| Identification | |
| Name: | 1H-Indole-5,7-disulfonicacid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-,potassium salt (1:3) |
| Synonyms: | 1H-Indole-5,7-disulfonicacid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-,tripotassium salt (9CI) |
| CAS: | 67627-18-3 |
| Molecular Formula: | C16H10 N2 O11 S3 . 3 K |
| Molecular Weight: | 616.72 |
| InChI: | InChI=1/C16H10N2O11S3/c19-15-8-3-6(30(21,22)23)1-2-10(8)17-13(15)14-16(20)9-4-7(31(24,25)26)5-11(12(9)18-14)32(27,28)29/h1-5,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)/p-3/b14-13+ |
| Molecular Structure: |  |
| Properties | |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | g/cm3 |
| Appearance: | blue-black crystals. |
| Specification: |
Indigotrisulfonic acid tripotassium salt , its cas register number is 67627-18-3. It also can be called 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, tripotassium salt .It is a dark blue fine crystalline powder. |
| Flash Point: | °C |
| Safety Data | |
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