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01122
Eriochrome Black T AR
C.I.No.14645 Indicator for the determination of calcium plus magnesium by titration with EDTA Solochrome Black T, Sodium 4-[(1-hydroxynaphthalen-2-yl-hydrazinylidene]-7-nitro-3-oxo-Y-naphthalene-1-sulphonate
CAS : 1787-61-7
HS Code : 3204.90000
Molecular Formula : C20H12N3NaO7S
Molecular Weight : 461.38
MSDS
Physical Properties
Physical state at 20 °C
Solid |
Colour
Brownish black powder |
Odour
Odorless |
Specification
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 (lmax; 0.02 g/L; buffer pH 10.0; calculated on dried substance)
Min 300.0 |
Loss on dryig (at 110°C)
Max 7.0% |
Safety Information and Hazard Symbols
×
Eriochrome Black T AR
| Pack Size | Quantity |
|---|---|
| 2500 ml | 3 |
| 500 ml | 2 |