Eriochrome Black T (Solochrome black T)
C.l.No.14645
Solochrome Black T, Sodium 4-[(1-hydroxynaphthalen-2-yl-hydrazinylidene]-7-nitro-3-oxo-Y-naphthalene-1-sulphonate ; Mordant Black 11
Product Code. |
01121 |
Grade |
|
Purity |
CAS No. |
1787-61-7 | |
Molecular Formula |
C20H12N3NaO7S |
Molecular Weight |
461.38 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Brownish black powder |
Odour |
Odorless |
Packaging
Specification
| Appearance | Brownish black powder |
| Suitability (as metal indicator) | Passes test |
| Absorption maxima at pH 10 | 612 - 616 nm |
| Loss on drying | Max 7% |
Safety Information and Hazard Symbols