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Pesticide Info

Cypermethrin

PAN created the term PAN Bad Actor for pesticides that are carcinogenic, reproductive or developmental toxicants, cholinesterase inhibitors, groundwater contaminants and/or have high acute toxicity. Read More

PAN International maintains a list of Highly Hazardous Pesticides (HHPs) that are classified by recognized authorities as highly hazardous to human health and/or the environment. Read More

Summary

Chemical name
Cypermethrin
EPA PC code
109704
CAS number
52315-07-8, 66841-24-5
CA DPR chem code
2171
Chemical class
Pyrethroid
Molecular weight
416.3
Use type
Insecticide
EPA Registered
Yes
PAN Bad Actor
PAN created the term PAN Bad Actor for pesticides that are carcinogenic, reproductive or developmental toxicants, cholinesterase inhibitors, groundwater contaminants and/or have high acute toxicity. Read more
Yes
Highly Hazardous Pesticide
PAN International maintains a list of Highly Hazardous Pesticides (HHPs) that are classified by recognized authorities as highly hazardous to human health and/or the environment. Read more
Yes
Drift Prone (VP)
Very low

Toxicity of Cypermethrin

Acute Toxicity
Acute toxicity refers to the immediate effects (0-7 days) of exposure to a pesticide. Highly acutely toxic pesticides can be lethal at very low doses. Read more
Moderate
Endocrine Disruptor
Insufficiently Studied
Cholinesterase Inhibitor
No
CA Groundwater Contaminant
Insufficient data
Carcinogen
Possible
Bee Toxicant
EPA maintains a list of pesticides considered highly toxic to bees, and these pesticides are also included in the PAN HHP List. Read more
Yes
Reproductive and Developmental Toxicant
Some pesticides cause reproductive and developmental harm, which can include birth defects, infertility, sterility and impairment of normal growth and development. Read more
Insufficiently Studied

Other Names for Cypermethrin

02171 (CA DPR Chem Code Text )
109704 [US EPA PC Code, Numeric ]
109704 [US EPA PC Code, Text ]
2171 (CA DPR Chem Code) )
52315-07-8 (CAS number)
52315078 (CAS number without hyphens)
597 (PDP Code)
66841-24-5 (CAS number)

Toxicity of Cypermethrin

Acute Toxicity
Acute toxicity refers to the immediate effects (0-7 days) of exposure to a pesticide. Highly acutely toxic pesticides can be lethal at very low doses. Read more
Moderate
Reproductive and Developmental Toxicant
Some pesticides cause reproductive and developmental harm, which can include birth defects, infertility, sterility and impairment of normal growth and development. Read more
Insufficiently Studied
Cholinesterase Inhibitor
Some pesticides inhibit the enzyme cholinesterase, which is essential for transmission of nerve impulses. Read more
No
Endocrine Disruption
Many pesticides can interfere with proper functioning of estrogen, androgen and thyroid hormones in humans and animals. Read more
Insufficiently Studied
Carcinogen
Several organizations evaluate and rank chemicals for their cancer-causing potential. PAN's summary listing reflects the most toxic ranking assigned. Read more
Possible

Reproductive & Developmental Toxicity

California Prop 65 Developmental Toxicant
Not Listed
CA Prop 65 Male Reproductive Toxicant
Not Listed
U.S. TRI Developmental Toxicant
Not Listed
U.S. TRI Reproductive Toxicant
Not Listed
CA Prop 65 Female Reproductive Toxicant
Not Listed

Cancer Information

CA Prop 65 Known Carcinogens
Not Listed
TRI Carcinogen
Not Listed
IARC Carcinogens
Not Listed
Global Harmonized System
Not Listed
U.S. NTP Carcinogens
Not Listed
Mutagenic
Not Listed

Endocrine Disruption

EU ED Rating
Insufficiently Studied

Cypermethrin POISONING: SIGNS & SYMPTOMS

Summary signs & symptoms for chemical:
  • Irritation of skin and eyes.
  • Irritability to sound or touch, abnormal facial sensation, sensation of prickling, tingling or creeping on skin, numbness.
  • Headache, dizziness, nausea, vomiting, diarrhea, Excessive salivation, fatigue.
  • in Sev
Summary signs & symptoms group:
Treatment:

Symptoms of Exposure from the International Chemical Safety Card:

Route of Exposure Symptoms First Aid
Inhalation Burning sensation. Cough. Dizziness. Headache. Nausea. Shortness of breath. Fresh air rest. Refer for medical attention.
Skin Redness. Burning sensation. Numbness. Tingling. Itching. Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain. First rinse with plenty of water for several minutes (remove contact lenses if easily possible) then take to a doctor.
Ingestion Abdominal pain. Convulsions. Vomiting. (Further see Inhalation). Rinse mouth. Refer for medical attention.
Notes for ICSC Information
Carrier solvents used in commercial formulations may change physical and toxicological properties. Ripcord Barricade Cymbush Agrothrin are trade names. Also consult publication Health and Safety Guide No. 22 Cypermethrin and Environmental Health Criteria No. 82 Cypermethrin of IPCS.

Environmental Toxicity

For in-depth information on Ecotoxicity by Chemical, Species, and Effect, we encourage users to visit EPA's ECOTOX site which is updated regularly. We provide detailed, step-by-step search guidance on our Ecotoxicity Resources page, so users can more easily access and use EPA's site.

Water Contamination Potential

CA Groundwater Contaminant
Insufficient data
Aerobic Soil Half-life (Avg, Days)
Not Listed
Adsorption Coefficient (Koc)
Not Listed
Anaerobic Soil Half-life (Avg, Days)
Not Listed
Hydrolysis Half-life (Avg, Days)
Not Listed
Water solubility (mg/L)
Not Listed

U.S. National Drinking Water Standards

Lifetime Exposure Health Advisory Level (mg/L)
Not Listed
Maximum Contaminant Level Goal (mg/L)
Not Listed
Reference Dose (g/kg/day)
Not Listed
One Day Exposure Health Advisory Level (mg/L)
Not Listed
U.S. Drinking Water Equivalent Level (mg/L)
Not Listed
Ten Day Exposure Health Advisory Level (mg/L)
Not Listed
Concentration With Lifetime Cancer Risk (mg/L At 10-4)
Not Listed

PRODUCTS CONTAINING Cypermethrin

No products found using this chemical.

Usage Map

US Pesticide Usage Map for Cypermethrin

Pesticide Usage Data

This map shows estimated agricultural usage of Cypermethrin across the United States.

View USGS Data

Data source: U.S. Geological Survey National Water-Quality Assessment Project

PRIMARY USE IN CALIFORNIA (26 Results)

Crop or Site Gross Pounds Application Rate (lbs a.i./acre) Acres Planted Acres Treated Application Count
All sites 29,475 2.05 153,963 21,475 5658
STRUCTURAL PEST CONTROL 25,160 0 0 0 4933
ALMOND 1,125 14.37 78.3 78.3 1
GRAPE, WINE 981 11.41 527 86 2
ONION, DRY 776 0.09 1,465 8,251 26
BROCCOLI 577 0.09 83,828 6,294 278
CAULIFLOWER 252.5 0.09 42,315 2,842 154
GARLIC 183.9 0.1 315 1,890 4

Related Chemicals
PAN groups chemicals in our pesticide database based on their relationship to a parent compound. Read More

Chemical Name CAS Number Chem Use Type U.S. EPA Reg PAN Bad Actor
PAN created the term PAN Bad Actor for pesticides that are carcinogenic, reproductive or developmental toxicants, cholinesterase inhibitors, groundwater contaminants and/or have high acute toxicity. Read more
Cypermethrin, alpha 67375-30-8 Insecticide Yes Not Listed
Cypermethrin, beta 65731-84-2 Insecticide Not Listed Not Listed
Cypermethrin, theta 71697-59-1 Insecticide Not Listed Not Listed
Cypermethrin, zeta 52315-07-8 Insecticide Yes Yes

International regulatory status

UNEP Persistent Organic Pollutant (POP)
A “POP” pesticide has been targeted for global phaseout under the Stockholm Convention for Persistent Organic Pollutants. Read more
Not Listed
UNEP Prior Informed Consent Chemical (PIC)
Not Listed
PAN International Ban List
PAN maintains a list of pesticides banned around the world, and the data are now available in an interactive map. Read more
Yes
EU Registered
Yes

Us regulatory status

U.S. EPA Registered
Yes
U.S. EPA Minimum Risk Pesticide (25b list)
No
U.S. EPA Hazardous Air Pollutant
Not Listed

California regulatory status

CA Registered
Yes
CA Toxic Air Contaminant
Not Listed
CA Groundwater Contaminant
Insufficient data

Allowable residue levels

Codex Alimentarius(UN FAO Maximum Residue Levels
European Union Maximum Residue level
U.S Maximum tolerance level