Piperalin

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Structural formula
Crystal structure Structural formula of Piperalin
Simplified structural formula without stereochemistry
General
Surname Piperalin
other names
  • 3 - [(2 RS ) -2-methylpiperidino] propyl 3,4-dichlorobenzoate
  • ( RS ) -3- [2-methylpiperidino] propyl 3,4-dichlorobenzoate
Molecular formula C 16 H 21 Cl 2 NO 2
Brief description

yellowish liquid

External identifiers / databases
CAS number 3478-94-2
EC number 222-455-6
ECHA InfoCard 100.020.415
PubChem 18996
Wikidata Q19298615
properties
Molar mass 330.25 g mol −1
Physical state

firmly

density

1.18 g cm −3

Melting point

208 ° C (decomposition)

solubility
  • miscible with acetone, chloroform, dichloromethane, ethyl acetate and toluene
  • practically insoluble in water
Refractive index

1.61

safety instructions
GHS hazard labeling
no classification available
Toxicological data
  • 800 mg kg −1 ( LD 50 , rat, female ,  oral )
  • 1419 mg kg −1 ( LD 50 , rat, male ,  oral )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Piperalin is a chemical compound from the group of piperidines .

Extraction and presentation

Piperalin can be obtained from 3,4-dichlorobenzoic acid.

properties

Piperalin is a yellowish liquid that is practically insoluble in water. The compound hydrolyzes very quickly at pH 9.

use

Piperalin is used as a fungicide . It was first approved in the United States in 1964.

Admission

No plant protection products containing this active ingredient are permitted in the EU or Switzerland .

Individual evidence

  1. ↑ a b c d e f g h i j EPA: Piperalin: Reregistration Eligibility Decision (RED) Fact Sheet , accessed January 17, 2015
  2. ^ Carl L. Yaws: The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals ... Gulf Professional Publishing, 2015, ISBN 0-12-801146-7 , pp. 518 ( limited preview in Google Book search).
  3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  4. ^ Directorate-General for Health and Food Safety of the European Commission: Entry on Piperalin in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on March 27, 2016.