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HYDROXY NAPHTHOL BLUE ACS

Indicator for Calcium determination.

Packings

5 g (00005)

25 g (00025)

1GBA000015 1PB1200060
Article No. 04140 Grade ACS
Purity CAS No. 165660-27-5
Molecular Formula C20H12N2O11S3Na2 Molecular Weight 598.49
H.S. Code 2927.0090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Balck powder
Odour Odorless Melting point/ Freezing point [°C] 801°C
Boiling point [°C] 1413°C Vapour pressure mm/Hg 1.0 mm Hg @ 8650C
Solubility in water [% weight] Soluble in water

Specifications

Appearance Black colored powder Absorption maxima (buffer pH 12.0) 646 nm +/- 2 nm
Loss on drying (at 105°C) Max 5.0% Suitability for Calcium Determination 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: 06-Feb-2023

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