1. Basic Information

2. Physical and Chemical Properties

Physical Properties

1. Appearance: White or off-white crystalline solid
2. Odor: Mild aromatic odor
3. Solubility: Insoluble in water; soluble in ethanol, methanol, acetone, chloroform, toluene and other organic solvents; slightly soluble in hexane
4. Melting Point: 73–75 °C
5. Boiling Point: 300 °C (slight decomposition)
6. Hygroscopicity: Non-hygroscopic under normal ambient humidity
7. Crystal form: Flaky crystals recrystallized from ethanol

Chemical Properties

1. Molecular structure: Two phenyl groups attached to the α-carbon of acetonitrile, containing cyano functional group (-CN)
2. Cyano reactivity: Can undergo hydrolysis, alcoholysis, reduction and cyclization reactions to generate carboxylic acids, amides, amines and heterocyclic compounds
3. Alpha-H activity: The hydrogen atom on the central carbon has strong activity, easy to carry out alkylation and condensation reactions under alkaline conditions
4. Thermal stability: Stable below 200 °C; high temperature will cause partial decomposition and release cyanide-containing volatile substances
5. Photostability: Stable under indoor light; avoid long-term strong UV irradiation to prevent slight discoloration
6. Compatibility: Compatible with most anhydrous organic solvents; incompatible with strong oxidants, strong acid and strong reducing agents

3. Main Application Fields

1. Pharmaceutical Synthetic Intermediate (Core Application)

1. Key building block for the synthesis of antihistamines, cardiovascular drugs and central nervous system APIs
2. Raw material for manufacturing diphenyl acetic acid series pharmaceutical intermediates via cyano hydrolysis

2. Fine Chemical & Dye Intermediate

1. Precursor for organic pigment, fluorescent whitening agent and azo dye synthesis
2. Substrate for asymmetric synthesis research in organic chemistry laboratories

3. Pesticide Intermediate

4. Chromatographic Reference Substance

4. Quality Specification Table