Pirimiphos-methyl

Modify Date: 2025-08-20 11:03:34

Pirimiphos-methyl structure	Common Name	Pirimiphos-methyl
	CAS Number	29232-93-7	Molecular Weight	305.334
	Density	1.2±0.1 g/cm3	Boiling Point	386.5±52.0 °C at 760 mmHg
	Molecular Formula	C₁₁H₂₀N₃O₃PS	Melting Point	15°C
	MSDS	Chinese USA	Flash Point	187.6±30.7 °C
	Symbol	GHS07, GHS09	Signal Word	Warning

Use of Pirimiphos-methyl

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
Synonym	More Synonyms

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	Research Areas >> Infection Signaling Pathways >> Neuronal Signaling >> AChE
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.

Description

Related Catalog

Research Areas >> Infection

Signaling Pathways >> Neuronal Signaling >> AChE

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

Pirimiphos-methyl MSDS(Chinese)

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
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

Dimethyl chloro...

CAS#:2524-03-0

2-(diethylamino...

CAS#:42487-72-9

Pirimiphos-methyl

CAS#:29232-93-7

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

Precursor 2
CAS#:2524-03-0 Dimethyl chloro... CAS#:42487-72-9 2-(diethylamino...
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%

Mosquito larvicidal activity of active constituent derived from Chamaecyparis obtusa leaves against 3 mosquito species.

J. Am. Mosq. Control Assoc. 21(4) , 400-3, (2005)

Mosqutio larvicidal activity of Chamaecyparis obtusa leaf-derived materials against the 4th-stage larvae of Aedes aegypti (L.), Ochlerotatus togoi (Theobald), and Culex pipiens pallens (Coquillett) wa...

Erythropoietic response and hematological parameters in the catfish Clarias albopunctatus exposed to sublethal concentrations of actellic.

Ecotoxicol. Environ. Saf. 62(3) , 436-40, (2005)

Clarias albopunctatus fingerlings were subjected to sublethal concentrations (0, 0.3, 0. 5, 0.8, and 1.0microg/L) of actellic for 18 days in a static bioassay system. The hemoglobin, erythrocyte count...

Evaluation of immunotoxicity induced by pirimiphos-methyl in male Balb/c mice following exposure to for 28 days.

J. Toxicol. Environ. Health A 70(15-16) , 1278-87, (2007)

Pirimiphos-methyl (O-2-diethylamino-6-methylpyrimidin-4-yl O,O-dimethyl phosphorothioate: POM) is widely used organophosphorous (OP) insecticide as a grain protectant to control insects during storage...

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

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Pirimiphos-methyl
Price: Check
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Pirimiphos-methyl
Price: ￥178.0/1ml
Purity: 98.0%
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DC Chemicals Limited
China
Product Name: Pirimiphos-methyl
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ShangHai DC Chemicals Co.,Ltd
China
Product Name: Pirimiphos-methyl
Price: ￥Inquiry/1g
Purity: 98.9%
Delivery: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Pirimiphos-methyl
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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