mmHg, a density of 1.666g/cm3 and a flash point of 311.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5690-24-4
Jingsj CID: J-854470-5
Molecular Formula: C₁₄H₆N₂O₄
Molecular Weight: 266.20800 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	702.8ºC at 760mmHg
Density	1.666g/cm3
Flash Point	311.1ºC
Exact Mass	266.03300
PSA	99.86000
LogP	0.11880
Refractive Index	1.77

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,4,5,8-Naphthalenetetracarboxdiimide?

The CAS number of 1,4,5,8-Naphthalenetetracarboxdiimide is 5690-24-4.

What are the molecular formula and molecular weight of 1,4,5,8-Naphthalenetetracarboxdiimide?

1,4,5,8-Naphthalenetetracarboxdiimide has molecular formula C14H6N2O4 and molecular weight 266.20800 g/mol.

What are the upstream and downstream products of 1,4,5,8-Naphthalenetetracarboxdiimide?

For 1,4,5,8-Naphthalenetetracarboxdiimide, Upstream Products: 1,4,5,8-Naphthalenetetracarboxylic dianhydride, 1,5-Dichloronaphthalene, 1,4-Naphthalenedicarboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4,5,8-Naphthalenetetracarboxdiimide (CAS 5690-24-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854470-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.