2-Chloro-3-nitrobenzoic acid CAS NO.3970-35-2

Product Name:    2-Chloro-3-nitrobenzoic acid
Synonyms:    2-Chloro-3-nitrobenz;2-Chloro-3-nitrobenzoic acid, 98% 5GR;2-Chloro-3-nitrobenzoic acid,98%;Chloro-3-nitrobenzoica;2-Chloro-3-nitrobenzoic Acid, 97+%;2-CHLORO-3-NITROBENZOIC ACID;2-Chloro-3-carboxynitrobenzene;Mesalazine Impurity 8(Mesalazine EP Impurity Q)
CAS:    3970-35-2
MF:    C7H4ClNO4
MW:    201.56
EINECS:    223-590-3       
Mol File:    3970-35-2.mol
                                                                             

2-Chloro-3-nitrobenzoic acid Chemical Properties
Melting point     183-187 °C (lit.)
Boiling point     359.9±27.0 °C(Predicted)
density     1.6620
refractive index     1.6000 (estimate)
storage temp.     Sealed in dry,Room Temperature
pka    pK1: 2.02 (25°C)
form     Powder
color     White to cream-yellow with a green cast
BRN     645427
CAS DataBase Reference    3970-35-2(CAS DataBase Reference)
Safety Information
Hazard Codes     Xi
Risk Statements     36/37/38-37/38-36
Safety Statements     26-36-37/39
WGK Germany     3
HS Code     29163990
MSDS Information
Provider    Language
SigmaAldrich    English
ACROS    English
ALFA    English
2-Chloro-3-nitrobenzoic acid Usage And Synthesis
Chemical Properties    White to light yellow crystal powder
Uses    2-Chloro-3-nitrobenzoic acid is used in a microwave-promoted Ulmann condensation with 2-aminopyridines.
2-Chloro-3-nitrobenzoic acid Preparation Products And Raw materials
Preparation Products    3-Nitrosalicylic acid-->2-Amino-3-nitrobenzoic acid-->METHYL 2-CHLORO-3-NITROBENZOATE-->ACIBENZOLAR-S-METHYL-->2-Chloro-3,5-dinitrobenzoic acid-->methyl 2-fluoro-3-nitrobenzoate