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Lab Chemicals
pH Indicator (Solid)
TROPAELINE O
TROPAELINE O For Microscopy
It is used as a food colouring agent. C.I.No.14270
Resorcinol yellow
Article No.
6396B
Grade
For Microscopy
Purity
CAS No.
547-57-9
Molecular Formula
C
1
2
H
9
N
2
NaO
5
S
Molecular Weight
316.27
H.S. Code
3212.9090
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
Dark purple powder
Odour
Odorless
Solubility in water [% weight]
Soluble in water
Packings
25 g
(00025)
100 g
(00100)
Specifications
Appearance
Orange to brown powder
pH transition range
11.1 (Yellow) to 12.7 (red - orange)
Revision Date :
20-Mar-2019