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Solvent red 49

Product : Solvent red 49
C.I. Name/No: Solvent red 49; C.I.45170:1
CAS 509-34-2
Hue: Bluish red
Synonyms : Rhodamine B base; 3',6'-Bis(diethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
Molecular Structure:
Molecular Formula: C28H30N2O3
Molecular Weight: 442.55
Use: Solvent red 49 is used for dyeing of cotton, wool, paper, silk & jute, spirit inks & lacquers, soap colouration & distampers.
Light Heat fastness(℃) Water fastness Soda (5%) hydrochloric acid (5%)
melting point stability
weak 160 110 good insoluble Insoluble

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