4,7-Dichloroquinazoline

Also known as: 4,7-Dichloroquizoline, 4,7-dichloro-4a,8a-dihydroquinazoline, 4,7-dichloro-quinazoline, 4-chloro-7-chloro-quinazoline, 7-dichloroquinazoline, Quinazoline, 4,7-dichloro-

4,7-Dichloroquinazoline (CAS 2148-57-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H4Cl2N2 and a molecular weight of 199.037 g/mol. Key properties include a boiling point of 317.6±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 175.3±7.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2148-57-4
Jingsj CID: J-1523385-9
Molecular Formula: C₈H₄Cl₂N₂
Molecular Weight: 199.037 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	317.6±22.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	175.3±7.9 °C
Exact Mass	197.975159
PSA	25.78000
LogP	2.46
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.671
Storage Conditions	2-8°C

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 4,7-Dichloroquinazoline?

The CAS number of 4,7-Dichloroquinazoline is 2148-57-4.

What are the molecular formula and molecular weight of 4,7-Dichloroquinazoline?

4,7-Dichloroquinazoline has molecular formula C8H4Cl2N2 and molecular weight 199.037 g/mol.

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. "4,7-Dichloroquinazoline (CAS 2148-57-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523385-9 (accessed 2026-11-09).

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