CALCON

Product CodeB-00666BRANDBio-Chem
GradeCAS No2538-85-4
Molecular FormulaC20H13N2NaO5SMolecular Weight416.39
H.S.Code2927.00900Shelf Life60 Months
Purity99 %

Physical Properties

Physical state at 20 °CSolidColourBlackish brown
OdourOdorlessSolubility 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: GHS05 , GHS07 ,GHS08 ,GHS09
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

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