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1,2-Naphthoquinone-4-sulphonic Acid Sodium Salt AR
(For determination of amines and amino acid) Sodium 1,2-naphthoquinone-4-sulphonate

Product Code.
01784
Grade
Purity
97%
CAS No.
521-24-4
Molecular Formula
C10H5NaO5S
Molecular Weight
260.20
H.S.Code
2914.79900
Shelf Life
60 Months

Physical Properties

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

Packaging

Specification

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

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338