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MGT-7 Form
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
MSDS
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COAs
Packings
5 g
(00005)
25 g
(00025)
Print friendly version
Article No.
04781
Grade
AR
Purity
97%
CAS No.
521-24-4
Molecular Formula
C
1
0
H
5
NaO
5
S
Molecular Weight
260.20
H.S. Code
2914.7990
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)
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
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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1,2-NAPHTHOQUINONE-4 SULPHONIC ACID SODIUM SALT