ORANGE G INDICATOR
ORANGE G INDICATOR For Microscopy
C.I.No.16230The 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.
Short Name: ORANGE G INDICATOR
Synonym: 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
Basic Details
Article No.
LG3351
Grade
For Microscopy
Purity
80% dye content
CAS No.
1936-15-8
HS Code
3204.9000
Shelf Life
60 Months
Packings Avialable
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
Chemical 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 & Hazard Symbols
Safety Statement
22-24/25