Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt
Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt Basic information
- Product Name:
- Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt
- Synonyms:
-
- Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt
- C.I.Solvent Blue 76:C.I.67405:1
- Solvent Blue 76
- CAS:
- 12270-98-3
- MF:
- C17H11NNa2O10S2
- MW:
- 499.37948
- EINECS:
- 602-879-1
- Mol File:
- 12270-98-3.mol
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Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt Usage And Synthesis
Preparation
glycerol?,4-Amino-1,2-dihydroxyanthracene-9,10-dione, 1-Nitrobenzene mixture of sulfuric acid and heating, and then into Sodium bisulfite compound
Properties and Applications
blue. Soluble in water, soluble in ethanol. In concentrated sulfuric acid for cherry red (release sulfur dioxide), after dilution blue green precipitation. Used for esters, hydrocarbon solvent, oil and paraffin color.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Well | 218-220 |
150,200
Sublimation |
Insoluble | No change | No change |