Benzonitrile

Benzonitrile

CAS Number:100‑47‑0

Synonyms:Benzonitrile; Cyanobenzene; Phenyl cyanide; PhCN

Chemical Formula:C₇H₅N

Product Introduction

Benzonitrile is a colorless to pale-yellow aromatic liquid with a characteristic bitter-almond odor. It’s a key intermediate in organic synthesis, used to make pharmaceuticals, dyes, and resin precursors.

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Physical & Chemical Properties

Property Value
Appearance Colorless to pale-yellow liquid
Odor Bitter almond–like
Density @ 25 °C ~1.00–1.02 g/cm³
Melting Point –13 °C
Boiling Point ~188–191 °C
Flash Point ~71 °C closed-cup
Vapor Pressure @ 25 °C ~0.5–1 mmHg
Refractive Index (n₂₀ᴅ) ~1.528–1.548
Solubility Slight in water (~0.14 g/100 mL @ 20 °C); miscible with organics
Molecular Weight 103.12 g/mol

Applications

  • Organic synthesis intermediate: Used in preparing benzoguanamine, pharmaceuticals, agrochemicals, and dyes.
  • Solvent & reaction medium: Suitable for HPLC, extraction, and polymerization processes.
  • Analytical reagent: Utilized in spectroscopic and chromatographic analyses.

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