3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one

Also known as: 2H-1,4-Oxazin-2-one, 3,5-dichloro-6-methyl-, 3,5-DICHLORO-6-METHYL-1,4-OXAZIN-2-ONE, 3,5-dichloro-2H-1,4-oxazin-2-one, 3,5-dichloro-6-methyl-1,4-oxazin-2-one, 3,5-dichloro-6-methyl-2(H)-1,4-oxazin-2-one, 3,5-dichloro-6-methyl-[1,4]oxazin-2-one, 6-methyl-3,5-dichloro-2H-1,4-oxazin-2-one

3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one (CAS 125849-94-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2NO2 and a molecular weight of 179.98900 g/mol. Key properties include a boiling point of 212.12ºC at 760 mmHg, a density of 1.628 g/cm3 and a flash point of 82.088ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 125849-94-7
Jingsj CID: J-1390464-8
Molecular Formula: C₅H₃Cl₂NO₂
Molecular Weight: 179.98900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	212.12ºC at 760 mmHg
Density	1.628 g/cm3
Flash Point	82.088ºC
Exact Mass	178.95400
PSA	43.10000
LogP	1.65000

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one?

The CAS number of 3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one is 125849-94-7.

What are the molecular formula and molecular weight of 3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one?

3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one has molecular formula C5H3Cl2NO2 and molecular weight 179.98900 g/mol.

What are the upstream and downstream products of 3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one?

For 3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one, Upstream Products: Oxalyl chloride; Downstream Products: 2,6-Dichloro-3-methylpyridine.

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. "3,5-Dichloro-6-methyl-2H-1,4-oxazin-2-one (CAS 125849-94-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390464-8 (accessed 2026-11-09).

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