1-Chloro-4-(4-methylphenyl)phthalazine

Also known as: 1-Chloro-4-(4-methylphenyl)phthalazine, 1-Chloro-4-p-tolylphthalazine, 1-chloro-4-tolylphthalazine, 1-Chloro-4-(p-tolyl)phthalazine

1-Chloro-4-(4-methylphenyl)phthalazine (CAS 76972-35-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H11ClN2 and a molecular weight of 254.71400 g/mol. Key properties include a boiling point of 450.1ºC at 760 mmHg, a density of 1.251 g/cm3 and a flash point of 258.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76972-35-5
Jingsj CID: J-1085414-5
Molecular Formula: C₁₅H₁₁ClN₂
Molecular Weight: 254.71400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	450.1ºC at 760 mmHg
Density	1.251 g/cm3
Flash Point	258.5ºC
Exact Mass	254.06100
PSA	25.78000
LogP	4.25860

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-Chloro-4-(4-methylphenyl)phthalazine?

The CAS number of 1-Chloro-4-(4-methylphenyl)phthalazine is 76972-35-5.

What are the molecular formula and molecular weight of 1-Chloro-4-(4-methylphenyl)phthalazine?

1-Chloro-4-(4-methylphenyl)phthalazine has molecular formula C15H11ClN2 and molecular weight 254.71400 g/mol.

What are the upstream and downstream products of 1-Chloro-4-(4-methylphenyl)phthalazine?

For 1-Chloro-4-(4-methylphenyl)phthalazine, Upstream Products: (4-Methylphenyl)-1-(2H)-phthalazinone, 2-(4-Methylbenzoyl)benzoic 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-Chloro-4-(4-methylphenyl)phthalazine (CAS 76972-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085414-5 (accessed 2026-11-09).

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