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Aurin

Aurin
Aurin
Product Code : Item Code: A11500
Product Description

Aurin

Item Code: A11500
p-Rosolic acid 
4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone
C.I. NO. 43800

Molecular Formula :C19H14O3  
Molecular Weight (Mass) :290.32gm/mole
Dye content. ≥85%
Solubility:  0.1% (Ethanol)   Clear solution
pH Transition range pH 5.0-6.8 =     Yellow-Pink
Absorption maximum (Ethanol +5ml 1N HCl) λ max.   482 – 487 nm
Absorptivity (A1%/1cm, in Ethanol + 5ml 1N HCl at λ max.)   ≥ 2000
Loss on drying (110ºC)     <3%
CAS Registry Number :603-45-2

PACK SIZE
1kg



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