Research Studies
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Pesticides: M – N

Pesticides

The most comprehensive database for fluorinated pesticides, including the inorganic compounds Cryolite and Sulfuryl Fluoride, as well as hundreds of organo-fluorine compounds that may well prove to be as toxic, or more toxic, than the chlorinated pesticides they are replacing.

Pesticides: M – N

The List of Fluorinated and Fluoride Pesticides
Beginning with
M – N

Note: The information on the pesticides was current as of 2007 –  FAN intends to update this throughout 2012-2013.

PESTICIDE ADVERSE EFFECTS REGISTERED FOR USE
MNFA

  • Also known as Nissol or MNAF
  • CAS No. 5903-13-9
  • Acaricide
    (Unclassified)
 See effects:

  • Blood
  • Body Weight Decrease
  • Brain
  • Endocrine: Testes
  • Heart
  • Kidney
  • Liver
  • Lung
 EPA Registered: No
Magnesium aluminum
fluosilicate

  • CAS No. 1327-43-1
  • Insecticide
 As of April 2003: Very little Tox info available. EPA Registered: No
Magnesium fluosilicate

  • CAS No. 16949-65-8
  • Insecticide
 As of April 2003: Very little Tox info available EPA Registered: No
Mefluidide 

  • CAS No. 53780-34-0
  • Herbicide,
    Plant Growth
    Regulator 
    (Anilide)
 See Effects:

  • Body Weight Decrease
  • Developmental
  • EyeKidney
  • Liver
  • Sciatic nerve
  • Spleen

Environmental:

  • Above the USEPA’s level of concern for direct acute (listed and nonlisted) and chronic toxic exposure to mammals, birds and acute (listed and nonlisted) exposure to terrestrial and semi aquatic plants.
  • Moderately persistent and mobile in terrestrial environments.
 EPA Registered: Yes

  • US Tolerances: Revoked
  • Registered use in: South Africa, UK, US
Mefluidide, diethanolamine
salt

  • CAS No. 53780-36-2
  • Herbicide
    (Anilide)
 See Mefluidide above for effects. In June 2007, USEPA concluded that mefluidide DEA and potassium salts are biologically equivalent to mefluidide and thus they share the same toxicity as the free mefluidide. EPA Registered: Yes
Mefluidide, potassium salt

  • CAS No. 83601-83-6
  • Herbicide
    (Anilide)
 See Mefluidide above for effects. In June 2007, USEPA concluded that mefluidide DEA and potassium salts are biologically equivalent to mefluidide and thus they share the same toxicity as the free mefluidide. EPA Registered: Yes
Meperfluthrin

  • Cas No. 915288-13-0
  • Insecticide
 New pesticide as of January 2010. No toxicological information available. EPA Registered: No
Metaflumizone

  • CAS No. 139968-49-3
  • Insecticide
    (unclassified)
 See effects

  • Ataxia
  • Blood
  • Body Weight Decrease
  • Bone
  • Clastogenic
  • Liver
  • Reproductive
 EPA Registered: Pending
Metamifop

  • CAS No. 256412-89-2
 As of January 2006: no tox data available.

  • New Pesticide: May 2001
 EPA Registered: No
Metflurazone

  • CAS No. 23576-23-0
  • Herbicide
    (Pyridazinone)
 As of October 2003: no tox data available EPA Registered: No
Methalpropalin

  • CAS No. 57801-46-4
  • Herbicide
    (2,6-Dinitroaniline)
 As of April 2005: no tox data available EPA Registered: No
Methanesulfonyl
fluoride 

  • CAS No. 558-25-8
  • Fumigant,
    Insecticide, 
    Wood Preservative
  • Organophosphate pesticide – no longer being used
 See effects

  • Ataxia
  • Blood
  • Brain
  • CNS – Irreversible inhibitor of acetylcholinesterase
  • Tremors/Convulsions
 EPA Registered: No
Methiozolin

  • CAS No. 403640-27-7
  • Herbicide
 New pesticide as of December 2008. No toxicilogical information available. EPA Registered: No
2-[Methyl
(polyfluoroalkylsulfonyl )
amino]ethyl methacrylate,
polym. w. heptyl
methacrylate, butyl
methacrylate and N-
methylolacrylamide

  • EPA List 3 Inert
 PFOA and PFOS are perfluoridated chemicals that are persistent in the environment. They do not hydrolyze, photolyze, or biodegrade under environmental conditions

  • Class Action lawsuit against DuPont and a local water company for contaminated drinking water supplies containing a PFOA chemical known as C8.
 EPA Registered: Yes

  • US EPA List 3 Inert
  • Registered use in: US – Because this is an “Inert”, the public is not allowed to know which crops it is used on.
2-[Methyl [(perfluoroalkyl)alkyl(C2-
C8)sulfonyl]
amino]alkyl(C2-C8)
acrylate„alkyl(C2-C8)
methacrylates- N-
methylolacrylamide
copolymer

  • Former EPA Inert used as a Water Repellant Agent
SEE ABOVE EPA Registered: No

  • Former US EPA List 3 Inert
Metofluthrin

  • CAS No. 240494-70-6
  • Insecticide
    (pyrethroid ester)
 New pesticide in October 2002. As of April 2005: No tox data available. EPA Registered: No

  • Registered use in: Singapore
  • Experimental use (2004) in Lombok Island, Indonesia.
Mipafox

  • CAS No. 371-86-8
  • Acaricide,
    Insecticide 
    (Organophosphate)
  • WHO: believed
    obsolete or
    discontinued
 See effects

  • Ataxia
  • Brain
  • CNS
  • Sciatic Nerve
  • Spinal Cord

Environmental:

  • Long half life in water at PH6 (200 days)
 EPA Registered: No
Mono- and bis-(1 H, 1 H,
2 H, 2 H-perfluoroalkyl)
phosphates where the
alkyl group is even
numbered and in the
C6-C12 range

  • Former EPA Inert used as a Defoaming Agent
 No specific data available.

 PA Registered: No

  • Former US EPA List 3 Inert
2- Naphthalenesulfonic acid,
6-amino-4-hydroxy-5-{{2- (trifluoromethyl)
phenyl}azo}-,
monosodium salt

  • CAS No. 67786-14-5
  • EPA List 3 Inert
 As of October 2003: no tox data available EPA Registered: Yes

  • EPA List 3 Inert
  • Registered use in: US – Because this is an “Inert”, the public is not allowed to know which crops it is used on.
Nifluridide

  • CAS No. 61444-62-0
  • Acaricide,
    Insecticide 
    (Amide)
 As of October 2003: no tox data available EPA Registered: No
Nipyraclofen

  • CAS No. 99662-11-0
  • Herbicide 
    (Unclassified)
 As of March 2005: tox data not accessible EPA Registered: No
NissolSee MNFA
Nitrofluorfen

  • CAS No. 42874-01-1
  • Herbicide
    (Nitrophenyl ether)
 As of October 2003: no tox data available EPA: Temporary
Norflurazon

  • CAS No. 27314-13-2
  • Herbicide
    (Pyridazinone)
 See effects

  • Blood
  • Body Weight Decrease
  • Bone
  • Cancer: Possible Human
  • Carcinogen – LIVER
  • Cholesterol
  • Endocrine: Ovary
  • Endocrine: Thyroid
  • Endocrine: Uterus
  • Kidney
  • Liver
  • Spleen

Environmental:

  • Groundwater Contaminant
  • California found norflurazon – the third most popular Herbicide used on the state’s roadsides – in 9.5% of the wells in 1997, the first time samples were taken.
 EPA Registered: Yes

  • Registered use in: Australia, New Zealand, South Africa, US

European Commission: Not allowed to be used as an active ingredient after July 25, 2003.
Novaluron

  • CAS No. 116714-46-6
  • Insecticide
    (Benzoylurea)
 As of October 2003: very little tox data available. See effects

  • Anemia
  • Blood
  • Body Weight Decrease
  • CNS
  • Endocrine: Testes
  • Liver
  • Reproductive and Developmental
  • Spleen

NOTE: Chloroaniline, p (or 4-chloroaniline) is a metabolite of Novaluron. In 2006, USEPA classified chloroaniline, p as a”Group B2 — Probable Human Carcinogen.” – SPLEEN, Adrenal, LIVER

 EPA Registered: Yes

  • Registered use in: Argentina, Australia, Italy, Japan, South Africa, US
Noviflumuron

  • CAS No. 121451-02-3
  • Insecticide
    (Benzoylurea)
 See effects

  • Blood
  • Body Weight Decrease
  • Bone
  • Brain
  • Cancer: LIVER, LUNG
  • Endocrine: Adrenal
  • Endocrine: Testicular
  • Endocine: Uterine
  • Eye
  • Kidney
  • Liver
  • Lung
  • Reproductive
  • Spleen
  • Stomach
  • Teratogen

Environmental:

  • Highly toxic to freshwater invertebrates
 EPA Registered: Yes
Nuarimol

  • CAS No. 63284-71-9
  • Fungicide
    (Pyrimidine)
 See effects

  • Ataxia
  • Body Weight Decrease
  • Liver

The UK Pesticide Safety Directorate:
were advised in June 2003 that the active substance nuarimol was not being supported in the EU review programme.

 EPA Registered: No

  • Registered use in: Hungary, Portugal, South Africa, Taiwan, UK