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Sigma-Aldrich

Orange G solution

alcoholic, for the colorimetric method according to Papanicolaou

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Synonym(s):
OG-6
EC Number:
MDL number:
PubChem Substance ID:

form

liquid

density

0.80 g/mL at 20 °C

λmax

0.785-0.814 at 493-503  nm in ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccccc3)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;

InChI key

HSXUHWZMNJHFRV-QIKYXUGXSA-L

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Caution

may partially crystallizes on storage, can be redissolved by slightly heating

Other Notes

Staining solution used in the Papanicolaou procedure

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

57.2 °F - closed cup

flash_point_c

14.0 °C - closed cup


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