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GS-InternationalModel CAS-94-24-6 - Tetracaine

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CAS No.: 94-24-6 (base) / 136-47-0 (hydrochloride). Molecular Formula: C15H24N2O2. Molecular Weight: 264.36 g/mol (base) / 300.82 g/mol (HCl). Appearance: White to off-white crystalline powder (HCl form). Melting Point: 149°C (HCl form). Boiling Point: 389.4°C (HCl form, at 760 mmHg). Density: 1.044 g/cm³ . Refractive Index: 1.520 (estimate).

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Safety and Regulatory Information

  • Hazard Codes: H315 (Skin irritation), H319 (Eye irritation) 
  • GHS Precautions: P305+P351+P338 (IF IN EYES: Rinse cautiously) 
  • Regulatory Status: Prescription-only in most countries; controlled substance in some jurisdictions 

Medical Uses    

  • Surface anesthesia: Mucosal membranes (eyes, nose, throat)
  • Spinal anesthesia: Intrathecal injections
  • Topical analgesia: Sunburns, minor burns

Industrial Use    

  • Synthesis of tetracaine hydrochloride
  • Intermediate in dyes, fragrances, and agrochemicals

Biochemical Research    

  • Marker for serum cholinesterase variants (Dibucaine Number test)