| Formula / Notation | C14H8O4 |
|---|---|
| CAS Number | 72-48-0 |
| Molecular Weight | 240.21 |
| Appearance | Red-orange crystals slightly soluble in water; [Sax] |
| Also Known As | 1,2-dihydroxyanthracene-9,10-dione; 72-48-0; 1,2-Dihydroxyanthraquinone; Mordant Red 11; 1,2-Dihydroxy-9,10-anthracenedione; Turkey Red; ALIZARINE; Alizarin B; Alizarine Red; 1,2-Anthraquinonediol |
| Category | Indicators |
What is Alizarin?
Alizarin is a dihydroxyanthraquinone that is anthracene-9,10-dione in which the two hydroxy groups are located at positions 1 and 2. It has a role as a chromophore, a dye and a plant metabolite.
Formula & Notation
IUPAC Name: 1,2-dihydroxyanthracene-9,10-dione
Other Names / Synonyms: 1,2-dihydroxyanthracene-9,10-dione; 72-48-0; 1,2-Dihydroxyanthraquinone; Mordant Red 11; 1,2-Dihydroxy-9,10-anthracenedione; Turkey Red; ALIZARINE; Alizarin B; Alizarine Red; 1,2-Anthraquinonediol
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Molecular Weight | 240.21 |
| Appearance | Red-orange crystals slightly soluble in water; [Sax] |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Alizarin is a dihydroxyanthraquinone that is anthracene-9,10-dione in which the two hydroxy groups are located at positions 1 and 2. It has a role as a chromophore, a dye and a plant metabolite.
Used as a pH indicator in acid-base titrations, analytical chemistry, and chemical education demonstrations.
May be irritant or toxic in concentrated form. Handle with care. Consult SDS before use.
The formula or notation for Alizarin is: C14H8O4