4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt Dye content 90 %

Item Number: 250309-25G

Unit of Measure: 1X25G

Packaging: 25, 100 g in glass bottle

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Synonyms: 2-Amino-5-([4-sulfophenyl]azo)benzenesulfonic acid monosodium salt; Acid Yellow 9 monosodium salt

CAS Number: 74543-21-8

Manufacturer: Sigma-Aldrich Chemie GmbH, Switzerland

Manufacturer Number: 250309

Chemical Formula: RO₃SC₆H₄N=NC₆H₃(NH₂)SO₃R, R = H or Na

Storage Temperature: room temp

Safety Data Sheet (other languages on request)