CAS 2921-88-2|Clorpyrifos
Introduction：Basic information about CAS 2921-88-2|Clorpyrifos, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Clorpyrifos | ||
|---|---|---|---|
| CAS Number | 2921-88-2 | Molecular Weight | 350.586 |
| Density | 1.5±0.1 g/cm3 | Boiling Point | 375.9±52.0 °C at 760 mmHg |
| Molecular Formula | C9H11Cl3NO3PS | Melting Point | 42-44°C |
| MSDS | ChineseUSA | Flash Point | 181.1±30.7 °C |
| Symbol | GHS06, GHS09 | Signal Word | Danger |
Names
| Name | chlorpyrifos |
|---|---|
| Synonym | More Synonyms |
Clorpyrifos BiologicalActivity
| Description | Chlorpyrifos is an organophosphate insecticide that is classified as a phosphorothionate. The oxon metabolite of Chlorpyrifos is an inhibitor of acetylcholinesterase (AChE), affecting neurological function in insects, humans, and other animals. The Chlorpyrifos oxon (CPO) metabolite is hydrolyzed by the plasma enzyme paraoxonase 1 (PON1), and susceptibility to neurotoxicity associated with CPO exposure is mitigated by PON1 overexpression. |
|---|---|
| Related Catalog | Research Areas >>Neurological DiseaseSignaling Pathways >>Neuronal Signaling >>AChE |
Chemical & Physical Properties
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 375.9±52.0 °C at 760 mmHg |
| Melting Point | 42-44°C |
| Molecular Formula | C9H11Cl3NO3PS |
| Molecular Weight | 350.586 |
| Flash Point | 181.1±30.7 °C |
| Exact Mass | 348.926270 |
| PSA | 82.48000 |
| LogP | 4.77 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.566 |
| InChIKey | SBPBAQFWLVIOKP-UHFFFAOYSA-N |
| SMILES | CCOP(=S)(OCC)Oc1nc(Cl)c(Cl)cc1Cl |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | Insoluble. 0.00013 g/100 mL |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 300 mg/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - paresthesis Behavioral - muscle weakness Behavioral - coma
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 82 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >200 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 :
- 202 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 - rat
- DOSE/DURATION :
- 150 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 :
- 60 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 - mouse
- DOSE/DURATION :
- 120 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 192 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 :
- 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 :
- 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 :
- 504 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 100 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 - pigeon
- DOSE/DURATION :
- 10 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 - chicken
- DOSE/DURATION :
- 25400 ug/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- 13300 ug/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 - duck
- DOSE/DURATION :
- 76 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 :
- Mammal - species unspecified
- DOSE/DURATION :
- 163 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 - wild bird species
- DOSE/DURATION :
- 5 mg/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 :
- 730 mg/kg/2Y-C
- TOXIC EFFECTS :
- 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 :
- 21840 ug/kg/28D-I
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) 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 :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 800 mg/kg/8W-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Behavioral - somnolence (general depressed activity) Behavioral - tremor
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 2190 mg/kg/2Y-C
- TOXIC EFFECTS :
- Liver - changes in liver weight 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 :
- Bird - chicken
- DOSE/DURATION :
- 980 mg/kg/2W-C
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 210 ug/kg
- SEX/DURATION :
- female 1-7 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 4500 ug/kg
- SEX/DURATION :
- female 7-21 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 200 mL/kg
- SEX/DURATION :
- female 12 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 50 mg/kg
- SEX/DURATION :
- female 12-19 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - other effects to embryo
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 200 mg/kg
- SEX/DURATION :
- female 12-19 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - behavioral
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 250 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- Specific locus test
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
MUTATION DATA - TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - mouse Cells - not otherwise specified
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 279,165,1992 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.2 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 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: 50,1,1974 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: 46,1,1973 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.2 mg/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.2 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.2 mg/m3;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHLORPYRIFOS-air:10H TWA 0.2 mg/m3;STEL 0.6 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4463 No. of Facilities: 753 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 22523 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0714 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 7 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M4463 No. of Facilities: 1276 (estimated) No. of Industries: 4 No. of Occupations: 3 No. of Employees: 11404 (estimated) No. of Female Employees: 842 (estimated)
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - mouse Cells - not otherwise specified
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 279,165,1992 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.2 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 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: 50,1,1974 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: 46,1,1973 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.2 mg/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.2 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.2 mg/m3;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHLORPYRIFOS-air:10H TWA 0.2 mg/m3;STEL 0.6 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4463 No. of Facilities: 753 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 22523 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0714 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 7 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M4463 No. of Facilities: 1276 (estimated) No. of Industries: 4 No. of Occupations: 3 No. of Employees: 11404 (estimated) No. of Female Employees: 842 (estimated)
Safety Information
| Symbol | GHS06, GHS09 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301-H410 |
| Precautionary Statements | P273-P301 + P310 + 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 | T;N |
| Risk Phrases | R25;R50/53 |
| Safety Phrases | S1/2-S45-S60-S61-S36/37-S26 |
| RIDADR | UN 2783 |
| RTECS | TF6300000 |
| Packaging Group | III |
| Hazard Class | 6.1(b) |
| HS Code | 2933399021 |
Customs
| HS Code | 2933399021 |
|---|---|
| Summary | 2933399021 (r)-2-(4-((5-(trifluoromethyl)pyridin-2-yl)oxy)phenoxy)propanoic acid。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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Synonyms
| DURSBAN |
| Chlorpyrifos |
| 0,0-Diethyl-O-[3,5,6-trichloro-2-pyridyl]phosphorothioate |
| suSCon |
| Empire |
| Brodan |
| Equity |
| Clorpyrifos |
| Eradex |
| O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate |
| O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate |
| Chlorpyrifos,Chlorpyriphos |
| Pyrine |
| chlopyrifos |
| chloropyrifos |
| chlorpyriphos-ethyl |
| MFCD00041800 |
| O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate |
| DOWCO |
| Chlorpyriphos |
| Zidil |
| CUGAT |
| EINECS 220-864-4 |
