CAS 5598-13-0|Chlorpyrifos-methyl

Introduction：Basic information about CAS 5598-13-0|Chlorpyrifos-methyl, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles26
7. Synonyms

Common Name	Chlorpyrifos-methyl
CAS Number	5598-13-0	Molecular Weight	322.533
Density	1.6±0.1 g/cm3	Boiling Point	347.3±52.0 °C at 760 mmHg
Molecular Formula	C₇H₇Cl₃NO₃PS	Melting Point	45.5-46.5°C
MSDS	ChineseUSA	Flash Point	163.8±30.7 °C
Symbol	GHS02, GHS07	Signal Word	Danger

Names

Name	chlorpyrifos-methyl
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.6±0.1 g/cm3
Boiling Point	347.3±52.0 °C at 760 mmHg
Melting Point	45.5-46.5°C
Molecular Formula	C₇H₇Cl₃NO₃PS
Molecular Weight	322.533
Flash Point	163.8±30.7 °C
Exact Mass	320.894989
PSA	82.48000
LogP	3.71
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.582
InChIKey	HRBKVYFZANMGRE-UHFFFAOYSA-N
SMILES	COP(=S)(OC)Oc1nc(Cl)c(Cl)cc1Cl

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TG0700000

CHEMICAL NAME :: Phosphorothioic acid, O,O-dimethyl O-(3,5,6-trichloro-2-pyridyl) ester

CAS REGISTRY NUMBER :: 5598-13-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C7-H7-Cl3-N-O3-P-S

MOLECULAR WEIGHT :: 322.53

WISWESSER LINE NOTATION :: T6NJ BOPS&O1&O1 CG EG FG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,369,1972 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1828 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Gastrointestinal - hypermotility, diarrhea

REFERENCE :: HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan) No.1- 1951- Volume(issue)/page/year: 23,57,1973

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >670 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,168,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3713 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 35,1315,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6900 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 30,409,1979

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1710 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ZYYZEW Zhongguo Yaolixue Yu Dulixue Zazhi. (Chinese Pharmacological Society, 27 Tai-Ping Road, Beijing 100850, China) V.1- 1986- Volume(issue)/page/year: 9,57,1995

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2032 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Gastrointestinal - hypermotility, diarrhea

REFERENCE :: HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan) No.1- 1951- Volume(issue)/page/year: 23,57,1973

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 37,427,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2325 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 65,144,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 23800 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 30,409,1979

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: BESAAT Bulletin of the Entomological Society of America. (Entomological Soc. of America, 4603 Calvert Rd., College Park, MD 20740) V.1- 1955- Volume(issue)/page/year: 15,123,1969

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,168,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 2250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C74,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: >7950 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,168,1991

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 1200 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Lungs, Thorax, or Respiration - dyspnea Kidney, Ureter, Bladder - urine volume increased

REFERENCE :: VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 31,60,1989

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 13 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1529 mg/kg/26W-C

TOXIC EFFECTS :: Blood - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :: HOEKAN Hokkaidoritsu Eisei Kenkyushoho. Report of the Hokkaido Institute of Public Health. (Nishi- 12-chome, Kita-19-jo, Kita-ku, Sapporo 060, Japan) No.1- 1951- Volume(issue)/page/year: 23,71,1973

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 1875 mg/kg/25D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in erythrocyte (RBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :: VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 31,60,1989

Safety Information

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H225-H302-H312-H319-H332
Precautionary Statements	P210-P280-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant;N:Dangerousfortheenvironment;
Risk Phrases	R43;R50/53
Safety Phrases	S36/37-S60-S61-S36-S26-S16
RIDADR	UN 3077
RTECS	TG0700000
HS Code	2933399026

Customs

HS Code	2933399026

Articles26

Effect of grain storage and processing on chlorpyrifos-methyl and pirimiphos-methyl residues in post-harvest-treated wheat with regard to baby food safety requirements.

Food Addit. Contam. 23(4) , 391-7, (2006)

A study was undertaken to assess the effects of storage intervals and of milling procedures on the dissipation of chlorpyrifos-methyl and pirimiphos-methyl residues in post-harvest-treated wheat grain...

Total diet study on pesticide residues in France: Levels in food as consumed and chronic dietary risk to consumers

Environ. Int. 45 , 135-50, (2012)

Chronic dietary exposure to pesticide residues was assessed for the French population using a total diet study (TDS) to take into account realistic levels in foods as consumed at home (table-ready). T...

Washing effects of limonene on pesticide residues in green peppers.

J. Sci. Food Agric. 93(12) , 2917-21, (2013)

The presence of pesticide residues in food has caused much concern. The low health risks and environmental impacts of limonene make it a very interesting solvent for use in green chemistry. Washing ef...

Synonyms

EINECS 227-011-5

Chlorpyrifos-methyl

MFCD00055310

O,O-dimethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate

O,O-dimethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate

dimethoxy-sulfanylidene-(3,5,6-trichloropyridin-2-yl)oxy-λ<sup>5</sup>-phosphane

O,O-dimethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate

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