5-Chloro-2,4-diaminoquinazoline

Also known as: 2,4-Quinazolinediamine, 5-chloro-, 5-chloro-2,4-quinazolinediamine, 5-Chloro-quinazoline-2,4-diamine, 2,4-diamino-5-chloroquinazoline, Brn 0745674

5-Chloro-2,4-diaminoquinazoline (CAS 17511-21-6) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN4 and a molecular weight of 194.62100 g/mol. Key properties include a boiling point of 488.8ºC at 760mmHg, a density of 1.538g/cm3 and a flash point of 249.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17511-21-6
Jingsj CID: J-1028775-9
Molecular Formula: C₈H₇ClN₄
Molecular Weight: 194.62100 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	488.8ºC at 760mmHg
Density	1.538g/cm3
Flash Point	249.4ºC
Exact Mass	194.03600
PSA	77.82000
LogP	2.61000
Vapor Pressure	1.05E-09mmHg at 25°C
Refractive Index	1.791

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 5-Chloro-2,4-diaminoquinazoline?

The CAS number of 5-Chloro-2,4-diaminoquinazoline is 17511-21-6.

What are the molecular formula and molecular weight of 5-Chloro-2,4-diaminoquinazoline?

5-Chloro-2,4-diaminoquinazoline has molecular formula C8H7ClN4 and molecular weight 194.62100 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. "5-Chloro-2,4-diaminoquinazoline (CAS 17511-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1028775-9 (accessed 2026-11-09).

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