Alizarine AR
C.I.No.58000 Alizarin Red is used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an osteogenic lineage. 1,2-Dihydroxyanthraquinone, Mordant Red 11

Product Code.
00097
Grade
AR
Purity
97%
CAS No.
72-48-0
Molecular Formula
C14H8O4
Molecular Weight
240.22
H.S.Code
2914.79900
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
Orange powder
pH value
5 - 7.2
Melting point/ Freezing point [°C]
279 - 283 °C
Boiling point [°C]
430°C
Solubility in water [% weight]
Sparingly soluble in water

Packaging

Specification

Appearance
Orange colored powder
pH 5.5- 6.8
Yellow to reddish-violet
Absorption maxima in NaOH 0.01 mol/L (lmax1)
564 - 568 nm
Absorption maxima in NaOH 0.01 mol/L (lmax2)
605 - 609 nm
Absorptivity (A 1%/1cm; at lmax2)
Min 525
Sulphated ash
Max 1%
Loss on drying
Max 5%
Absorptivity (A 1%/1cm; at lmax1)
Min 625

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302-H319
Precaution Statement: H302-H319