44565
Synonym(s):
4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt, Acid Orange 6, Chrysoin, Resorcinol yellow
Properties
indicator grade
sulfated ash, 40-60%
UV/Vis spectroscopy: suitable, titration: suitable
≤13.0% loss on drying
11-13
488-492 nm in 0.1 M NaOH, ≥500 at 1% in 0.1 M NaOH (1 cm)
[Na+].Oc1ccc(\N=N\c2ccc(cc2)S([O-])(=O)=O)c(O)c1
1S/C12H10N2O5S.Na/c15-9-3-6-11(12(16)7-9)14-13-8-1-4-10(5-2-8)20(17,18)19;/h1-7,15-16H,(H,17,18,19);/q;+1/p-1/b14-13+;
COEZWFYORILMOM-IERUDJENSA-M
Description
Show Differences
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Supelco
Tropaeolin O sodium salt
Sigma-Aldrich
199567
Ethyl Orange sodium salt
114510
Methyl Orange
202029
Metanil Yellow
indicator grade, Dye content 90 %
ACS reagent, Dye content 85 %
Dye content 70 %
titration: suitable
-
3.0-4.4, pink to yellow
1.5-2.7, red to yellow
Dye content, 90%
Dye content, 85%
Dye content, 70%
488-492 nm in 0.1 M NaOH
474 nm
505 nm
414 nm
ACS reagent
11 - Combustible Solids
WGK 3
Not applicable
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Related Categories
Analytical Reagents
Chromatography & Spectroscopy Reagents
