PAN Pesticides Database - Chemicals

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

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

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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.
Link to information on 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 Amitrole

Basic Identification Information About This Chemical
Chemical Name: Amitrole
CAS Number: 61-82-5
U.S. EPA PC Code: 004401
CA DPR Chem Code: 20
Molecular Weight: 84.08
Use Type: Herbicide
Chem Class: Unclassified
View Related Chemicals
 
Additional Resources About This Chemical Class and Use Type
Historical Use of this Chemical
Top five crops and sites for this pesticide in California
Right of Way  
View All Crops and Sites
 
Other Names for this Chemical
About Chemical Synonyms
(US EPA PC Code ) , 004401 (US EPA PC Code Text ) , 1H-1,2,4-Triazol-3-amine , 20 (CA DPR Chem Code) ) , 3-Amino-1,2,4-triazole , 3-amino-1H-1,2,4-triazole , 3-Amino-s-triazole , 3-Aminotriazole , 61-82-5 (CAS number) , 61825 , 61825 (CAS number without hyphens) , Amerol , Amino Triazole Weedkiller 90 , Aminotriazole , Amitrol , Amitrol T, component of (with NH4SCN) , Amitrol T, component of (with NH4SCN) , Amitrole , Amitrole (ANSI) , AMITROLE (CA DPR Chem Code Text ) , Amizol , AT liquid , AT-90 , ATA , Azaplant , Azaplant Kombi , Azolan , Azole , Campaprim A 1544 , Cytrol , Diurol , Diurol 5030, component of (with 035505) , Diurol 5030, component of (with 035505) , Domatol 88 , Elmasil , Emisol 50 , ENT-25445 , Farmco Amizine-AA, component of (with 080807) , Farmco Amizine-AA, component of (with 080807) , Fenamine, component of (with 080803 and 082601) , Fenamine, component of (with 080803 and 082601) , Herbizole , Mizol, component of (with NH4SCN) , Mizol, component of (with NH4SCN) , Simazol, component of (with 080807) , Simazol, component of (with 080807) , Triazole , Weedazol , Weedazol TL, component of (with NH4SCN) , Weedazol TL, component of (with NH4SCN)
 
Products Containing This Chemical
Current and historic U.S. registered products
View U.S. Products All Products Currently Registered Products
 

Signs and Symptoms of Amitrole 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.

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

Report a Poisoning

View full ICSC Cards: English   Español   Française   Chinese   Dutch   Finnish   German   Hungarian   Japanese   Swahili   Thai   Urdu  
NOTE! STRICT HYGIENE!

Route of Exposure

Symptoms

First Aid

Inhalation Refer for medical attention.
Skin Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes First rinse with plenty of water for several minutes (remove contact lenses if easily possible) then take to a doctor.
Ingestion Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.
Notes for ICSC Information
Temperature of decomposition unknown in literature. Depending on the degree of exposure periodic medical examination is indicated.
Symptoms of Amitrole Exposure from Other Sources

- Minimal Dermal Irritation.

Source for Symptoms: Hazardous Substances Data Bank, National Library of Medicine, Bethesda, MD. August 2003. (HSDB)

First Aid for Amitrole Poisoning

For Inhalation
- Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with inhaled beta2 agonist and oral or parenteral corticosteroids.
For Skin
- Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician may need to examine the area if irritation or pain persists.
For Eyes
- Irrigate exposed eyes with copious amounts of room temperature water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.
For Ingestion
- Ipecac-induced emesis is not recommended because there is so little information about the effects of overdose in humans.
Get medical aid.

Source for First Aid: Hazardous Substances Data Bank, National Library of Medicine, Bethesda, MD. August 2003. (ICSC)

 
 

Toxicity Information for Amitrole

  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
Slight
No Potential
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.

Detailed Toxicity Information

Acute Toxicity 2
Amitrole
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
U, Unlikely to be Hazardous
Not Listed
Not Available
Slightly Toxic
Not Acutely Toxic to Slightly Toxic

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
Amitrole
IARC Carcinogens
U.S. NTP Carcinogens
California Prop 65 Known Carcinogens
U.S. EPA Carcinogens
TRI Carcinogen
3, Unclassifiable
Reasonably Anticipated
Yes
Likely (high doses), Not likely (low doses)
Yes
 
Endocrine Disruption
Amitrole
Illinois EPA list
Keith list
Colborn list
Benbrook list
Danish Inert list
EU list
Probable
Yes
Yes
Not Listed
Not listed
Yes
 
Reproductive and Developmental Toxicity
Amitrole
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
Amitrole
PAN Bad Actors
PAN Dirty Dozen list
Yes
Not Listed
 

Water Pollution Potential and Criteria for Amitrole

Water Pollution Potential

PAN Ground Water Contaminant Rating Potential
 
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)
370,000
121.0
34.0
4.00
186.0
 
 

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 Amitrole

International Regulatory Status

 
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

No
Not Listed
Not Listed
 

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 Amitrole

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
AquaticPlants Development, Mortality, Physiology, Population, Reproduction
Crustaceans Mortality
Echinoderms Development
Fish Development, Growth, Mortality
Insects Development, Intoxication, Mortality
Molluscs Development, Growth, Intoxication, Mortality
Phytoplankton Accumulation, Growth, Mortality, Physiology, Population, Reproduction
Zooplankton Histology, Intoxication, Mortality
View All Aquatic Ecotoxicity Studies and References
 
Summary of Acute Toxicity for Organism Group
Organism Group Average Acute Toxicity Acute Toxicity Range
Crustaceans Slightly Toxic Not Acutely Toxic to Slightly Toxic
Fish Not Acutely Toxic Not Acutely Toxic
Molluscs Not Acutely Toxic Not Acutely Toxic
Zooplankton Slightly Toxic Not Acutely Toxic to Moderate Toxicity
View All Acute Summaries
 

Terrestrial Ecotoxicity

Summary of Acute Toxicity for Organism Group
Organism Group Average Acute Toxicity Acute Toxicity Range
HoneybeesNot AcutelyT ToxicNot AcutelyT to Slightly Toxic
Note: Population-level effects on honeybees may occur even if a pesticide has low acute toxicity. For example, certain pesticides interfere with honeybee reproduction, ability to navigate, or temperature regulation, any of which can have an effect on long-term survival of honeybee colonies. The neonicotinoids, pyrethroids and keto-enol pesticides are some types of pesticides causing one or more of these effects.
Honeybee Chronic Toxicity

Sorry, no honeybee chronic toxicity data available for this chemical. Try related chemicals.

Related Chemicals for Amitrole

CAS Number Relation Reason Chemical Name Chem Detail Symptoms California Use Chem Use Type U.S. EPA Reg PAN Bad Actor
61-82-5 Parent P Amitrole View View View Herbicide Yes Yes
 
Working with the Information on this Page

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* 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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