Nigrosine, certified by the Biological Stain Commission, Sigma-Aldrich®
: Acid Black 2
:8005-03-6
:
:MFCD00044681
:M-Clarity™ quality level = MQ200
:Room Temperature
- Environmentally Preferable:
- Appearance (Colour):Black
- Appearance (Form):Powder or Crystals
- Infrared spectrum:Conforms to Structure
- Wavelength Absorbance:290 - 300 nm
- Wavelength:570 - 580 nm
- Absorbance:c = 0.02 g/L in 50% Ethanol
- Biological Stain Commission, Commission Certified Number::Pass
- Carbon:40 - 50% Typically
- Nitrogen:7 - 9% Typically
- TLC, Consistent With Control:Conforms
- Solubility (Turbidity), c = 0.1% in H2O:Clear
- Solubility (Colour):Dark Purple
- Pk