1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT AR

(For determination of amines and amino acid)
3,4-Dihydro-3,4-dioxo-1-naphthalenesulfonic acid sodium salt, Folin’s reagent, Sodium 1,2-naphthoquinone-4-sulfonate

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Article No.
04781
Grade
AR
Purity
97%
CAS No.
521-24-4
Molecular Formula
C10H5NaO5S
Molecular Weight
260.20
H.S. Code
2914.7990
Shelf Life
60 Months
MSDS
 

 

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)

Packings

  • 1GBA000015

    5 g (00005)

  • 1GBA000060

    25 g (00025)

 

Specifications

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

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date : 22-Jan-2021
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