Compound

D0219 | Paraquat

Molecular Formula C12H14Cl2N2
Molecular Weight 257.16
Structure
Trade names Methyl Viologen
Description viologen (a family of redox-active heterocycles of similar structure); herbicides

Toxicity Dose Time Species Model Method Action Positive criterion Reference
CALCIUM-DEPENDENT increase 67
UNCOUPLING increase 67
UNCOUPLING rat isolated liver mitochondria measurements of mitochondrial respiration; RST inhibition assay, RST uncoupling assay; IC 50ratio of glucose/galactose assay Negative 53
ELECTRON TRANSPORT CHAIN decrease 35
ELECTRON TRANSPORT CHAIN rat isolated liver mitochondria measurements of mitochondrial respiration; RST inhibition assay, RST uncoupling assay; IC 50ratio of glucose/galactose assay Negative 53
LIPID PEROXIDATION 10 mg/kg/week intraperitoneal (i.p.) 3weeks C57BL/6 mice 242
SWELLING increase 67
OXIDATIVE STRESS 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion Negative 14
OXIDATIVE STRESS 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate Negative 14
OXIDATIVE STRESS 10 mM yeast; EG110 (MnSOD knock-out) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate increase 14
OXIDATIVE STRESS 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate increase 14
OXIDATIVE STRESS 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
OXIDATIVE STRESS 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used glutamate/malate (5 mM) as substrate increase 14
OXIDATIVE STRESS 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used glutamate/malate (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
OXIDATIVE STRESS 0.1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate increase 14
OXIDATIVE STRESS 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
OXIDATIVE STRESS 0.1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate; Used rotenone (4μm) as inhibiter Negative 14
OXIDATIVE STRESS 1 mM 10 minutes rat isolated heart mitochondria Measurement of hydrogen peroxide; Used glutamate/malate (5 mM) as substrate increase 14
OXIDATIVE STRESS 1 mM 10 minutes rat isolated heart mitochondria Measurement of hydrogen peroxide; Used succinate (5 mM) as substrate increase 14
ROS PRODUCTION 10 mg/kg/week intraperitoneal (i.p.) 4 weeks C57BL/6 mice 242
ROS PRODUCTION 250 μM 5min Sprague Dawley rat brain cultures 242
MITOCHONDRIAL DNA MUTATION 100 μM 48 hours yeast; EG103 (Wild-type) mitochondria Measurement of Mitochondrial DNA point mutations Negative p < 0.05 14
MITOCHONDRIAL DNA MUTATION 100 μM 48 hours yeast; EG110 (MnSOD knock-out) mitochondria Measurement of Mitochondrial DNA point mutations increase p < 0.01 14

Target Dose Time Species Model Method Action Positive criterion Reference
NADH:ubiquinone reductase inhibitor 35
NADH:ubiquinone reductase 10 mg/kg/week intraperitoneal (i.p.) 4 weeks C57BL/6 mice 242
Quinol--cytochrome-c reductase 250 μM 5min Sprague Dawley rat brain cultures 242
superoxide 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion Negative 14
superoxide 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate Negative 14
superoxide 10 mM yeast; EG110 (MnSOD knock-out) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate increase 14
superoxide 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate increase 14
superoxide 10 mM yeast; EG103 (Wild-type) mitochondria Measurement of superoxide anion; Used ethanol (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
superoxide 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used glutamate/malate (5 mM) as substrate increase 14
superoxide 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used glutamate/malate (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
superoxide 0.1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate increase 14
superoxide 1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate; Used FCCP (1μm) as uncoupler Negative 14
superoxide 0.1 mM 10 minutes rat isolated heart mitochondria Measurement of superoxide anion; Used succinate (5 mM) as substrate; Used rotenone (4μm) as inhibiter Negative 14
hydrogen peroxide 1 mM 10 minutes rat isolated heart mitochondria Measurement of hydrogen peroxide; Used glutamate/malate (5 mM) as substrate increase 14
hydrogen peroxide 1 mM 10 minutes rat isolated heart mitochondria Measurement of hydrogen peroxide; Used succinate (5 mM) as substrate increase 14

Pictogram Signal Statements Precautionary Statement Codes
Danger

Aggregated GHS information provided by 96 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.


H301+H311 (39.58%): Toxic if swallowed or in contact with skin [Danger Acute toxicity, oral


acute toxicity, dermal]


H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]


H310 (35.42%): Fatal in contact with skin [Danger Acute toxicity, dermal]


H311 (64.58%): Toxic in contact with skin [Danger Acute toxicity, dermal]


H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]


H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]


H330 (100%): Fatal if inhaled [Danger Acute toxicity, inhalation]


H335 (98.96%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure


Respiratory tract irritation]


H372 (98.96%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]


H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]


H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]


Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.


P260, P261, P262, P264, P270, P271, P273, P280, P284, P301+P310, P302+P350, P302+P352, P304+P340, P305+P351+P338, P310, P312, P314, P320, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P391, P403+P233, P405, and P501; (The corresponding statement to each P-code can be found at the GHS Classification page.)
Danger

H301: Toxic if swallowed [Danger Acute toxicity, oral]


H311: Toxic in contact with skin [Danger Acute toxicity, dermal]


H315: Causes skin irritation [Warning Skin corrosion/irritation]


H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]


H330: Fatal if inhaled [Danger Acute toxicity, inhalation]


H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure


Respiratory tract irritation]


H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]


H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]


P260, P261, P264, P270, P271, P273, P280, P284, P301+P310, P302+P352, P304+P340, P305+P351+P338, P310, P312, P314, P320, P321, P322, P330, P332+P313, P337+P313, P361, P362, P363, P391, P403+P233, P405, and P501; (The corresponding statement to each P-code can be found at the GHS Classification page.)
Danger

H301: Toxic if swallowed [Danger Acute toxicity, oral]


H310: Fatal in contact with skin [Danger Acute toxicity, dermal]


H315: Causes skin irritation [Warning Skin corrosion/irritation]


H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]


H330: Fatal if inhaled [Danger Acute toxicity, inhalation]


H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]


H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]


H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]


H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]


P260, P262, P264, P270, P271, P273, P280, P284, P301+P310, P302+P350, P302+P352, P304+P340, P305+P351+P338, P307+P311, P310, P314, P320, P321, P322, P330, P332+P313, P361, P362, P363, P391, P403+P233, P405, and P501; (The corresponding statement to each P-code can be found at the GHS Classification page.)

Organism Test type Route Dose (normalized dose) Effect Source
dog LD50 oral 25mg/kg (25mg/kg) Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 10, Pg. 520, 1979.
turkey LDLo intravenous 12500ug/kg (12.5mg/kg) gastrointestinal: "hypermotility, diarrhea" Poultry Science. Vol. 52, Pg. 1625, 1973.
rabbit LDLo ocular 100mg/kg (100mg/kg) Bulletin of Environmental Contamination and Toxicology. Vol. 9, Pg. 163, 1973.
duck LD50 skin 600mg/kg (600mg/kg) Toxicology and Applied Pharmacology. Vol. 47, Pg. 451, 1979.
women LDLo oral 111mg/kg (111mg/kg) Archives of Internal Medicine. Vol. 146, Pg. 681, 1986.
child TDLo oral 30uL/kg (0.03mL/kg) Veterinary and Human Toxicology. Vol. 34, Pg. 164, 1992.
dog LC inhalation > 4mg/m3/3.4H (4mg/m3) British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
rat LD50 skin 80mg/kg (80mg/kg) World Review of Pest Control. Vol. 9, Pg. 119, 1970.
frog LD50 parenteral 260mg/kg (260mg/kg) Acta Biologica Hungarica. Vol. 36, Pg. 295, 1985.
mouse LD50 intravenous 180mg/kg (180mg/kg) U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00224,
pig LD50 oral 30mg/kg (30mg/kg) "Pflanzenschutz-und Schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen," 2nd ed., Klimmer, O.R., Hattingen, Fed. Rep. Ger., Hundt-Verlag, 1971Vol. -, Pg. 104, 1971.
mouse LD50 oral 120mg/kg (120mg/kg) General Pharmacology. Vol. 12, Pg. 225, 1981.
mouse LD50 intraperitoneal 20mg/kg (20mg/kg) Journal of Pathology. Vol. 128, Pg. 21, 1979.
rabbit LDLo oral 69030ug/kg (69.03mg/kg) behavioral: food intake (animal) Ain Shams Medical Journal. Vol. 23, Pg. 599, 1972.
rat LD50 intravenous 21mg/kg (21mg/kg) Toxicology and Applied Pharmacology. Vol. 22, Pg. 241, 1972.
dog LDLo intravenous 34500ug/kg (34.5mg/kg) Fundamental and Applied Toxicology. Vol. 2, Pg. 261, 1982.
monkey LD50 oral 50mg/kg (50mg/kg) Experimental and Molecular Pathology. Vol. 17, Pg. 317, 1972.
man LDLo subcutaneous 3uL/kg (0.003mL/kg) British Medical Journal. Vol. 3, Pg. 721, 1967.
guinea pig LD50 oral 22mg/kg (22mg/kg) Experimental and Molecular Pathology. Vol. 17, Pg. 317, 1972.
man LDLo oral 857ug/kg (0.857mg/kg) Nippon Byori Gakkai Kaishi. Journal of the Japanese Pathological Society. Vol. 70, Pg. 118, 1981.
mouse LD50 oral 120mg/kg (120mg/kg) lungs, thorax, or respiration: fibrosis (interstitial) General Pharmacology. Vol. 12, Pg. 225, 1981.
man LDLo oral 3380uL/kg (3.38mL/kg) American Journal of Emergency Medicine. Vol. 6, Pg. 509, 1988.
domestic animals - goat/sheep LD50 intravenous 1mg/kg (1mg/kg) Journal of Toxicology, Clinical Toxicology. Vol. 19, Pg. 911, 1983.
human LDLo oral 214mg/kg (214mg/kg) Yakkyoku. Pharmacy. Vol. 30, Pg. 985, 1979.
rabbit LC inhalation > 2200ug/m3/2. (2.2mg/m3) British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
man TDLo oral 57ug/kg (0.057mg/kg) British Journal of Clinical Practice. Vol. 30, Pg. 71, 1976.
guinea pig LD50 intraperitoneal 3mg/kg (3mg/kg) British Journal of Industrial Medicine. Vol. 23, Pg. 126, 1966.
rabbit LD50 skin 325mg/kg (325mg/kg) skin and appendages (skin): cutaneous sensitization (experimental): after topical exposure British Journal of Industrial Medicine. Vol. 23, Pg. 126, 1966.
turkey LD50 skin 375mg/kg (375mg/kg) gastrointestinal: "hypermotility, diarrhea" Poultry Science. Vol. 52, Pg. 1625, 1973.
mouse LD50 subcutaneous 37mg/kg (37mg/kg) Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 157, 1988.
rabbit LD50 intraperitoneal 18mg/kg (18mg/kg) Veterinary and Human Toxicology. Vol. 21, Pg. 404, 1979.
man TDLo oral 32mg/kg (32mg/kg) British Medical Journal. Vol. 3, Pg. 290, 1968.
turkey LDLo oral 250mg/kg (250mg/kg) gastrointestinal: "hypermotility, diarrhea" Poultry Science. Vol. 52, Pg. 1625, 1973.
women LDLo oral 3gm/kg (3000mg/kg) Fukushima Igaku Zasshi. Vol. 27, Pg. 494, 1977.
man LDLo oral 1720mg/kg (1720mg/kg) Clinical Toxicology. Vol. 18, Pg. 915, 1981.
rat LD50 subcutaneous 27mg/kg (27mg/kg) Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 157, 1988.
chicken LD50 oral 262mg/kg (262mg/kg) British Journal of Industrial Medicine. Vol. 23, Pg. 126, 1966.
rat LD50 oral 57mg/kg (57mg/kg) Residue Reviews. Vol. 10, Pg. 97, 1965.
turkey LDLo intraperitoneal 20mg/kg (20mg/kg) gastrointestinal: "hypermotility, diarrhea" Poultry Science. Vol. 52, Pg. 1625, 1973.
women LDLo multiple routes 12200ug/kg/30 (12.2mg/kg) Yale Journal of Biology and Medicine. Vol. 50, Pg. 481, 1977.
domestic animals - goat/sheep LD50 oral 30mg/kg (30mg/kg) "Pflanzenschutz-und Schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen," 2nd ed., Klimmer, O.R., Hattingen, Fed. Rep. Ger., Hundt-Verlag, 1971Vol. -, Pg. 104, 1971.
guinea pig LCLo inhalation 2200ug/m3/2.5 (2.2mg/m3) British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
rat LC50 inhalation 1mg/m3/6H (1mg/m3) British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
cat LD50 oral 35mg/kg (35mg/kg) Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 10, Pg. 520, 1979.
rat LD50 intraperitoneal 19mg/kg (19mg/kg) British Journal of Industrial Medicine. Vol. 23, Pg. 126, 1966.
mouse LC inhalation > 2200ug/m3/2. (2.2mg/m3) British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
man LDLo parenteral 57uL/kg (0.057mL/kg) Forensic Science International. Vol. 49, Pg. 215, 1991.
man LDLo oral 43mg/kg (43mg/kg) British Medical Journal. Vol. 2, Pg. 396, 1978.
duck LD50 oral 199mg/kg (199mg/kg) Toxicology and Applied Pharmacology. Vol. 47, Pg. 451, 1979.


  • 1,1'-Dimethyl-4,4'-bipyridinium dichloride 1,1'-Dimethyl-4,4'-bipyridinium dichloride trihydrate 1,1'-Dimethyl-4,4'-bipyridynium dichloride
    1,1'-Dimethyl-4,4'-dipyridinium-dichlorid 1,1'-Dimethyl-4,4'-dipyridinium-dichlorid [German] 1,1'-Dimethyl-4,4'-dipyridylium dichloride
    1,1'-Dimethyl-[4,4'-bipyridine]-1,1'-diium chloride 1,1'-dimethyl-4,4' bipyridinium dichloride 1,1'-dimethyl-4,4'-bipyridine-1,1'-diium chloride
    1,1'-dimethyl-[4,4'-bipyridin]-1,1'-diium dichloride 1,1'-dimethyl-[4,4'-bipyridine]-1,1'-diium dichloride 1,1-Dimethyl-4,4-bipyridinium Dichloride, inverted exclamation markY 98.0%
    1,1-Dimethyl-4,4-dipyridilium dichloride 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium dichloride 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride
    1910-42-5 2KZ83GSS73 4,4'-Bipyridinium, 1,1'-dimethyl-, dichloride
    4,4'-Dimethyldipyridyl dichloride AC-907/25005209 AH 501
    AI3-61943 AKOS001071567 AS-57157
    Bipyridinium, 1,1'-dimethyl-4,4'-, dichloride C00225 CCRIS 9018
    CHEBI:28786 CHEMBL458019 Caswell No. 634
    Cekuquat Crisquat D3685
    DTXSID7024243 Dexuron Dimethyl viologen chloride
    Dwuchlorek 1,1'-dwumetylo-4,4'-dwupirydyniowy Dwuchlorek 1,1'-dwumetylo-4,4'-dwupirydyniowy [Polish] EINECS 217-615-7
    EPA Pesticide Chemical Code 061601 Esgram FIKAKWIAUPDISJ-UHFFFAOYSA-L
    FT-0652363 GTPL4552 Galokson
    Goldquat 276 Gramixel Gramoxone
    Gramoxone D Gramoxone S Gramoxone W
    Gramoxone dichloride Gramuron Herbaxon
    Herboxone J-012343 LS-961
    MCULE-7000160142 Methyl Viologen hydrate, 98% Methyl viologen
    Methyl viologen (reduced) Methyl viologen dichloride Methylviologen chloride
    N,N'-Dimethyl-4,4'-bipyridinium dichloride N,N'-Dimethyl-4,4'-bipyridylium dichloride N,N'-Dimethyl-4,4'-dipyridylium dichloride
    NSC 263500 NSC 88126 OK 622
    Ortho paraquat cl P864 Parakwat
    Parakwat [Polish] Paraquat chloride Paraquat cl
    Paraquat dichloride Paraquat dichloride 10 microg/mL in Water Paraquat dichloride 100 microg/mL in Water
    Paraquat dichloride [ISO] Paraquat, dichloride Paraquat-dichloride
    Pathclear Pillarquat Pillarxone
    Q409669 SCHEMBL21653 Toxer total
    UNII-2KZ83GSS73 Viologen, methyl- Z89271816
    methylviologen

    CAS Number 1910-42-5, 75365-73-0
    PubChem Compound 15938
    KEGG Compound ID C14701
    ChEBI 34905
    ChemSpider 15146
    Wikipedia Paraquat

    1. Meyer et al. (2013)
    2. West. (2017)
    3. Tanner et al., 2011
    4. Zarazuela Zolkipli-Cunningham & Marni J.Falk. (2017)
    5. McCormack et al., 2005
    6. Tanner et al., 2011