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Acetaminophen - 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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Chemical ID
 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.
Poisoning Symptoms
 Signs and symptoms of poisoning, first aid, and links to treatment information for this chemical.
Toxicity
 Link to information on toxicity to humans, including carcinogenicity, reproductive and developmental toxicity, neurotoxicity, and acute toxicity.
Regulatory
 Links to world-wide registration status as well as regulatory information for the U.S. and California.
Water
 Water quality standards and physical properties affecting water contamination potential.
Ecotoxicity
 Toxicity to aquatic organisms.
Related Chems
 List of chemicals in the same family, including breakdown products, salts, esters, isomers, and other derivatives.
 

Chemical Identification and Use for Acetaminophen
Basic Identification Information About This Chemical
Chemical Name: Acetaminophen
CAS Number: 103-90-2
U.S. EPA PC Code: 109509 (Same as US EPA PC Code 606318)
606318 (Same as US EPA PC Code 109509)
CA DPR Chem Code:
Molecular Weight: 151.16
Use Type:
Chem Class:
View Related Chemicals
 
Additional Resources About This Chemical Class and Use Type

See the Global Pesticide Resources page for many additional links.
 
Other Names for this Chemical
About Chemical Synonyms
103-90-2 (CAS number) , 103902 , 103902 (CAS number without hyphens) , 109509 (US EPA PC Code Text) , 109509 (US EPA PC Code) , 4- Acetamidophenol , 4-Acetamidophenol , 606318 (US EPA PC Code Text) , 606318 (US EPA PC Code) , Acetaminophen , Acetaminophen , BF23 (Metabolite of buprofezin) , N-(4-hydroxyphenyl)acetamide , PARACETAMOL , Paracetamol Acetaminophen
 
Products Containing This Chemical
Current and historic U.S. registered products
View U.S. Products All Products Currently Registered Products
 

Signs and Symptoms of Acetaminophen 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 Acetaminophen 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! PREVENT DISPERSION OF DUST!

Route of Exposure

Symptoms

First Aid
Inhalation See Notes. Fresh air rest.
Skin 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 Abdominal pain. Diarrhoea. Drowsiness. Nausea. Unconsciousness. Vomiting. Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Give plenty of water to drink. Refer for medical attention.
Notes for ICSC Information
Temperature of decomposition unknown in literature. Health effects of exposure by inhalation to the substance have not been investigated. Use of alcoholic beverages enhances the harmful effect. The symptoms of acute intoxications do not become manifest until some 24-48 h to 3-4 days after ingestion of toxic doses. APAP Panadol Tempra Tylenol are trade names.
 

Toxicity Information for Acetaminophen

  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 Unclassifiable No
 
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
 Acetaminophen
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		 Not Listed
Not Listed
Not Available
No Consensus Value
Slightly to Moderately 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
 Acetaminophen
IARC Carcinogens
U.S. NTP Carcinogens
California Prop 65 Known Carcinogens
U.S. EPA Carcinogens
TRI Carcinogen		 3, Unclassifiable
Not Listed
Not Listed
Not Listed
Not Listed
 
Endocrine Disruption
 Acetaminophen
Illinois EPA list
Keith list
Colborn list
Benbrook list
Danish Inert list
EU list		 Not Listed
Not Listed
Not Listed
Not Listed
Not Listed
Not Listed
 
Reproductive and Developmental Toxicity
 Acetaminophen
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
 Acetaminophen
PAN Bad Actors
PAN Dirty Dozen list		 Not Listed
Not Listed
 

Water Pollution Potential and Criteria for Acetaminophen

Water Pollution Potential

PAN Ground Water Contaminant Rating Insufficient Data
 

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 Acetaminophen

International Regulatory Status
Registration in Selected Countries Registration in Selected Countries:
Acetaminophen
 
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 Acetaminophen

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
Crustaceans Mortality
Fish Biochemistry, Mortality
Zooplankton 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 Slight Toxicity
Fish Not Acutely Toxic Not Acutely Toxic
Zooplankton Not Acutely Toxic Not Acutely Toxic
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 Acetaminophen
CAS Number Relation Reason Chemical Name Chem Detail Registration Symptoms California Use Chem Use Type U.S. EPA Reg PAN Bad Actor
103-90-2 Parent P Acetaminophen View View View View Yes 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: Kegley, S.E., Hill, B.R., Orme S., Choi A.H., PAN Pesticide Database, Pesticide Action Network, North America (San Francisco, CA, 2010), http:www.pesticideinfo.org.
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