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Calcon | 00666 Chemnovo Synthesis Pvt. Ltd. - Driven by Chemistry, Defined by Precision
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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

Product Datasheet

Shelf Life : 60 Months

Sample COA COA
25 gm PB
100 gm PB
Molecular Formula

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 ?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