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29232-93-7

29232-93-7 structure
29232-93-7 structure
  • Name: Pirimiphos-methyl
  • Chemical Name: pirimiphos-methyl
  • CAS Number: 29232-93-7
  • Molecular Formula: C11H20N3O3PS
  • Molecular Weight: 305.334
  • Catalog: Chemical pesticide Insecticide Organophosphorus pesticide
  • Create Date: 2018-08-27 22:16:51
  • Modify Date: 2025-08-20 11:03:34
  • Pirimiphos-methyl is a rapid-acting organophosphorus insecticide and acaricide, causing inhibition of AChE in target organisms. Pirimiphos-methyl is often used for prevention and control of beetles, snout beetles, moths and Ephestia cautella during storage of agricultural grains[1][2][3].
Name pirimiphos-methyl
Synonyms Tomahawk
Blex
Actelic
oms1424
O,O-dimethyl-O-(2-diethyl-amino-6-methylpyrimidine-4-yl)
O-[2-(Diethylamino)-6-methylpyrimidin-4-yl] O,O-dimethyl phosphorothioate
pirimiphos methyl
sybol2
O-[2-(Diethylamino)-6-methyl-4-pyrimidinyl] O,O-dimethyl phosphorothioate
MFCD00055366
O-[2-(Diethylamino)-6-methylpyrimidin-4-yl]-O,O-dimethylthiophosphat
Sybol
Pirimifos-methyl
Pirimiphos-methyl
aktelik
O-2-diethylamino-6-methylpyrimidin-4-yl O,O-dimethyl phosphorothioate
O-[2-(Diethylamino)-6-methyl-4-pyrimidinyl]-O,O-dimethylthiophosphat
O-2-diethylamino-6-methylpyrimidin-4-yl-O,O-dimethylphosphorothioate
ACTELLIC
PP511
Phosphorothioic acid, O-[2-(diethylamino)-6-methyl-4-pyrimidinyl] O,O-dimethyl ester
EINECS 249-528-5
Thiophosphate de O-[2-(diéthylamino)-6-méthyl-4-pyrimidinyle] et de O,O-diméthyle
Silosan
Description Pirimiphos-methyl is a rapid-acting organophosphorus insecticide and acaricide, causing inhibition of AChE in target organisms. Pirimiphos-methyl is often used for prevention and control of beetles, snout beetles, moths and Ephestia cautella during storage of agricultural grains[1][2][3].
Related Catalog
References

[1]. Shizhuang Weng, et al. Detection of Pirimiphos-Methyl in Wheat Using Surface-Enhanced Raman Spectroscopy and Chemometric Methods. Molecules. 2019 Apr 30;24(9):1691.

[2]. Pål A Olsvik, et al. In Vitro Toxicity of Pirimiphos-Methyl in Atlantic Salmon Hepatocytes. Toxicol In Vitro. 2017 Mar;39:1-14.

[3]. Esther Borrás, et al. Atmospheric Degradation of the Organothiophosphate Insecticide - Pirimiphos-methyl. Sci Total Environ. 2017 Feb 1;579:1-9.
Density 1.2±0.1 g/cm3
Boiling Point 386.5±52.0 °C at 760 mmHg
Melting Point 15°C
Molecular Formula C11H20N3O3PS
Molecular Weight 305.334
Flash Point 187.6±30.7 °C
Exact Mass 305.096283
PSA 98.61000
LogP 4.00
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.555
Storage condition APPROX 4°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TF1410000
CHEMICAL NAME :
Phosphorothioic acid, O-(2-(diethylamino)-6-methyl-4-pyrimidinyl) O,O-dimethyl ester
CAS REGISTRY NUMBER :
29232-93-7
LAST UPDATED :
199710
DATA ITEMS CITED :
22
MOLECULAR FORMULA :
C11-H20-N3-O3-P-S
MOLECULAR WEIGHT :
305.37
WISWESSER LINE NOTATION :
T6N CNJ BN2&2 DOPS&O1&O1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1250 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory stimulation
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>150 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4592 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10736 mg/kg/9W-I
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1 gm/kg/4W-I
TOXIC EFFECTS :
Blood - change in clotting factors Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
601 mg/kg/26W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - proteinuria Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
24 mg/m3/4H/17W-I
TOXIC EFFECTS :
Brain and Coverings - recordings from specific areas of CNS Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
Cytogenetic analysis

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
400 mg/kg/5D (Continuous)
REFERENCE :
BECTA6 Bulletin of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1966- Volume(issue)/page/year: 36,680,1986 *** REVIEWS *** TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989
Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H302-H410
Precautionary Statements P273-P301 + P312 + P330-P391-P501
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F: Flammable;Xn: Harmful;N: Dangerous for the environment;
Risk Phrases R22;R50/53;R67;R65;R38;R11
Safety Phrases S60-S61-S62
RIDADR UN3082 9/PG 3
RTECS TF1410000
HS Code 2933599011
2524-03-0 structure

2524-03-0

42487-72-9 structure

42487-72-9

~%

29232-93-7 structure

29232-93-7

Literature: Farghaly; Taha; Soliman; Fathy; Bedair Egyptian Journal of Chemistry, 2010 , vol. 53, # 6 p. 923 - 938
Precursor  2

DownStream  0

HS Code 2933599011
Summary 2933599011 o-(2-(diethylamino)-6-methylpyrimidin-4-yl) o,o-dimethyl phosphorothioate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%
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