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ERIOCHROME BLACK T AR/ACS
C.I.No.14645 Indicator for the determination of calcium plus magnesium by titration with EDTA
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1064 | AR/ACS | 1787-61-7 | C20H12N3NaO7S | 461.38 | 3204.9000 | 60 Months |
Packings
| 25 g,100 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Brownish black powder |
| Odour | Odorless |
Specifications
| Appearance | Brownish black powder |
| Suitability (as metal indicator) | Passes test |
| Absorption maxima at pH 10 | 612 - 616 nm |
| Clarity of solution | Passes test |
| Specific absorptivity A1%/1cm (λmax; 0.02 g/L; buffer pH 10.0; calculated on dried substance) | Min 300.0 |
| Loss on drying (at 110°C) | Max 7.0% |
Safety Information and Hazard Symbols
| Symbol | |
| Signal Word | |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | |
| Precaution Statement | |
| Risk Statement | 36-51/53 |
| Safety Statement | 26-61 |
Revision Date : 30-Dec-2014
Certificate of Analysis (COA's)
To download COA please enter the batch number below