APPENDIX II-BX:á Permethrin: Hydrolysis Half-Life 37.7 Days; Aerobic Soil Half-Life 25.1 Days; Anaerobic Soil Half-Life 50.0 Days.

 

This appendix is copied from:

http://www.pesticideinfo.org/Detail_Chemical.jsp?Rec_Id=PC35397

 

Permethrin - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information

 

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Note: See Working with the Information on this Page section below for important notes about this data.

 

Identifying information, including synonyms, ID numbers, use type, chemical classification, a link to a list of all products containing this chemical and a list of the top crops this pesticide is used on in California.

 

Signs and symptoms of poisoning, first aid, and links to treatment information for this chemical.

 

Toxicity to humans, including carcinogenicity, reproductive and developmental toxicity, neurotoxicity, and acute toxicity.

 

Links to world-wide registration status as well as regulatory information for the U.S. and California.

 

Water quality standards and physical properties affecting water contamination potential.

 

Toxicity to aquatic organisms.

List of chemicals in the same family, including breakdown products, salts, esters, isomers, and other derivatives.

 

 

Chemical Identification and Use for Permethrin

 

Basic Identification Information About This Chemical

Chemical Name:

Permethrin

CAS Number:

52645-53-1 (mixed isomers)
54774-45-7 (cis-isomer)
51877-74-8 (trans-isomer)

U.S. EPA PC Code:

109701
598600 (Old
US EPA PC Code.)

CA DPR Chem Code:

2008

Molecular Weight:

391.2932

Molecular Structure:

Use Type:

Insecticide

Chem Class:

Pyrethroid

View Related Chemicals

 

Additional Resources About This Chemical Class and Use Type

See the Global Pesticide Resources page for many additional links.

 

Historical Use of this Chemical

Top five crops and sites for this pesticide in California

Structural Pest Control   Pistachios   Almonds   Head Lettuce   Leaf Lettuce  
View All Crops and Sites

 

Other Names for this Chemical
About Chemical Synonyms

(3-Phenoxyphenyl)methyl cis,trans-(+-)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate , 02008 (CA DPR Chem Code) , 109701 (US EPA PC Code) , 2008 (CA DPR Chem Code) , 3-Phenoxybenzyl (+-)cis and trans*-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate *(max cis 40% min trans 60%) , 3-Phenoxybenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate , 3-Phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate , 3-Phenoxyphenylmethyl-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate (mixture of 40% cis and 60% trans isomers) , 51877-74-8 (CAS Number) , 51877748 (CAS Number) , 52645-53-1 (CAS Number) , 52645531 , 52645531 (CAS Number) , 54774-45-7 (CAS Number) , 54774457 (CAS Number) , 598600 (Old US EPA PC Code) , 598600 (US EPA PC Code) , AI 3-29158 , AI-29158 , Ambush , Anomethrin N , Antiborer 3768 , Atroban , BW 21-Z , Chinetrin , Coopex , Corsair , Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester (9CI) , Cyclopropanecarboxylic acid, 3-(2,2-dichlorovinyl)-2,2-dimethyl-, 3-phenoxybenzyl ester, (+-)-, (cis,trans)- , Diffusil H , Ecsumin , Ectiban , Efmethrin , Eksmin , Exmin , FMC 33297 , FMC 41655 , Indothrin , Ipitox , Kafil , Kavil , Kestrel , m-Phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate , Matadan , MP 79 , NDRC 143 , NIA-33297 , NRDC 143 , Outflank , Outflank-Stockade , Perigen , Perigen W , Permanone 10 , Permanone 40 , Permasect , Permethrin , Permethrin, mixed cis,trans , Permethrin, mixed cis,trans (ANSI) , permethrine , Permetrin , Permetrina , Perthrine , Pounce , PP 557 , Pramex , R-86557 , S-3151 , SBP 1513TEC , SBP-1513 , Spartan , Stomoxin , Talcord , Use code no. 109701 , WL 43479

 

Products Containing This Chemical

Current and historic U.S. registered products

View U.S. Products All Products (1388 Total) Currently Registered Products (937 Total)

 

 

Signs and Symptoms of Permethrin Poisoning

 

NOTE! There may be other diseases and chemicals that have similar symptoms.

If you have a poisoning emergency in the United States call 1-800-222-1222.
If the victim has collapsed or is unconscious, call 911.

 

Permethrin is a Pyrethroid compound.

Report a Poisoning

 

Symptoms of Poisoning with Pyrethroid Compounds

Find Products Containing this 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 severe cases: fluid in the lungs and muscle twitching may develop. Seizures may occur and are more common with more toxic cyano-pyrethroids.

Source for Group Symptoms: Recognition and Management of Pesticide Poisoning, 5th edition, U.S. EPA, Chapter 8.

Treatment for Pyrethroid Poisoning

See: Recognition and Management of Pesticide Poisoning, 5th edition, U.S. EPA, Chapter 8, page 88.

 

 

Symptoms of Permethrin Exposure from the International Chemical Safety Cards (ICSC)

Report a Poisoning

View full ICSC Cards: English   Espa˝ol   Franšaise   Chinese   Dutch   Finnish   German   Hungarian   Japanese   Swahili   Thai   Urdu  

NOTE! PREVENT DISPERSION OF DUST!

 

Route of Exposure

Symptoms

First Aid

Inhalation

Cough.

Fresh air rest.

Skin

Redness. Burning sensation.

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

Burning sensation. Diarrhoea. Vomiting.

Rinse mouth. Refer for medical attention.

Notes for ICSC Information

Carrier solvents used in commercial formulations may change physical and toxicological properties. Ambush Eksmin Talcord are trade names. Also consult publication Health and Safety Guide No. 33 Permethrin and Environmental Health Criteria No. 94 Permethrin of IPCS.

 

 

 

Toxicity Information for Permethrin

 

  Note: Information for many chemicals is incomplete and may not be fully representative of effects on humans. Why?

 

Summary Toxicity Information

PAN Bad Actor
Chemical
1

Acute
Toxicity
2

Carcinogen

Cholinesterase
Inhibitor

Ground
Water Contaminant

Developmental or
Reproductive Toxin

Endocrine
Disruptor

Not Listed

Moderate

Possible

No

Suspected

 

 

Indicates high toxicity in the given toxicological category.

Indicates no available weight-of-the-evidence summary assessment. For additional information on toxicity from scientific journals or registration documents, see the "Additional Resources for Toxicity " section of the chemical detail page.

1. PAN Bad Actors are chemicals that are one or more of the following: highly acutely toxic, cholinesterase inhibitor, known/probable carcinogen, known groundwater pollutant or known reproductive or developmental toxicant. NOTE! Because there are no authoritative lists of Endocrine Disrupting (ED) chemicals, EDs are not yet considered PAN Bad Actor chemicals.

2. The acute toxicity reported on this page is of the pure chemical ingredient only and may not reflect the acute toxicity of individual pesticide products. To view acute toxicity of individual products, click on 'View Products' link in the 'Chemical Identification' section above.

 

 

Additional Resources about the Toxicity of this Chemical

See the Global Pesticide Resources page for many additional links.

 

 

Detailed Toxicity Information

 

 

Acute Toxicity 2

 

 

WHO Acute Hazard
TRI Acute Hazard
Material Safety Data Sheets
Acute rating from U.S. EPA product label
U.S. NTP Acute Toxicity Studies
      View Studies
Cholinesterase Inhibitor

II, Moderately Hazardous
Not Listed
Not Available
Slightly Toxic
No NTP Studies

No

 

2. The acute toxicity reported on this page is of the pure chemical ingredient only and may not reflect the acute toxicity of individual pesticide products. To view acute toxicity of individual products, click on 'View Products' link in the 'Chemical Identification' section above.

 

Cancer Information

IARC Carcinogens
U.S. NTP Carcinogens
California Prop 65 Known Carcinogens
U.S. EPA Carcinogens
TRI Carcinogen

3, Unclassifiable
Not Listed
Not Listed
Suggestive
Not Listed

 

 

Endocrine Disruption

Illinois EPA list
Keith list
Colborn list
Benbrook list
EU list

Suspected
Not Listed
Yes
Yes

 

 

Reproductive and Developmental Toxicity

CA Prop 65 Developmental Toxin
U.S. TRI Developmental Toxin
CA Prop 65 Female Reproductive Toxin
CA Prop 65 Male Reproductive Toxin
U.S. TRI Reproductive Toxin

Not Listed
Not Listed
Not Listed
Not Listed
Not Listed

 

 

Chemicals of Special Concern

PAN Bad Actors
PAN Dirty Dozen list

Not Listed
Not Listed

 

 

 

Water Pollution Potential and Criteria for Permethrin

 

Water Pollution Potential

 

 

PAN Ground Water Contaminant Rating

Insufficient Data

 

 

 

 

 

 

Physical Property Data Related to Water Contamination Potential

Water Solubility (Avg, mg/L)
Adsorption Coefficient (Koc)
Hydrolysis Half-life (Avg, Days)
Aerobic Soil Half-life (Avg, Days)
Anaerobic Soil Half-life (Avg, Days)

0.07
231,153
37.7
25.1
50.0

 

 

 

 

Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.

 

 

Regulatory Information for Permethrin

 

International Regulatory Status

 

 

Worldwide Registration

Click on link at right to view registration information for different countries -->

Worldwide Registration for:
Permethrin

Number of countries where this chemical is:
     Banned, Restricted or Cancelled: 0
     Not legal for import: 0

 

 

UNEP Persistent Organic Pollutant (POP)
UNEP Prior Informed Consent Chemical (PIC)
WHO Obsolete Pesticide

Not Listed
Not Listed
Not Listed

 

 

U.S. and California Regulatory Status

U.S. EPA Registered
U.S. EPA Hazardous Air Pollutant
U.S. EPA Minimum Risk Pesticide (25b list)

CA Registered
CA Groundwater Contaminant
CA Toxic Air Contaminant

Yes
Not Listed
No

Yes
Not Listed
Candidate

 

 

Maximum Tolerance and Residue Levels

Codex Alimentarius
   (UN FAO Maximum Residue Limits)
U.S. Maximum Tolerance Levels
European Union Maximum Residue Levels

Go to web site

Go to web site

Go to web site

 

 

Ecotoxicity for Permethrin

 

Note! Information for many chemicals is incomplete and may not be fully representative of effects on the environment. Why? Click on underlined terms for definitions and additional information.

 

Aquatic Ecotoxicity

 

All Toxic Effects for Organism Group

Organism Group

Effects Noted

Amphibians

Behavior, Development, Growth, Mortality

Annelida

Mortality

AquaticPlants

Population

Crustaceans

Accumulation, Growth, Mortality, Population

Crustaceans

Mortality

Fish

Accumulation, Behavior, Biochemistry, Cell(s), Enzyme(s), Feeding Behavior, Growth, Histology, Morphology, Mortality, Physiology, Population

Fish

Mortality

Insects

Accumulation, Behavior, Development, Enzyme(s), Intoxication, Mortality, Population

Molluscs

Accumulation, Enzyme(s), Feeding Behavior, Growth, Intoxication, Mortality

NematodesandFlatworms

Mortality, Population

Phytoplankton

Accumulation, Biochemistry, Ecosystem Process, Growth, Mortality, Physiology, Population, Reproduction

Zooplankton

Accumulation, Behavior, Intoxication, Mortality, Population, Reproduction

View All Aquatic Ecotoxicity Studies and References

 

 

Summary of Acute Toxicity for Organism Group

Organism Group

Average Acute Toxicity

Acute Toxicity Range

Amphibians

Slightly Toxic

Slight to Moderate Toxicity

Annelida

Slightly Toxic

Slight Toxicity

Crustaceans

Very Highly Toxic

Very Highly Toxic

Fish

Highly Toxic

Moderate to Very High Toxicity

Insects

Moderately Toxic

Slight to Very High Toxicity

Molluscs

Slightly Toxic

Not Acutely Toxic to High Toxicity

NematodesandFlatworms

Slightly Toxic

Slight Toxicity

Phytoplankton

Slightly Toxic

Slight Toxicity

Zooplankton

Moderately Toxic

Slight to Very High Toxicity

View All Acute Summaries

 

 

Terrestrial Ecotoxicity

We are seeking funding to incorporate terrestrial ecotoxicity data analogous to the aquatic ecotoxicity data in the space above. Watch this space!

 

Related Chemicals for Permethrin

 

CAS Number

Relation

Reason

Chemical Name

Chem Detail

Registration

Symptoms

California Use

Chem Use Type

U.S. EPA Reg

PAN Bad Actor

52645-53-1, 54774-45-7, 51877-74-8

Parent

P

Permethrin

View

View

View

View

Insecticide

Yes

Not Listed

52341-33-0

Related

6

(+-)-cis-Permethrin

View

View

View

View

Insecticide

No

Not Listed

3739-38-6

Related

5a

3-phenoxybenzoic acid

View

View

View

View

Breakdown product

No

Not Listed

 

Related

5a

cis-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid

View

View

View

View

Breakdown product

No

Not Listed

 

Related

8

Permethrin, other related

View

View

View

View

Insecticide

Yes

Not Listed

 

Related

5a

trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid

View

View

View

View

Breakdown product

No

Not Listed

 

 

 

 

 

 

 

 

 

 

 

 

 

Working with the Information on this Page

Click on underlined terms for definitions or go to the Pesticide Tutorial overview page.

Any underlined term with a book icon has additional information.

* Data marked with an asterisk indicates that this chemical is not explicitly listed on the corresponding list. Instead, it belongs to a group of chemicals that IS designated on the list. For example, if an agency assigns a classification of reproductive toxicant to "mercury compounds", that classification is applied to all mercury compounds in the PAN Pesticide database, which are then marked with an asterisk.

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Citation: S. Kegley, B. Hill, S. Orme, PAN Pesticide Database, Pesticide Action Network, North America (San Francisco, CA. 2007), http:www.pesticideinfo.org.
ę 2000-2007 Pesticide Action Network, North America. All rights reserved.