CALCON FOR TITRATING METAL

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

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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
MSDS
 

 

Physical Properties

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

Packings

  • 1GBA000015

    5 g (00005)

  • 1PB1200060

    25 g (00025)

 

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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