Alizarin Red
Chemical Name: 1,2-dihydroxyanthraquinone-3-sulfonic acid, sodium salt, monohydrate
Molec. Formula: C14H7O7SNaH2O
Molec. Weight: 360.28
Properties: The product is orange yellow or
yellow brown powder soluble in water, alcohol, ammonia water, benzene and
chloroform. The aqueous solution is light yellow in color.
Applications: It can be used for the
detection and measurement of fluorides or as acid/base indicator. A
compound capable of forming chromogenic compounds with many metal ions, it
can be used for chromogenic reactions and colorimetric measurements for
zirconium, thorium, aluminum, titanium and beryllium. Also as biological
stain, metal colorant or acid dye
Specifications: Chemical Reagent
(indicator)
|
sensitivity to acid and base:
|
pass |
| water solvation test: |
pass |
| pH range, color change from yellow to red: |
4.3-6.3 |
| sensitivity to aluminum: |
pass |
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