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1-chloro-4-methylphthalazine

Also known as: 1-Chlor-4-methyl-phthalazin, 1-Chloro-4-methyl-phthalazine, 1-Chloro-4-methylphthalazine, 1-Methyl-4-chlorophthalazine, 1-chloro-4-methylpthalazine, 4-Chlor-1-methyl-phthalazin, 4-chloro-1-methyl-phthalazine, MT0, NSC 111227, Phthalazine,1-chloro-4-methyl

1-chloro-4-methylphthalazine (CAS 19064-68-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2 and a molecular weight of 178.61800 g/mol. Key properties include a melting point of 122-123ºC, a boiling point of 373.2ºC at 760mmHg, a density of 1.292g/cm3 and a flash point of 211.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19064-68-7
Jingsj CID
J-1036703-0
Molecular Formula
C9H7ClN2
Molecular Weight
178.61800 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point122-123ºC
Boiling Point373.2ºC at 760mmHg
Density1.292g/cm3
Flash Point211.3ºC
Exact Mass178.03000
PSA25.78000
LogP2.59160
Vapor Pressure0mmHg at 25°C
Refractive Index1.643

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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-chloro-4-methylphthalazine?

The CAS number of 1-chloro-4-methylphthalazine is 19064-68-7.

What are the molecular formula and molecular weight of 1-chloro-4-methylphthalazine?

1-chloro-4-methylphthalazine has molecular formula C9H7ClN2 and molecular weight 178.61800 g/mol.

What are the upstream and downstream products of 1-chloro-4-methylphthalazine?

For 1-chloro-4-methylphthalazine, Upstream Products: Phosphoryl chloride.

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

Last updated:

How to cite: Jingsj. "1-chloro-4-methylphthalazine (CAS 19064-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036703-0 (accessed 2026-11-06).

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