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Calcon | 00666 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Complexometric Indicators > Calcon

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

Product Code.
 00666
Grade
Purity
CAS No.
 2538-85-4
Molecular Formula
 C20H13N2NaO5S
Molecular Weight
 416.39
H.S.Code
 2927.00900
Shelf Life
 60 Months
COAs

Physical Properties

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

Packaging

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: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338