CALCON
Specification
Appearance | Dark blackish brown powder |
Identity (UV/VIS spectrum) | Passes test |
Absorption maxima ?max. (buffer pH 12.2) | 634 – 640 nm |
Specific absorptivity A1%,1cm (?max;0.0015%;buffer pH 12.2, calculated on dried substance) | 250-500 |
Loss on drying (at 110°C) | Max 10.0% |
Suitability (as indicator for metal titration) | Passes test |
Safety Information and Hazard Symbols

Symbol: GHS05 , GHS07 ,GHS08 ,GHS09
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338