317815-83-1

Basic information

• Product Name: Thiencarbazone-methyl
• Synonyms: Thiencarbazone-methyl;thiencarbazone
• CAS NO: 317815-83-1
• Molecular Formula: C₁₂H₁₄N₄O₇S₂
• Molecular Weight: 390.39216
• Mol File: 317815-83-1.mol

Chemical Properties

• Melting Point: 205°C
• Appearance: /
• Density: 1.65g/cm³
• Refractive Index: 1.677
• Solubility: Solubilities in organic solvents (g/l at 20 °C) Dimethylsulfoxide: 29.15 Ethyl acetate: 2.19 Acetone: 9.54 Ethanol: 0.23 Toluene: 0.91
• PKA: 3.0 (at 20 °C)
• Water Solubility: Solubility in water (at 20 °C) : 72 mg/l (unbuffered) 172 mg/l (pH 4) 436 mg/l (pH 7) 417 mg/l (pH 9)
• CAS DataBase Reference: Thiencarbazone-methyl(CAS DataBase Reference)
• NIST Chemistry Reference: Thiencarbazone-methyl(317815-83-1)
• EPA Substance Registry System: Thiencarbazone-methyl(317815-83-1)

Safety Data

• Hazard Codes: N
• Statements: 50/53
• Safety Statements: 60-61
• RIDADR: UN 3077 9 / PGIII
• WGK Germany: 2
• Hazardous Substances Data: 317815-83-1(Hazardous Substances Data)

Usage

Uses

Thiencarbazone is a herbicide, as well as metabolite of relevant pesticides.

InChI:InChI=1/C12H14N4O7S2/c1-6-8(7(5-24-6)9(17)22-3)25(20,21)14-10(18)16-12(19)15(2)11(13-16)23-4/h5H,1-4H3,(H,14,18)

Upstream product

• 135302-13-5 5-methoxy-4-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one 
• 317815-94-4 methyl 4-(chlorosulfonyl)-5-methylthiophene-3-carboxylate 
• 917-61-3 sodium isocyanate 
• 897671-34-0 methyl 4-isocyanatosulfonyl-5-methylthiophene-3-carboxylate 

Relevant articles and documents

METHOD FOR PREPARING METHYL 4-[(4,5-DIHYDRO-3-METHOXY-4-METHYL-5-OXO-1H-1,2,4-TRIAZOL-1-YL)CARBONYL)SULFAMOYL]-5-METHYLTHIOPHENE-3-CARBOXYLATE

The invention relates to a method for preparing methyl 4-[(4,5-dihydro-3-methoxy-4-methyl-5-oxo-1H-1,2,4-triazol-1-yl)carbonyl)sulfamoyl]-5-methylthiophene-3-carboxylate from 4-methoxycarbonyl-2-methylthiophene-3-sulfonyl chloride in the presence of an imidazole base substituted in the 1-position or in the presence of a mixture of bases comprising an imidazole base substituted in the 1-position (N-alkylimidazole).

METHOD FOR THE PRODUCTION OF SUBSTITUTED THIOPHENESULFONYL ISOCYANATES

The invention relates to a method for producing compounds of general formula (I), wherein R1 and R2 have the meaning indicated in the description, by reacting compounds of formula (II), wherein R1 and R2 have the meaning indicated in the description, with phosgene in the absence of a base and in the presence of one or several thinners and an optional catalyst.

Substituted thien-3-yl-sulphonylamino(thio)carbonyl-triazolin(ethi)ones

The invention relates to novel substituted thien-3-yl-sulphonylamino(thio)carbonyl-triazolin(ethi)ones of the general formula (I) in which Q1, Q2, R1, R2, R3 and R4 are each as defined in the description, and to salts of the compounds according to formula (I), to processes and to novel intermediates for their preparation and to their use as herbicides.