4-Hydroxyphenylarsonic acid4 - hydroxy acid arsenazo 
P-Arsenazo alias acid; of arsenate phenol 
English 4-Hydroxyphenylarsonic acid 
CAS # 98-14-6 
Molecular formula C6H7AsO4 
Molecular weight 218.04 
White crystals. Unscented. Soluble in water, soluble in ethanol or dilute mineral acid, slightly soluble in acetone, very slightly soluble in diethyl ether and ethyl acetate. 
Verification and determination of titanium and zirconium. 
This product should be sealed drying.