1(2H)-Phthalazinone [ 119-39-1 ]

Cas Number: 119-39-1
Product Code
117293
Product Name
1(2H)-Phthalazinone
Cas Number
119-39-1
Appearance
Off-white to pale yellow crystalline powder
Melting Point
183-185 ( ℃ )
Boiling Point
209.9 ( ℃ )
Chemical properties needle crystal (water). Have ketone type and hydroxyl type, with ketone type structure is given priority to, sublimation income in leng shape crystallization, melting point 183-184 ℃, boiling point, section 337 ℃, soluble in water.
Use hydrazine benzene DaQin HCL intermediates.
Production methods available in alkaline conditions with naphthalene, potassium permanganate oxidation generating - alpha carboxyl acetophenone acid, then with dimethylsulfate hydrazine cyclization 1-4 - work hydroxyl phthalocyanine carboxylic acid, the latter by high temperature decarboxylation (eliminate) made the goods.