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Substance Name: Mepiquat chloride [ISO]
RN: 24307-26-4

Classification Codes

  • Agricultural Chemical
  • Growth Regulator / Fertilizer
  • Plant Growth Regulator
  • TSCA Flag P (a Commenced PMN (Premanufacture Notice) Substance)
  • TSCA Flag S (Substance is Identified in a Proposed or Final SNUR (Significant New Use Rule) under TSCA)

Molecular Formula

  • C7-H16-N.Cl

Molecular Weight

  • 149.663
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Names and Synonyms

Results Name

  • Mepiquat chloride [ISO]

Name of Substance

  • 1,1-Dimethylpiperidinium chloride
  • Mepiquat chloride


  • 1,1-Dimethylpiperidinium chloride
  • BAS 08301W
  • BAS 08305 W
  • BAS 08306 W
  • BAS 08307 W
  • BAS 083W
  • BAS-083
  • BAS-08300W
  • Bas85559X
  • Caswell No. 380AB
  • CDP
  • EINECS 246-147-6
  • EPA Pesticide Chemical Code 109101
  • HSDB 7059
  • Mepiquat chloride
  • Methylpiperidine hydrochloride
  • N,N-Dimethyl-piperidinium chloride
  • PIX
  • Pix Ultra

Systematic Names

  • 1,1-Dimethylpiperidinium chloride
  • Piperidinium, 1,1-dimethyl-, chloride
  • Piperidinium, 1,1-dimethyl-, chloride (1:1)

Superlist Name

  • N,N-Dimethylpiperidinium chloride

Registry Numbers

CAS Registry Number

  • 24307-26-4


  • X0S7YUN0EP

Related Registry Number

  • 15302-91-7 (Parent)

System Generated Number

  • 0024307264

Molecular Formulas

Molecular Formula

  • C7-H16-N.Cl

Molecular Formula Fragments

  • C7-H16-N
  • Cl

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 780mg/kg (780mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S269, 1992.
rat LC50 inhalation > 3900mg/m3 (3900mg/m3)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 17, Pg. S269, 1992.
rat LD50 oral 464mg/kg (464mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C241, 1991.
rat LD50 skin > 7800mg/kg (7800mg/kg)   Pesticide Manual. Vol. 9, Pg. 548, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 223 deg C   EXP
log P (octanol-water) -2.82E+00 (none)   EXP
Water Solubility 5.00E+05 mg/L 20 EXP
Atmospheric OH Rate Constant 2.81E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.