4-(4-Nitrophenylazo)resorcinol 90%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
CAS Number:74-39-5
:
Formula:C₁₂H₉N₃O₄
MDL Number:MFCD00007310
:259.22 g/mol
:M-Clarity™ quality level = MQ200
EINECS:200-808-5
Specification Test Results
- Appearance (colour):Orange to very dark orange and red to very dark red and dark red-orange and very dark red-brown
- Appearance (form):Powder
- Infrared spectrum:Conforms to structure
- Wavelength:439 - 445 nm
- Extinction coefficient, c = 0.005 g/L in methanol + 1 ml 0.1 N NaOH:≥37000
- Carbon:49.5 - 61.7%
- Nitrogen:14.4 - 18.0%