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5234-68-4

5234-68-4 structure
5234-68-4 structure
  • Name: Carboxin
  • Chemical Name: carboxin
  • CAS Number: 5234-68-4
  • Molecular Formula: C12H13NO2S
  • Molecular Weight: 235.302
  • Catalog: Chemical pesticide Fungicide Other fungicides
  • Create Date: 2018-04-02 08:00:00
  • Modify Date: 2025-08-25 18:35:53
  • Carboxin (Carboxine) is a systemic agricultural fungicide and seed protectant.
Name carboxin
Synonyms 2-Methyl-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide
N3-Phenyl-2-methyl-5,6-dihydro-1,4-oxathiine-3-carboxamide
5,6-dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide
CARBOXIN
Vitavax 735D
6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide
2,3-dihydro-6-methyl-5-phenylcarbamyl-1,4-oxathiin
Vitavax 100
Carbathiine
MFCD00055403
EINECS 226-031-1
Carbathiin
5,6-Dihydro-2-methyl-1,4-oxathiine-3-carboxanilide
Vitavax 75W
1,4-Oxathiin-3-carboxamide, 5,6-dihydro-2-methyl-N-phenyl-
T6O DS BUTJ B1 CVMR
2,3-dihydro-5-carboxanilido-6-methyl-1,4-oxathiin
5,6-Dihydro-3-methyl-N-phenyl-1,4-oxathin-2-carboxamide
Vitavax
Carboxine
DMOC
DCMO
Description Carboxin (Carboxine) is a systemic agricultural fungicide and seed protectant.
Related Catalog
In Vitro Carboxin (Carboxine) is a systemic fungicide from the oxathiin class of agents. Carboxin demonstrates high specificity against the fungal class Basideomycetes, Deuteromycetes and Phycomycetes[1]. The systemic fungicide Carboxin is a powerful inhibitor of succinate oxidation in mitochondria[2].
References

[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.
Density 1.3±0.1 g/cm3
Boiling Point 420.6±45.0 °C at 760 mmHg
Melting Point 91.1-91.7°C
Molecular Formula C12H13NO2S
Molecular Weight 235.302
Flash Point 208.2±28.7 °C
Exact Mass 235.066696
PSA 63.63000
LogP 3.00
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.636
Water Solubility 10.095 g/100 mL

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RP4550000
CHEMICAL NAME :
1,4-Oxathiin-3-carboxamide, 5,6-dihydro-2-methyl-N-phenyl-
CAS REGISTRY NUMBER :
5234-68-4
BEILSTEIN REFERENCE NO. :
0983249
LAST UPDATED :
199701
DATA ITEMS CITED :
14
MOLECULAR FORMULA :
C12-H13-N-O2-S
MOLECULAR WEIGHT :
235.32
WISWESSER LINE NOTATION :
T6O DS BUTJ B1 CVMR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
430 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>20 gm/m3/1H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1050 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - muscle contraction or spasticity
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
24 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - cyanosis
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - wild bird species
DOSE/DURATION :
42200 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
54300 ug/m3/4H/6W-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
161 gm/kg/2Y-I
TOXIC EFFECTS :
Gastrointestinal - other changes Liver - fatty liver degeneration Blood - changes in erythrocyte (RBC) count

MUTATION DATA

TEST SYSTEM :
Rodent - rat
DOSE/DURATION :
382 mg/kg/48H (Continuous)
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 12,235,1988 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi,Xn
Risk Phrases R21/22
Safety Phrases 36-26
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS RP4550000
HS Code 2934999038
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%
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