Eriochrome Black T
CAS 1787-61-7·C₂₀H₁₂N₃NaO₇S
Complexometric indicator for total hardness titration against EDTA.
Grades offered
- ARAnalytical ReagentHigh purity with certified assay and stated trace-impurity limits.
- INDICATORIndicator GradeSpecified on colour-change behaviour at the transition pH.
Typical applications
- Total hardness of water by EDTA titration
- Magnesium and calcium complexometry
Eriochrome Black T
C₂₀H₁₂N₃NaO₇S · M.W. 461.38 g/mol
- CAS
- 1787-61-7
- Batch
- Use before
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Pack sizes
- 25 g
- 100 g
Identification
| CAS number | 1787-61-7 |
|---|---|
| Molecular formula | C₂₀H₁₂N₃NaO₇S |
| Molecular weight | 461.38 g/mol |
| Also known as | EBT, Solochrome Black T, Mordant Black 11 |
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