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Lab Chemicals
pH Indicator (Solid)
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
AR
Purity
CAS No.
72-48-0
Molecular Formula
C
1
4
H
8
O
4
Molecular Weight
240.22
H.S. Code
2914.7990
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
25 g
(00025)
100 g
(00100)
Specifications
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
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302-H319
Precaution Statement: P305 + P351 + P338
Revision Date :
01-Jun-2018