Alizarine 97% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
CAS Number:72-48-0
:
Formula:C₁₄H₈O₄
MDL Number:MFCD00001201
:240.22 g/mol
Merck Index:13,00246
Boiling Pt:430 °C (1013 hPa)
Melting Pt:279...283 °C
Density:1,54 g/cm³ (20 °C)
:M-Clarity™ quality level = MQ200
EINECS:200-782-5
:GHS05
:GHS06
:GHS07
Storage Temperature:Room Temperature
Specification Test Results
- Infrared spectrum:Conforms to Structure
- Wavelength c = 0.01 g/L; 0.1 N Sodium Hydroxide:606 - 612 nm
- Extinction Coefficient:≥11000
- Wavelength:564 - 570 nm
- Carbon:67.6 - 72.5 %
- TLC:Consistent with Past Lots
- Solubility (Turbidity):Clear to Turbid
- Solubility (Colour):Purple to Very Dark Purple
- Visual Interval pH 5.5 = Yellow:Pass
- Visual Interval pH 6.8 = Red:Pass
Specification Test Results