Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate

Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate - Names and Identifiers

Name	Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate
Synonyms	Ethyl 3-chloro-5-aminosulfonyl-1-methylpyrazole-4-carboxylate Ethyl 3-chloro-1-Methyl-5-sulfaMoyl-1H-pyrazole-4-carboxylate Ethyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxyla... 3-Chloro-1-Methyl-5-Sulfamoyl-1H-Pyrazole-4-Carboxylic Acid Methyl Ester 5-(Aminosulfonyl)-3-chloro-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester 1H-pyrazole-4-carboxylic acid, 5-(aminosulfonyl)-3-chloro-1-methyl-, ethyl ester 1H-Pyrazole-4-carboxylic acid, 5-(aminosulfonyl)-3-chloro-1-methyl-, ethyl ester
CAS	100784-26-7
InChI	InChI=1/C7H10ClN3O4S/c1-3-15-7(12)4-5(8)10-11(2)6(4)16(9,13)14/h3H2,1-2H3,(H2,9,13,14)

Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate - Physico-chemical Properties

Molecular Formula	C7H10ClN3O4S
Molar Mass	267.69
Density	1.66
Melting Point	121-123 ºC
Boling Point	475.4±55.0 °C(Predicted)
Flash Point	241.299°C
Vapor Presure	0mmHg at 25°C
pKa	9.25±0.60(Predicted)
Refractive Index	1.633

Ethyl 3-chloro-5-Amino sulfonyl-1-methylpyrazole-4-carboxylate - Introduction

1. nature:
-Appearance: CAB is a white crystalline solid.
-Solubility: CAB is soluble in water, alcohols, ketones and ester solvents.
-Melting point: The melting point of CAB is about 135-138°C.

2. use:
CAB has many applications in the field of chemistry:
-Fungicide: CAB can be used as a fungicide, which has a good inhibitory effect on microorganisms.
-Soil improver: CAB can improve soil water retention and increase soil fertility.
-Synthesis of polymer compounds: CAB can be used as a reagent in polymer synthesis reactions.

3. Preparation method:
The main steps for preparing CAB are as follows:
-First, 1-methylpyrazole-4-carboxylic acid ethyl ester is reacted with carbon dichloride under basic conditions to obtain 3-chloro-1-methylpyrazole-4-carboxylic acid ethyl ester.
-Then, by reacting with sulfuryl chloride, the chlorine atom is replaced with an aminosulfonyl group to obtain the final product 3-chloro-5-aminosulfonyl-1-methylpyrazole-4-carboxylic acid ethyl ester.

4. Safety Information:
- CBA is irritating, avoid contact with skin and eyes.
-use should pay attention to protective measures to avoid inhalation of its dust or steam.
-Avoid contact with strong oxidants and acids during storage and use to avoid reaction.
-If you come into contact with CAB, rinse immediately with plenty of water and seek medical help.