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Laboratory Chemicals
1-AMINO-2-NAPHTHOL-4-SULPHONIC ACID
1-AMINO-2-NAPHTHOL-4-SULPHONIC ACID AR
For determination of phosphate
4-Amino-3-hydroxy-1-napththalenesulfonic acid
Article No.
01050
Grade
AR
Purity
95%
CAS No.
116-63-2
Molecular Formula
C
1
0
H
9
NO
4
S
Molecular Weight
239.25
H.S. Code
2922.2130
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
Pale violet
Melting point/ Freezing point [°C]
295 °C
Solubility in water [% weight]
Slightly soluble in water
Packings
25 g
(00025)
100 g
(00100)
Specifications
Appearance
Pale violet coloured powder
Assay
Min 95%
Sulphated ash
Max 0.5%
Chloride (Cl)
Max 0.01%
Sensitivity for phosphate
Passes test
Revision Date :
29-Jul-2022