Appearance and properties: Transparent to amber liquid that turns dark when stored

Density: 0.92

Boiling point: 97 °C (17 mmHg)

Flash point: 101 °C

Refractive index: 1.535-1.537

Stability: Stable at room temperature in closed containers under normal storage and handling conditions.

Storage conditions: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Production method

The quantitative aniline, chloroethane, caustic soda are heated in a pressure cooker, pressurized for 3 hours, and then steam distilled, the obtained crude product is acylated with phthalic anhydride to remove the incomplete reaction, and then distilled 

and dehydrated to obtain the finished product.

Use

Dye intermediates. Used to produce weak acid brilliant blue BA and other dyes. It can also be used to synthesize the positive color agent CD-2 for color development.