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Biological Stains and Dyes
ORANGE G INDICATOR
ORANGE G INDICATOR For Microscopy
C.I.No.16230 The main use of Orange G is in the OG-6 Papanicolaou stain, to stain keratin. It is also a major component of the Alexander test for pollen staining.
Acid Orange 10, Wool Orange 2G, 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt
Article No.
05045
Grade
For Microscopy
Purity
80% dye content
CAS No.
1936-15-8
Molecular Formula
C
1
6
H
1
0
N
2
Na
2
O
7
S
2
Molecular Weight
452.37
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
Orange powder
Odour
Odorless
pH value
9
Decomposition point [°C]
280 °C
Solubility in water [% weight]
70 g/l at 20 °C
Packings
25 g
(00025)
100 g
(00100)
Specifications
Appearance
Orange powder
Dye content
Min 80%
Absorption maxima in water
476 - 481 nm
Absorptivity
Min 380
Loss on drying
Max 15%
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date :
21-May-2014