Chemnovo Synthesis Pvt. Ltd.

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Chemnovo Synthesis Pvt. Ltd. - Driven by Chemistry, Defined by Precision

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

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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