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6-Nitro-3,4-benzocoumarin

Also known as: 2-Nitro-6H-dibenzo[b,d]pyran-6-one, 2-Nitrodibenzopyranone, 2-Nitro-3,4-benzocoumarin, 2'-Hydroxy-5'-nitro-2-biphenylcarboxylic acid δ-lactone, NSC 55543

6-Nitro-3,4-benzocoumarin (CAS 6623-66-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H7NO4 and a molecular weight of 241.19900 g/mol. Key properties include a melting point of 259-261ºC (dec.)(lit.), a boiling point of 577.7ºC at 760 mmHg, a density of 1.47g/cm3 and a flash point of 303.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6623-66-1
Jingsj CID
J-1071567-0
Molecular Formula
C13H7NO4
Molecular Weight
241.19900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point259-261ºC (dec.)(lit.)
Boiling Point577.7ºC at 760 mmHg
Density1.47g/cm3
Flash Point303.2ºC
Exact Mass241.03800
PSA76.03000
LogP3.37760
Refractive Index1.72

Customs & Trade Information

HS Code2914700090
SummaryHS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 6-Nitro-3,4-benzocoumarin?

The CAS number of 6-Nitro-3,4-benzocoumarin is 6623-66-1.

What are the molecular formula and molecular weight of 6-Nitro-3,4-benzocoumarin?

6-Nitro-3,4-benzocoumarin has molecular formula C13H7NO4 and molecular weight 241.19900 g/mol.

What are the upstream and downstream products of 6-Nitro-3,4-benzocoumarin?

For 6-Nitro-3,4-benzocoumarin, Upstream Products: 3-Nitrophenylboronic acid, Methyl 2-iodobenzoate, Phenanthrene; Downstream Products: 2-Amino-6H-dibenzo[b,d]pyran-6-one.

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

Last updated:

How to cite: Jingsj. "6-Nitro-3,4-benzocoumarin (CAS 6623-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071567-0 (accessed 2026-11-09).

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