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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

COAs

Packings

25 g (00025)

100 g (00100)

1PB1200060 1PB1200100
Print friendly version
Article No. 05045 Grade For Microscopy
Purity 80% dye content CAS No. 1936-15-8
Molecular Formula C16H10N2Na2O7S2 Molecular Weight 452.37
H.S. Code 3204.9000 Shelf Life 60 Months

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

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

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