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Lab Chemicals
pH Indicator (Solid)
β-NAPHTHOL VIOLET
β-NAPHTHOL VIOLET AR
Article No.
04780
Grade
AR
Purity
CAS No.
7143-21-7
Molecular Formula
C
1
6
H
9
N
3
O
9
S
2
Na
2
Molecular Weight
497.37
H.S. Code
3204.9000
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
Brownish red powder
Odour
Characteristic odour
Solubility in water [% weight]
Soluble in water
Packings
25 g
(00025)
Specifications
Appearance
Brownish red powder
pH (10 - 12)
Brown to violet
Revision Date :
25-May-2018