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Patton & Reeders Reagent

Patton & Reeders Reagent
Patton & Reeders Reagent
Product Code : Item Code: P76300
Product Description

Patton & Reeders Reagent

Item Code: P76300
Calconcarboxylic acid
Cal red
2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid

Molecular Formula :C21H14N2O7S
Molecular Weight (Mass) :438.42gm/mole
Dye content  ( by Spectrophotometric) ≥60%
Solubility 0.1% (MeOH)   Clear solution
Absorption maximum (Methanol+1ml 1N HCL) λmax    550-560nm
Absorptivity (A1m in Methanol+1ml 1N HCL, at λmax)  ≥250
Loss on drying (110oC)   < 7%
Suitability as indicator for Metal Titration   To passes test
CAS Registry Number. 3737-95-9


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