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Organic Acids

1,2-Naphthoquinone-4 Sulphonic Acid Sodium Salt

RA001888 CAS 521-24-4 AR

Identity

Product code
RA001888
CAS number
521-24-4
Grade
AR
Purity
97%
Molecular formula
C10H5NaO5S
Molecular weight
260.20

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour Brownish yellow —
Odour Odorless —
Melting point/ Freezing point [°C] 289 °C °C
Solubility in water [% weight] 45 g/L at 20 °C g/L

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

Specifications

ParameterSpecificationUnit
Appearance Brownish yellow powder —
Assay Min 97 % %
Sulphate (SO4) Max 0.05 % %
Total nitrogen (N) Max 0.05 % %
Loss on drying (at 105°C) Max 1 % %
Suitability (for detection of amino acid) Passes test —

Packaging

Pack size SKU
5 g RA001888-PK-5G
25 g RA001888-PK-25G