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Organic Chemicals

Hydroxy Naphthol Blue

RA001581 CAS 165660-27-5 ACS

Identity

Product code
RA001581
CAS number
165660-27-5
Grade
ACS
Molecular formula
C20H12N2O11S3Na2
Molecular weight
598.49

Classification

Technical Data

Properties

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

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Black colored powder —
Absorption maxima (buffer pH 12.0) 646 nm +/- 2 nm nm
Loss on drying (at 105°C) Max 5.0 % %
Suitability for Calcium Determination Passes test —

Packaging

Pack size SKU
5 g RA001581-PK-5G
25 g RA001581-PK-25G