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CALCON FOR TITRATING METAL

C.I.No.15705
Eriochrome Blue Black R, Solochrome Dark Blue

COAs

Packings

5 g (00005)

25 g (00025)

1GBA000015 1PB1200060
Print friendly version
Article No. 02488 Grade
Purity CAS No. 2538-85-4
Molecular Formula C20H13N2NaO5S Molecular Weight 416.39
H.S. Code 2927.0090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Blackish brown
Odour Odorless Solubility in water [% weight] Moderate (1-10%)

Specifications

Appearance Dark blackish brown powder Identity (UV/VIS spectrum) Passes test
Absorption maxima λmax. (buffer pH 12.2) 634 - 640 nm Specific absorptivity A1%,1cm (λmax;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

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date: 09-Mar-2015

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