Product

Methyl 3-aminosulfonylthiophene-2-carboxylate

CAS No.：59337-93-8

Other grades of this product :

Methyl 3-aminosulfonylthiophene-2-carboxylate Basic information

Product Name:	Methyl 3-aminosulfonylthiophene-2-carboxylate
Synonyms:	CL220;2-Methoxycarbonyl-Thiophene-3-Sulfonamide (Mst);3-(aminosulfonyl)-2-thiophenecarboxylicacimethylester;methyl3-(aminosulfonyl)-2-thiophenecarboxylate;METHYL 3-SULFAMOYLTHIOPHENE-2-CARBOXYLA&;methyl 3-Sulfonyl amino-2-thiophenecarboxylate;Methyl 3-aminosulfonylthiophene-2-carboxylate;2-(METHOXYCARBONYL)-THIOPHENE-3-SULFON-AMID
CAS:	59337-93-8
MF:	C6H7NO4S2
MW:	221.25
EINECS:	611-820-9
Product Categories:
Mol File:	59337-93-8.mol

Methyl 3-aminosulfonylthiophene-2-carboxylate Chemical Properties

Melting point	123-124 °C(Solv: water (7732-18-5))
Boiling point	428.3±55.0 °C(Predicted)
density	1.517±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
pka	9.55±0.60(Predicted)
EPA Substance Registry System	2-Thiophenecarboxylic acid, 3-(aminosulfonyl)-, methyl ester (59337-93-8)

Safety Information

Hazard Codes	Xi
Risk Statements	36-43
Safety Statements	26-36/37
HazardClass	IRRITANT

MSDS Information

Methyl 3-aminosulfonylthiophene-2-carboxylate Usage And Synthesis

Uses	Methyl 3-Aminosulfonyl-2-thiopene Carboxylate is an intermediate in the synthesis of Thifensulfuron-methyl (T344700), a sulfonylurea herbicide.

Methyl 3-aminosulfonylthiophene-2-carboxylate Preparation Products And Raw materials

Raw materials

Sulfuric acid-->Chloroform-->Sodium nitrite-->Ammonium chloride-->Methyl 3-amino-2-thiophenecarboxylate-->Methyl 3-chlorosulfonylthiophene-2-carboxylate-->methyl 3-[({[(4-hydroxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl}amino)sulfonyl]-2-thiophene methyl carboxylate-->Thifensulfuron methyl

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