Fluka

Tropaeolin O sodium salt

SKU

32663

Indicator

Synonym(s)

4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt; Acid Orange 6; Chrysoin; Resorcinol yellow

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General Information:

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Brand Fluka	Beilstein Registry Number 4173410	CAS Numbers (All) 547-57-9	EC Number 208-924-8	Linear Formula C₁₂H₉N₂O₅SNa
MDL Number MFCD00007499	Molar Mass 316.27 g/mol	Synonyms 4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt; Acid Orange 6; Chrysoin; Resorcinol yellow

Property	Value
appearance	complying
change range (pH11 yellow-ph13 orange)	complying
extinction maximum of	Min. 0.50
extinction maximum at	488 - 492 nm
loss on drying (105°C, 2 h)	Max. 13 %
sulfated ash	effective %

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