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2-Chloro-3,5-dimethylpyrazine

Also known as: Pyrazine, 2-chloro-3,5-dimethyl-

2-Chloro-3,5-dimethylpyrazine (CAS 38557-72-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H7ClN2 and a molecular weight of 142.586 g/mol. Key properties include a boiling point of 186.6±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 83.1±11.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38557-72-1
Jingsj CID
J-1140751-5
Molecular Formula
C6H7ClN2
Molecular Weight
142.586 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point186.6±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point83.1±11.5 °C
Exact Mass142.029770
PSA25.78000
LogP1.56
Vapor Pressure0.9±0.3 mmHg at 25°C
Refractive Index1.526

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 2-Chloro-3,5-dimethylpyrazine?

The CAS number of 2-Chloro-3,5-dimethylpyrazine is 38557-72-1.

What are the molecular formula and molecular weight of 2-Chloro-3,5-dimethylpyrazine?

2-Chloro-3,5-dimethylpyrazine has molecular formula C6H7ClN2 and molecular weight 142.586 g/mol.

What are the upstream and downstream products of 2-Chloro-3,5-dimethylpyrazine?

For 2-Chloro-3,5-dimethylpyrazine, Upstream Products: 2,6-Dimethylpyrazine, 4-Fluorobenzeneboronic acid, 3,5-dimethylpyrazin-2(1H)-one; Downstream Products: 3,5-Dimethylpyrazin-2-amine, 2-Ethyl-3,5-dimethylpyrazine, 3,5-dimethylpyrazin-2(1H)-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. "2-Chloro-3,5-dimethylpyrazine (CAS 38557-72-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1140751-5 (accessed 2026-11-09).

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