Carboxin

萎锈灵

Also known as: Vitavax, 2-Methyl-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide, 5,6-Dihydro-2-methyl-1,4-oxathiine-3-carboxanilide, Carbathiin, DCMO

Carboxin (CAS 5234-68-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H13NO2S and a molecular weight of 235.302 g/mol. It is also known as Vitavax, 2-Methyl-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide and 5,6-Dihydro-2-methyl-1,4-oxathiine-3-carboxanilide. Key properties include a melting point of 91.1-91.7°C, a boiling point of 420.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 208.2±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5234-68-4
Jingsj CID: J-32498-6
Molecular Formula: C₁₂H₁₃NO₂S
Chinese Name: 萎锈灵
Molecular Weight: 235.302 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	91.1-91.7°C
Boiling Point	420.6±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	208.2±28.7 °C
Exact Mass	235.066696
PSA	63.63000
LogP	3.00
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.636
Additional Property	10.095 g/100 mL

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Additional Information	[1]. Frampton CS, et al. Two polymorphic forms of the oxathiin systemic fungicide active carboxine. Acta Crystallogr E Crystallogr Commun. 2018 Nov 9;74(Pt 12):1741-1745. [2]. G.A.White, et al. Oxathiin carboxamides highly active against carboxin-resistant succinic dehydrogenase complexes from carboxin-selected mutants of Ustilago maydis and Aspergillus nidulans . Pestic Biochem Physiol. 1978 Oct;9(2):165-182.

Additional Information

[1]. Frampton CS, et al. Two polymorphic forms of the oxathiin systemic fungicide active carboxine. Acta Crystallogr E Crystallogr Commun. 2018 Nov 9;74(Pt 12):1741-1745. [2]. G.A.White, et al. Oxathiin carboxamides highly active against carboxin-resistant succinic dehydrogenase complexes from carboxin-selected mutants of Ustilago maydis and Aspergillus nidulans . Pestic Biochem Physiol. 1978 Oct;9(2):165-182.

Customs & Trade Information

HS Code	2934999038
Summary	2934999038 2-methyl-n-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide 4,4-dioxide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

Frequently Asked Questions

What is the CAS number of Carboxin?

The CAS number of Carboxin is 5234-68-4.

What are the molecular formula and molecular weight of Carboxin?

Carboxin has molecular formula C12H13NO2S and molecular weight 235.302 g/mol.

Is Carboxin hazardous?

Carboxin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Carboxin?

For Carboxin, Upstream Products: Acetoacetanilide, 2-Chloro-3-oxo-N-phenylbutanamide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Carboxin (CAS 5234-68-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32498-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.