Other grades of this product :
| 1,2,5,8-TETRAHYDROXYANTHRAQUINONE Basic information |
| Product Name: | 1,2,5,8-TETRAHYDROXYANTHRAQUINONE | | Synonyms: | CI 58500;CI NO 58500;LABOTEST-BB LT00129956;ALIZARIN CYANINE 3R;ALIZARIN BORDEAUX;Quinidine cupric sulfate solution;1,2,5,8-tetrahydroxyanthracene-9,10-dione;QUINALIZARIN GR | | CAS: | 81-61-8 | | MF: | C14H8O6 | | MW: | 272.21 | | EINECS: | 201-366-6 | | Product Categories: | Miscellaneous | | Mol File: | 81-61-8.mol |
| 1,2,5,8-TETRAHYDROXYANTHRAQUINONE Chemical Properties |
| 1,2,5,8-TETRAHYDROXYANTHRAQUINONE Usage And Synthesis |
| Uses | 1,2,5,8-TETRAHYDROXYANTHRAQUINONE is Al salts dark red, cotton mordanted with Cr salts bluish-violet. No longer used as a dye, except occasionally in printing cotton.
| | Preparation | Quinalizarin. 1,2-Dihydroxyanthracene-9,10-dione or 1,4-Dihydroxyanthracene-9,10-dione with great excess fuming sulfuric acid oxidation and hydrolysis. | | Definition | ChEBI: A tetrahydroxyanthraquinone having the four hydroxy groups at the 1-, 2-, 5- and 8-positions. | | Biochem/physiol Actions | Quinalizarin is a potent (IC50 = 110 nM), ATP-competitive, and highly selective (IC50 >1μM against CK1 and 72 other kinases) casein Kinase II (CK2) inhibitor. | | Properties and Applications | violet (chromium), dark red light purple (aluminum). Soluble in ethanol. In concentrated sulfuric acid for blue purple, dilution after dark red precipitation.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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6
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4-5
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5
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4-5
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| | Purification Methods | Crystallise the quinone from acetic acid or nitrobenzene. It can be sublimed in vacuo. The Cu salt forms red crystals. [Beilstein 8 H 549, 8 I 755, 8 II 584.] |
| 1,2,5,8-TETRAHYDROXYANTHRAQUINONE Preparation Products And Raw materials |
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