Benzyl amine

Benzyl amine

CAS Number:100‑46‑9

Synonyms:Benzylamine; Phenylmethylamine; α‑Aminotoluene; Monobenzylamine; BnNH₂

Chemical Formula:C₇H₉N

Product Introduction

A colorless (may yellow on storage), hygroscopic liquid with a faint ammonia-like odor. A versatile aromatic primary amine used as a building block in coatings, pharmaceuticals, fine chemicals, and polymer additives

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Physical & Chemical Properties

Property Value
Appearance Colorless to slightly yellow liquid
Odor Weak, ammonia-like
Density @ 25 °C 0.981 g/cm³
Melting Point ~10 °C
Boiling Point ~184–185 °C
Flash Point ~65 °C CC
Vapor Pressure @ 20 °C ~1.2 hPa (0.12 kPa)
Refractive Index (n₂₀ᴅ) ~1.543
Solubility Miscible with water, ethanol, ethers; very soluble in acetone
Molecular Weight 107.16 g/mol
pKa ~9.33–9.34
TLV‑TWA (ACGIH) — (not listed); but OSHA PEL 5 ppm (15 mg/m³) typical

Applications

  • Coatings & additives: Precursor in resin synthesis, curing agents, and surfactant production
  • Pharma/Agrochem: Intermediate in APIs, herbicides, and fine chemicals.
  • Analytical reagent: Used in HPLC derivatization, spectrofluorimetry, and lab-scale synthesis.

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