Product Name

  • Name

    2,4,6-Trimethylanylide-1-butylpyrrolidinecarbonoic 2-acid hydrochloride

  • EINECS
  • CAS No. 19089-24-8
  • Density 1.038g/cm3
  • Solubility
  • Melting Point
  • Formula C18H28 N2 O . Cl H
  • Boiling Point 416.6°Cat760mmHg
  • Molecular Weight 324.94
  • Flash Point 205.7°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion, intraperitoneal, subcutaneous, and intravenous routes. When heated to decomposition it emits very toxic fumes of HCl and NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 19089-24-8 (2,4,6-Trimethylanylide-1-butylpyrrolidinecarbonoic 2-acid hydrochloride)
  • Hazard Symbols
  • Synonyms 2-Pyrrolidinecarboxamide,1-butyl-N-(2,4,6-trimethylphenyl)-, monohydrochloride (9CI);2-Pyrrolidinecarboxanilide, 1-butyl-2',4',6'-trimethyl-, monohydrochloride(8CI); Pyromecaine; Pyrromecaine hydrochloride
  • PSA 32.34000
  • LogP 4.62770

Pyrromecaine Chemical Properties

Product Name: Pyrromecaine (CAS NO.19089-24-8)


Molecular Formula: C18H28N2O•ClH
Molecular Weight: 324.94g/mol
Mol File: 19089-24-8.mol
Boiling point: 416.6 °C at 760 mmHg
Flash Point: 205.7 °C
Enthalpy of Vaporization: 66.98 kJ/mol
Vapour Pressure: 3.79E-07 mmHg at 25°C
H-Bond Donor: 2
H-Bond Acceptor: 2
Structure Descriptors of Pyrromecaine (CAS NO.19089-24-8):
  IUPAC Name: 1-butyl-N-(2,4,6-trimethylphenyl)pyrrolidine-2-carboxamide hydrochloride
  Canonical SMILES: CCCCN1CCCC1C(=O)NC2=C(C=C(C=C2C)C)C.Cl
  InChI: InChI=1S/C18H28N2O.ClH/c1-5-6-9-20-10-7-8-16(20)18(21)19-17-14(3)11-13(2)12-15(17)4;/h11-12,16H,5-10H2,1-4H3,(H,19,21);1H 
  InChIKey: NFEZGTHMTGKIBG-UHFFFAOYSA-N

Pyrromecaine Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 intraperitoneal 4712mg/kg (4712mg/kg)   Stomatologiia Vol. 59(5), Pg. 27, 1980.
guinea pig LD50 oral 6283mg/kg (6283mg/kg)   Stomatologiia Vol. 59(5), Pg. 27, 1980.
mouse LD50 intraperitoneal 128mg/kg (128mg/kg)   Russian Pharmacology and Toxicology Vol. 46, Pg. 202, 1983.
mouse LD50 intravenous 42mg/kg (42mg/kg)   Russian Pharmacology and Toxicology Vol. 35, Pg. 114, 1972.
mouse LD50 oral 290mg/kg (290mg/kg)   Russian Pharmacology and Toxicology Vol. 46, Pg. 202, 1983.
mouse LD50 subcutaneous 285mg/kg (285mg/kg)   Russian Pharmacology and Toxicology Vol. 46, Pg. 202, 1983.
rat LD50 intraperitoneal 13512mg/kg (13512mg/kg)   Stomatologiia Vol. 59(5), Pg. 27, 1980.

Pyrromecaine Safety Profile

Poison by ingestion, intraperitoneal, subcutaneous, and intravenous routes. When heated to decomposition it emits very toxic fumes of HCl and NOx.

Pyrromecaine Specification

 Pyrromecaine ,its CAS NO. is 19089-24-8,the synonyms is 1-Butyl-2',4',6'-trimethyl-2-pyrrolidinecarboxanilide hydrochloride ; 2-Pyrrolidinecarboxamide, 1-butyl-N-(2,4,6-trimethylphenyl)-, monohydrochloride ; Bumecaine hydrochloride ; N-Butyl-alpha-pyrrolidine-carboxy-mesidide hydrochloride .

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