Product Datasheet and Specification
00666
Calcon
C.I.No.15705 Eriochrome Blue Black R, Solochrome Dark Blue
CAS : 2538-85-4
HS Code : 2927.00900
Molecular Formula : C20H13N2NaO5S
Molecular Weight : 416.39
Shelf Life : 60 Months
Specifications
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 |