2172-44-3

Basic information

• Product Name: 3-hydroxy-5,5-dimethyl-2-(2-nitrophenyl)cyclohex-2-en-1-one
• CAS NO: 2172-44-3
• Molecular Formula: C₁₄H₁₅NO₄
• Molecular Weight: 261.2732
• Mol File: 2172-44-3.mol
• Article Data: 2

Chemical Properties

• Boiling Point: 429.6°C at 760 mmHg
• Flash Point: 179.9°C
• Density: 1.282g/cm³
• Vapor Pressure: 3.84E-08mmHg at 25°C
• Refractive Index: 1.596
• CAS DataBase Reference: 3-hydroxy-5,5-dimethyl-2-(2-nitrophenyl)cyclohex-2-en-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: 3-hydroxy-5,5-dimethyl-2-(2-nitrophenyl)cyclohex-2-en-1-one(2172-44-3)
• EPA Substance Registry System: 3-hydroxy-5,5-dimethyl-2-(2-nitrophenyl)cyclohex-2-en-1-one(2172-44-3)

Safety Data

• Hazardous Substances Data: 2172-44-3(Hazardous Substances Data)

Upstream product

• 609-73-4 o-nitroiodobenzene 
• 126-81-8 dimedone 
• 23351-90-8 (2-nitro-phenyl)-phenyl-iodonium ; bromide 

Relevant articles and documents

Dual off-on and on-off fluorescent detection of Zn2+/Cd 2+ ions based on carbazolone substituted 2-aminobenzamides

Two new 2-aminobenzamide structural isomers, 4-isoACOBA and 5-isoACOBA, as fluorescent probes for Cd2+ and Zn2+ were fabricated with carbazolone as fluorophore and N,N-bis(2-pyridylmethyl)ethylenediamine (BPEA) as chelator. With Cd2+/Zn2+ as input, the two probes are characteristic of the transformation from "off-on" to "on-off" molecular switch by interchanging the substitution position of the fluorophore from C-4 to C-5 at the benzene ring. 4-IsoACOBA is a Cd 2+-specific turn-on fluorescent probe exhibiting good discrimination between Cd2+ and Zn2+ with FCd2+/F Zn2+ = 2.48, while 5-isoACOBA is a Zn2+-specific turn-off probe with FCd2+/FZn2+ = 4.50. The binding behaviours of 4-isoACOBA-Cd(ii) and 5-isoACOBA-Zn(ii) were deeply investigated by UV and fluorescence titration, ESI-MS analysis, and DFT study. The results indicate that both the electron donating/withdrawing ability and the substituted position of the fluorophore have remarkable influences on the probe sensing properties and selectivity.