140173-59-7

Basic information

• Product Name: 3,3,3',3'-tetramethyl-4',5'-diphenyl-4,5'-bi-3H-pyrazolyl
• Synonyms: 3,3,3',3'-tetramethyl-4',5'-diphenyl-4,5'-bi-3H-pyrazolyl
• CAS NO: 140173-59-7
• Molecular Weight: 342.443
• Mol File: 140173-59-7.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 3,3,3',3'-tetramethyl-4',5'-diphenyl-4,5'-bi-3H-pyrazolyl(CAS DataBase Reference)
• NIST Chemistry Reference: 3,3,3',3'-tetramethyl-4',5'-diphenyl-4,5'-bi-3H-pyrazolyl(140173-59-7)
• EPA Substance Registry System: 3,3,3',3'-tetramethyl-4',5'-diphenyl-4,5'-bi-3H-pyrazolyl(140173-59-7)

Safety Data

• Hazardous Substances Data: 140173-59-7(Hazardous Substances Data)

Upstream product

• 886-66-8 1,4-diphenyl-1,3-butadiyne 
• 2684-60-8 2-diazopropane 
• 5281-20-9 acetone hydrazone 
• 140173-57-5 3,3-dimethyl-5-phenyl-4-(phenylethynyl)-3H-pyrazole 

Downstream Products

• 22498-86-8 (2,7-dimethylocta-2,6-dien-4-yne-3,6-diyl)dibenzene 

Relevant articles and documents

Photocatalytic Transformations of 3,3,3,3-Tetramethyl-4,5-diphenyl-4,5-bi-3H- pyrazolyl. Synthesis and Photolysis of the First (1-Cyclopropenyl)pyrazole

The main product of exhaustive photolysis of 3,3,3′,3′-tetramethyl-4′,5-diphenyl-4,5′-bi-3H-pyrazolyl in the presence of Rh6(CO)16 is 2,7-dimethyl-3,6-diphenylocta-2,6-dien-4-yne. At shorter irradiation and with less catalyst the int