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1. Registry of Toxic Effects of Chemical Substances (RTECS)
Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 3-(mercaptomethyl)-1,2,3-benzotriazin-4(3H)-one
Related Pages
RTECS #
TE1925000
CAS #
86-50-0; 54182-73-9
See: NMAM or OSHA Methods
Updated
March 2019
Molecular Weight
317.34
Molecular Formula
C10H12N3O3PS2
Synonyms
1,2,3-Benzotriazin-4(3H)-one, 3-(mercaptomethyl)-, O,O-dimethyl phosphorodithioate
3-(Mercaptomethyl)-1,2,3-benzotriazin-4(3H)-one O,O-dimethyl phosphorodithioate S-ester
Azinfos-methyl (Dutch)
Azinphos methyl
Azinphosmethyl
Azinphos-methyl
Azinphos-methyl (ACGIH:OSHA)
Azinphos-metile (Italian)
BAY 17147
BAY 9027
Bayer 17147
Bayer 9027
Benzotriazine derivative of a methyl dithiophosphate
Benzotriazinedithiophosphoric acid dimethoxy ester
Carfene
Cotneon
Cotnion methyl
Crysthion 2L
Crysthyon
Dimethyldithiophosphoric acid N-methylbenzazimide ester
ENT 23,233
Gusathion
Gusathion 25
Gusathion M
Gusathion methyl
Gusathion-20
Guthion (DOT:OSHA)
Methyl guthion
Methylazinphos
Methylgusathion
Metiltriazotion
NCI-C00066
N-Methylbenzazimide, dimethyldithiophosphoric acid ester
O,O-Dimethyl S-(3,4-dihydro-4-keto-1,2,3-benzotriazinyl-3-methyl) dithiophosphate
O,O-Dimethyl S-(4-oxo-1,2,3-benzotriazino(3)-methyl) thiothionophosphate
O,O-Dimethyl S-(4-oxo-3H-1,2,3-benzotriazine-3-methyl)phosphorodithioate
O,O-Dimethyl S-(4-oxobenzotriazino-3-methyl)phosphorodithioate
O,O-Dimethyl S-4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl phosphorodithioate
O,O-Dimethyl-S-((4-oxo-3H-1,2,3-benzotriazin-3-yl)-methyl)-dithiofosfaat (Dutch)
O,O-Dimethyl-S-((4-oxo-3H-1,2,3-benzotriazin-3-yl)-methyl)-dithiophosphat (German)
O,O-Dimethyl-S-(1,2,3-benzotriazinyl-4-keto)methyl phosphorodithioate
O,O-Dimethyl-S-(4-oxobenzotriazin-3-methyl)-dithiophosphat (German)
O,O-Dimethyl-S-(benzaziminomethyl) dithiophosphate
O,O-Dimetil-S-((4-oxo-3H-1,2,3-benzotriazin-3-il)-metil)-ditiofosfato (Italian)
R 1582
S-(3,4-Dihydro-4-oxo-1,2,3-benzotriazin-3-ylmethyl) O,O-dimethyl phosphorodithioate
S-(3,4-Dihydro-4-oxo-benzo(alpha)(1,2,3)triazin-3-ylmethyl) O,O-dimethyl phosphorodithioate
Mutation Data and Reference
System Test Route/Organism/Tissue Dose Reference
Cytogenetic Analysis lung/human 120 mg/L CNJGA8 18,665,1976
Cytogenetic Analysis other cell types/human 140 mg/L CNJGA8 18,665,1976
Cytogenetic Analysis ovary/hamster 60 mg/L/18H-continuous CHROAU 49,77,1974
gene conversion and mitotic recombination /Saccharomyes cerevisiae 25 gm/L MUREAV 321,203,1994
micronucleus test lymphocyte/human 60 µg/L MUREAV 388,27,1997
mutation in mammalian somatic cells lymphocyte/mouse 10 mg/L NTIS** PB84-138973
mutation in microorganisms /Schizosaccharomyces pombe 25 mmol/L (+/-enzymatic activation step) MUREAV 117,139,1983
mutation in microorganisms /Salmonella typhimurium 7500 µg/plate (-enzymatic activation step) ENMUDM 9(Suppl 9),1,1987
mutation in microorganisms /Saccharomyes cerevisiae 10 gm/L (-enzymatic activation step) MUREAV 321,203,1994
other mutation test systems ovary/hamster 80 mg/L CHROAU 49,77,1974
other mutation test systems fibroblast/human 120 mg/L CNJGA8 18,665,1976
Unscheduled DNA Synthesis fibroblast/human 10 µmol/L NTIS** PB268-647
Reproductive Effects Data and References
Route/Organism Dose Effect Reference
Reproductive: Effects on newborn: Viability index (e.g., # alive at day 4 per # born alive)
oral/rat 190 mg/kg (6-22D preg/21D after birth) Reproductive: Effects on newborn: Weaning or lactation index (e.g., # alive at weaning per # alive at day 4) ARTODN 43,177,1980
Reproductive: Effects on newborn: Growth statistics (e.g., reduced weight gain)
oral/rat 12500 µg/kg (6-15D pregnant) Reproductive: Specific developmental abnormalities: Central nervous system ARTODN 43,177,1980
oral/rat 85 mg/kg (6-22D pregnant) Reproductive: Effects on newborn: Growth statistics (e.g., reduced weight gain) NTIS** PB288-457
oral/rat 20 mg/kg (6-15D pregnant) Reproductive: Other effects on female TIHEEC 14,869,1998
oral/mouse 16 mg/kg (8D pregnant) Reproductive: Specific developmental abnormalities: Musculoskeletal system TCMUD8 5,3,1985
oral/mouse 20 mg/kg (8D pregnant) Reproductive: Effects on embryo or fetus: Fetotoxicity (except death, e.g., stunted fetus) TCMUD8 5,3,1985
Tumorigenic Data and References
Route/Organism Dose Effect Reference
Tumorigenic: Equivocal tumorigenic agent by RTECS criteria
oral/rat lowest published toxic dose: 5110 mg/kg/78W- continuous Gastrointestinal: Tumors NCITR* NCI-TR-69,1978
Endocrine: Thyroid tumors
Tumorigenic: Equivocal tumorigenic agent by RTECS criteria
oral/rat toxic dose: 121 gm/kg/78W- continuous JEPTDQ 1(6),829,1978
Gastrointestinal: Tumors
Acute Toxicity Data and References
Route/Organism Dose Effect Reference
In Vitro/Human, embryonic cells Inhibitor Concentration (50 percent kill): 1.7 µmol/L/4H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration (50 percent kill): 16.3 µmol/L/24H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration (50 percent kill): 52.2 µmol/L/4H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other esterases TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration (50 percent kill): 14.3 µmol/L/24H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other esterases TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration Low: 0.1 µmol/L/4H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration Low: 1 µmol/L/4H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other esterases TIVIEQ 32,190,2016
In Vitro/Human, embryonic cells Inhibitor Concentration Low: 0.1 µmol/L/24H Biochemical: Effect on specific coenzyme: Proportion of isoenzymes TIVIEQ 32,190,2016
inhalation/rat lethal concentration (50 percent kill): 69 mg/m3/1H NTIS** PB277-077
Eye: Lacrimation
intraperitoneal/guinea pig lethal dose (50 percent kill): 40 mg/kg Behavioral: Convulsions or effect on seizure threshold JPETAB 119,208,1957
Gastrointestinal: Changes in structure or function of salivary glands
intraperitoneal/mouse lethal dose (50 percent kill): 4 mg/kg PSEBAA 129,699,1968
intraperitoneal/rat lethal dose (50 percent kill): 4900 µg/kg PSEBAA 114,509,1963
intravenous/rat lethal dose (50 percent kill): 7500 µg/kg NTIS** PB277-077
Peripheral Nerve and Sensation: Flaccid paralysis without anesthesia (usually neuromuscular blockage)
oral/chicken lethal dose (50 percent kill): 277 mg/kg Behavioral: Somnolence (general depressed activity) TXAPA9 11,49,1967
Behavioral: Convulsions or effect on seizure threshold
oral/Dog lethal dose (50 percent kill): 10 mg/kg PEMNDP 9,46,1991
oral/duck lethal dose (50 percent kill): 136 mg/kg DOEAAH 35,25,1979
oral/guinea pig lethal dose (50 percent kill): 80 mg/kg PCOC** -,570,1966
oral/mouse lethal dose (50 percent kill): 8600 µg/kg PESTD5 17,292,1976
oral/rat lethal dose (50 percent kill): 4 mg/kg ENTOX* -,200,2005
oral/rat lethal dose (50 percent kill): 7 mg/kg Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase JPPMAB 13,435,1961
oral/wild bird lethal dose (50 percent kill): 8500 µg/kg TXAPA9 21,315,1972
Behavioral: Somnolence (general depressed activity)
skin/guinea pig lethal dose (50 percent kill): >280 mg/kg Behavioral: Muscle weakness KUMJAX 12,313,1959
Lung, Thorax, or Respiration: Dyspnea
Behavioral: Somnolence (general depressed activity)
skin/mouse lethal dose (50 percent kill): 65 mg/kg Behavioral: Muscle weakness KUMJAX 12,313,1959
Lung, Thorax, or Respiration: Dyspnea
skin/rat lethal dose (50 percent kill): 88 mg/kg ENTOX* -,200,2005
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase
Tank with water/other fish toxic concentration: 0.5 µg/l/96H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other esterases AQUTO* 177,365,2016
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Other oxidoreductases
Tank with water/other fish toxic concentration: 10 µg/l/96H Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase AQUTO* 177,365,2016
unreported route/quail lethal dose (50 percent kill): 32200 µg/kg FMCHA2 -,C32,1991
Brain and Coverings: Other degenerative changes
unreported route/rat lowest published toxic dose: 1.5 mg/kg Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol) TOXID9 72,309,2003
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase
unreported route/rat lethal dose (50 percent kill): 15 mg/kg 30ZDA9 -,371,1971
Other Multiple Dose Data and References
Route/Organism Dose Effect Reference
Blood: Other changes
inhalation/rat lowest published toxic concentration: 4720 µg/m3/6H/12W- intermittent Nutritional and Gross Metabolic: Weight loss or decreased weight gain ARTODN 35,83,1976
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase
Autonomic Nervous System: Other (direct) parasympathomimetic
intraperitoneal/rat lowest published toxic dose: 120 mg/kg/60D- intermittent Nutritional and Gross Metabolic: Weight loss or decreased weight gain JPETAB 119,208,1957
Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
Behavioral: Somnolence (general depressed activity)
oral/Dog lowest published toxic dose: 3094 mg/kg/2Y- continuous Behavioral: Muscle weakness TXAPA9 24,405,1973
Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
Nutritional and Gross Metabolic: Weight loss or decreased weight gain
oral/mouse lowest published toxic dose: 174 mg/kg/9D- continuous Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase BECTA6 60,194,1998
Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field
Behavioral: Convulsions or effect on seizure threshold
oral/rat lowest published toxic dose: 3650 mg/kg/2Y- continuous TXAPA9 24,405,1973
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase
Brain and Coverings: Other degenerative changes
oral/rat lowest published toxic dose: 82810 µg/kg/13W- continuous Blood: Other changes FAATDF 35,101,1997
Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: True cholinesterase
oral/rat lowest published toxic dose: 2184 mg/kg/80W- continuous Endocrine: Thyroid tumors HBPTO* 1,814,2001
Reviews
Organization Standard Reference
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value-time-weighted average 0.2 mg/m3 (inhal, vapor, skin, sen) DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value-Not classifiable as a human carcinogen DTLVS* TLV/BEI,2013
TOXICOLOGY REVIEW RREVAH 51,123,1974
TOXICOLOGY REVIEW AQMOAC #73-19,1973
TOXICOLOGY REVIEW RREVAH 46,1,1973
TOXICOLOGY REVIEW CNDQA8 10(3),43,1975
TOXICOLOGY REVIEW RREVAH 63,1,1976
TOXICOLOGY REVIEW MUTAEX 21,93,2006
TOXICOLOGY REVIEW ENTOX* -,200,2005
TOXICOLOGY REVIEW ENTOX* -,588,2005
TOXICOLOGY REVIEW ENTOX* -,308,2005
TOXICOLOGY REVIEW MUREAV 584,1,2005
TOXICOLOGY REVIEW MUREAV 543,251,2003
TOXICOLOGY REVIEW FEREAC 73,80317,2008
TOXICOLOGY REVIEW HETOEA 26,321,2007
TOXICOLOGY REVIEW FCTOD7 47,2906,2009
TOXICOLOGY REVIEW FEREAC 74,46689,2009
TOXICOLOGY REVIEW MUREAV 760,1,2014
TOXICOLOGY REVIEW NRTXDN 39,158,2013
TOXICOLOGY REVIEW TXCYAC 307,46,2013
TOXICOLOGY REVIEW TXCYAC 307,136,2013
TOXICOLOGY REVIEW TXAPA9 268,157,2013
TOXICOLOGY REVIEW FCTOD7 83,300,2015
TOXICOLOGY REVIEW MUREAV 802,1,2016
Standards and Regulations
Organization Standard Reference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDES Supported RBREV* -,87,1998
Mine Safety and Health Administration (MSHA) STANDARD-air time-weighted average 0.2 mg/m3 (skin) DTLVS* 3,20,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIA time-weighted average 0.2 mg/m3, JUL2008
Occupational Exposure Limit-AUSTRIA MAK-TMW 0.2 mg/m3;KZW 2 mg/m3, inhal, skin, 2007
Occupational Exposure Limit-BELGIUM time-weighted average 0.2 mg/m3, Skin, MAR2002
Occupational Exposure Limit-DENMARK time-weighted average 0.2 mg/m3, skin, MAY2011
Occupational Exposure Limit-FINLAND time-weighted average 0.02 mg/m3, short term exposure limit 0.06 mg/m3, skin, NOV2011
Occupational Exposure Limit-FRANCE VME 0.2 mg/m3, Skin, FEB2006
Occupational Exposure Limit-GERMANY MAK 0.2 mg/m3, inhal, 2011
Occupational Exposure Limit-ICELAND time-weighted average 0.2 mg/m3, skin, NOV2011
Occupational Exposure Limit-KOREA time-weighted average 0.2 mg/m3, skin, 2006
Occupational Exposure Limit-MEXICO time-weighted average 0.2 mg/m3;short term exposure limit 0.6 mg/m3 (skin), 2004
Occupational Exposure Limit-NEW ZEALAND time-weighted average 0.2 mg/m3, skin, JAN2002
Occupational Exposure Limit-NORWAY time-weighted average 0.2 mg/m3, JAN1999
Occupational Exposure Limit-PERU time-weighted average 0,2 mg/m3, JUL2005
Occupational Exposure Limit-THAILAND time-weighted average 0.2 mg/m3, JAN1993
Occupational Exposure Limit-THE NETHERLANDS MAC-TGG 0.2 mg/m3, Skin, 2003
Occupational Exposure Limit-THE PHILIPPINES time-weighted average 0.2 mg/m3, Skin, JAN1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8H time-weighted average 0.2 mg/m3 (skin) CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8H time-weighted average 0.2 mg/m3 (skin) CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8H time-weighted average 0.2 mg/m3 (skin) CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8H time-weighted average 0.2 mg/m3 (skin) CFRGBR 29,1915.1000,1993
NIOSH Documentation and Surveillance
Organization Standard Reference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO AZINPHOS-METHYL-air 10H time-weighted average 0.2 mg/m3 (Sk) NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 Hazard Code 35750; Number of Industries 3; Total Number of Facilities 298; Number of Occupations 4; Total Number of Employees Exposed 595
Status in Federal Agencies
Organization Reference
EPA GENETOX PROGRAM 1988, Inconclusive: B subtilis rec assay; E coli polA without S9
EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal
EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test
EPA GENETOX PROGRAM 1988, Negative: In vitro UDS-human fibroblast; TRP reversion
EPA GENETOX PROGRAM 1988, Positive: S cerevisiae-homozygosis
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
NCI Carcinogenesis Bioassay (feed);equivocal evidence:rat NCITR* NCI-TR-69,1978
NCI Carcinogenesis Bioassay (feed);no evidence:mouse NCITR* NCI-TR-69,1978
NIOSH Analytical Method, 1994: Organophosphorus pesticides, 5600
Page last reviewed: November 16, 2018
Content source: National Institute for Occupational Safety and Health
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