ONPG【369-07-3】

Chinese alias: o-nitrophenyl-BD-galactopyranoside; 2-nitrophenyl-beta-D-galactoside; 2-nitrophenyl-β-D-galactopyranoside; 2-nitro 2-nitrophenyl-β-D-galactopyranoside; 2-nitrophenyl-β-D-galactopyranoside; o-nitrophenyl-β-D-galactoside; o-nitrophenyl- β-D-hydrolyzed pyridine; o-nitrophenylgalactoside; 2-nitrobenzene-B-D-galactoside

English name: 2-Nitrophenyl-beta-D-galactopyranoside

Molecular formula: C12H15NO8

Molecular weight: 301.25

CAS No. :369-07-3

Physical and chemical properties

Boiling point: 572.4ºC/760mmHg, flash point: 300ºC, density: 1.599g/cm3, refractive index: -68.8°(C=1,H2O), vapor pressure: 6.1E-14mmHg/25°C, specific rotation:- 70º(c=1,H2O), storage condition: 2-8°C

Appearance: white or light yellow crystalline powder

Melting point: 186-193°C

Content :＞98%

Packing: 1kg, 5kg, 25kg

Uses: Biochemical research. Used to determine β-galactosidase activity.