ALIZARINE

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

Article No.

00840

Grade

Purity

CAS No.

72-48-0

Molecular Formula

C₁₄H₈O₄

Molecular Weight

240.22

H.S. Code

2914.7990

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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

Appearance	Orange colored powder
pH 5.5- 6.8	Yellow to reddish-violet
Absorption maxima in NaOH 0.01 mol/L (λmax1)	564 - 568 nm
Absorption maxima in NaOH 0.01 mol/L (λmax2)	605 - 609 nm
Absorptivity (A 1%/1cm; at λmax2)	Min 525
Sulphated ash	Max 1%
Loss on drying	Max 5%
Absorptivity (A 1%/1cm; at λmax1)	Min 625