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Piperonyl Butoxide

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CAS Number: 51-03-6

Piperonyl Butoxide (CAS 51-03-6) is a chemical tracked by the EPA Toxics Release Inventory (TRI) program under Section 313 of the Emergency Planning and Community Right-to-Know Act. The TRI requires industrial facilities above specified threshold quantities to disclose annual manufacturing, processing, and otherwise-used volumes, along with quantities released to air, water, land, and off-site transfers.

Across the United States, 24 facilities have filed TRI Form R disclosures for Piperonyl Butoxide, with a cumulative reported release volume of 71.7K lbs. The chemical is not flagged as a carcinogen in the TRI classification set. The largest individual disclosure in the current dataset comes from CHEMICAL WASTE MANAGEMENT in AL at 47.3K lbs.

TRI volumes are self-reported estimates, not measured stack emissions, and each pound counts equally regardless of chemical toxicity, so total pounds should not be equated with total risk. Inclusion of a chemical or facility in the TRI does not itself establish a health hazard; it documents the public right-to-know record. Consult EPA's IRIS (Integrated Risk Information System) and the Agency for Toxic Substances and Disease Registry for health-effect summaries.

Release Summary

Total Releases
71.7K lbs
Number of Facilities
24
Carcinogen
No
Persistent Bioaccumulative Toxicant
No

Which facilities release the most of this chemical?

Facilities with the largest reported releases of Piperonyl Butoxide. Up to 50 shown.

# Facility Release (lbs)
1 Chemical Waste Management 47.3K lbs
2 Clarke Mosquito Control Products Inc 12.5K lbs
3 Eq Detroit Inc 11.8K lbs
4 Wellmark International (dba Central Life Sciences) 25 lbs
5 Ritepack Inc 20 lbs
6 Veolia Es Technical Solutions LLC Port Arthur Facility 15 lbs
7 Perrigo Ny 10 lbs
8 Cjb Industries Inc Cs Plant 6 lbs
9 Clean Harbors Environmental Services Inc 1 lbs
10 US Army Picatinny Arsenal 1 lbs
11 Sbm Life Science Corp. 1 lbs
12 Cjb Industries Inc Cw Plant 0 lbs
13 Clean Harbors Aragonite LLC 0 lbs
14 Y-Tex Corp 0 lbs
15 Questspecialty Corp 0 lbs
16 Control Solutions Inc. 0 lbs
17 Schirm USA Inc. 0 lbs
18 Chemsico 0 lbs
19 Aerofil Technology Inc 0 lbs
20 McLaughlin Gormley King 0 lbs
21 Chem Tech Ltd 0 lbs
22 Apollo Aerosol Industries LLC 0 lbs
23 Gxo Warehouse Co Inc 0 lbs
24 Santolubes Manufacturing LLC 0 lbs

Frequently Asked Questions

What is Piperonyl Butoxide? ▼
Piperonyl Butoxide (CAS Number: 51-03-6) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. 24 facilities in the United States report releasing this chemical to the EPA.
How much Piperonyl Butoxide is released in the U.S.? ▼
U.S. facilities have reported a total of 71.7K lbs of Piperonyl Butoxide releases to the EPA Toxic Release Inventory across 24 facilities. Release quantities are self-reported estimates. This includes releases to air, water, land, and off-site transfers.
Is Piperonyl Butoxide harmful to health? ▼
Piperonyl Butoxide is not classified as a carcinogen in the EPA TRI database. Health effects depend on exposure levels, duration, and route. For specific health questions, consult a toxicologist or your local health agency.
Which facilities release the most Piperonyl Butoxide? ▼
The largest reported releasers of Piperonyl Butoxide include facilities across multiple states. Release data is self-reported annually to the EPA under the TRI program. View the full list of 24 facilities on this page.
What is the CAS number for Piperonyl Butoxide? ▼
The CAS (Chemical Abstracts Service) Registry Number for Piperonyl Butoxide is 51-03-6. CAS numbers are unique numerical identifiers assigned to every chemical substance described in the open scientific literature. This identifier is used to search scientific databases and regulatory filings.

Related Guides

Understanding TRI Data
How the Toxic Release Inventory works
Biggest Polluters in America
Which facilities release the most toxics
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Health Information

Data comes from the EPA Toxic Release Inventory (TRI) program. Release quantities are self-reported by facilities and may represent estimates. The total shown aggregates reports across all facilities and reporting years.

PlainEnviro presents this data without advocacy framing. The presence of a chemical in the TRI database does not by itself indicate a health risk at current exposure levels. For health-related questions about specific chemical exposures, consult your local health agency or a toxicologist.

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Data sourced from the U.S. Environmental Protection Agency (EPA). See our methodology for details. Retrieved and formatted by PlainEnviro Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Toxic Release Inventory (TRI). Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.