PlainEnviro

EPA TRI Chemical

Toluene-2,6-Diisocyanate

CAS Number: 91-08-7

Total releases
21.4K lbs
Number of facilities
46
Carcinogen
Yes
PBT substance
No
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Carcinogen

According to the EPA Toxics Release Inventory, Toluene-2,6-Diisocyanate (CAS 91-08-7) is disclosed by 46 Form R facilities totaling 21.4K lbs of reported releases. The TRI extract marks this chemical with a carcinogen classification flag. TRI pounds are self-reported disclosure totals, not a measured public-health risk score.

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Toluene-2,6-Diisocyanate (CAS 91-08-7) 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.

The carcinogen flag above reflects an assessment from EPA, the International Agency for Research on Cancer, or the National Toxicology Program, not a TRI-specific determination. The largest individual disclosure in the current dataset comes from EQ DETROIT INC in MI at 10.4K 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.

MIXED pathway mix

Toluene-2,6-Diisocyanate: how the 21.4K lbs splits

21.4K lbs across all reported pathways

  • Off-site Transfers12.8K lbs59.9%
  • Air Releases7.1K lbs33.4%
  • Land Disposal1.4K lbs6.7%
  • Water Discharges5 lbs<0.1%

Toluene-2,6-Diisocyanate's 21.4K lbs Form-R total is MIXED, with off-site transfers making up 59.9% of the bar. Next segment: air releases at 33.4%.

Trend & Where It's Reported

Reported Release Trend

Between 2019 and 2023, cumulative annual Toluene-2,6-Diisocyanate releases across all reporting facilities increased by 230% (1.2K lbs → 3.8K lbs). Year-to-year swings reflect facility openings/closures and reporting changes as much as underlying activity.

Geographic Concentration

Reporting for Toluene-2,6-Diisocyanate is concentrated: Michigan accounts for 49.0% of the reported total (5 facilities). Next: Ohio.

  • Michigan 10.5K lbs
  • Ohio 3.0K lbs
  • Kentucky 2.6K lbs
  • Louisiana 1.6K lbs
  • Alabama 1.5K lbs
Industry Sources

Reporting for Toluene-2,6-Diisocyanate is concentrated by industry: Other facilities account for 48.9% of the reported total (1 facility). Next: Plastics and Rubber.

  • Other 10.4K lbs
  • Plastics and Rubber 7.9K lbs
  • Chemicals 2.4K lbs
  • Transportation Equipment 633 lbs
  • Chemical Wholesalers 41 lbs

Which facilities release the most of this chemical?

Facilities with the largest reported releases of Toluene-2,6-Diisocyanate. Up to 50 shown.

# Facility Release (lbs)
1 Eq Detroit Inc
10.4K lbs
2 Lear - Hebron Plant
3.0K lbs
3 Carpenter Co.
2.6K lbs
4 Syngenta Crop Protection LLC Saint Gabriel Facility
1.6K lbs
5 Fehrer Automotive N.a. LLC
1.5K lbs
6 Sika Mbcc US LLC
640 lbs
7 Woodbridge Corp
419 lbs
8 Tri-Con Industries Ltd
330 lbs
9 Toyota Boshoku Mississippi LLC
264 lbs
10 Woodbridge Inoac Technical Products LLC
246 lbs
11 Macdermid Printing Solutions
52 lbs
12 Delta Baytown
41 lbs
13 Toyota Boshoku Indiana LLC
38 lbs
14 Covestro LLC
28 lbs
15 Armaly Sponge Co.
24 lbs
16 Beynon Sports Surfaces
20 lbs
17 Carpenter Co
18 lbs
18 3M Co - Springfield
17 lbs
19 Healthcare Sc LLC
16 lbs
20 Carlisle Polyurethane Systems
15 lbs
21 Premold Corp
9 lbs
22 Stockmeier Urethanes USA Inc
8 lbs
23 Chemline Inc
6 lbs
24 Lear Corp Farwell Plant
5 lbs
25 Anderson Development Co
5 lbs
26 Ppg Industries Ohio Inc Circleville Oh
4 lbs
27 Clean Harbors el Dorado LLC
1 lbs
28 Ross Incineration Services Inc
0 lbs
29 Clean Harbors Deer Park LLC
0 lbs
30 Eco-Services Operations
0 lbs
31 Heritage Thermal Services
0 lbs
32 Arcwood Environmental - Orange LLC
0 lbs
33 Trinternational
0 lbs
34 Urethane Polymers International
0 lbs
35 Third Coast Terminals Pearland
0 lbs
36 Polycoat Products LLC
0 lbs
37 Univar Solutions Geismar Ge
0 lbs
38 Exxonmobil Olathe Grease Plant
0 lbs
39 Brenntag Great Lakes LLC
0 lbs
40 Lymtal International,inc.
0 lbs
41 Tremco Cpg Inc Mameco Div
0 lbs
42 Hyundai Transys Georgia Seating System Llc.
0 lbs
43 Chemence Inc.
0 lbs
44 Kurz Transfer Products. L.P. Huntersville
0 lbs
45 Advanced Polymer Technology
0 lbs
46 Covestro LLC
0 lbs

Frequently Asked Questions

What is Toluene-2,6-Diisocyanate in the EPA TRI? ▼
Toluene-2,6-Diisocyanate (CAS Number: 91-08-7) is a chemical tracked by the EPA Toxic Release Inventory (TRI) program. The TRI extract marks it with a carcinogen classification flag based on EPA/IARC/NTP listings. 46 facilities in the United States report releasing this chemical to the EPA.
How much Toluene-2,6-Diisocyanate is disclosed in U.S. TRI filings? ▼
U.S. facilities have reported a total of 21.4K lbs of Toluene-2,6-Diisocyanate releases to the EPA Toxic Release Inventory across 46 facilities. Release quantities are self-reported estimates covering air, water, land, and off-site transfers. They are disclosure totals, not toxicity-weighted harm scores.
How does EPA TRI classify Toluene-2,6-Diisocyanate? ▼
Toluene-2,6-Diisocyanate carries a carcinogen classification flag in the TRI database (drawn from EPA, IARC, or NTP listings). TRI classification flags document inventory listing status; they are not a site-specific exposure or health diagnosis. For health-effect summaries see EPA IRIS and ATSDR toxicological profiles.
Which facilities disclose the most Toluene-2,6-Diisocyanate? ▼
Eq Detroit Inc in MI reports the largest disclosed release of Toluene-2,6-Diisocyanate in this dataset, at 10.4K lbs. Most reporting facilities for this chemical fall under other. Release data is self-reported annually to the EPA under the TRI program. View the full list of 46 facilities on this page.
What is the CAS number for Toluene-2,6-Diisocyanate? ▼
The CAS (Chemical Abstracts Service) Registry Number for Toluene-2,6-Diisocyanate is 91-08-7. 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
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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

Carcinogen Classification: This chemical is classified as a known or suspected carcinogen by the EPA under the Toxic Release Inventory program. This classification is based on evaluations by agencies including the International Agency for Research on Cancer (IARC), the National Toxicology Program (NTP), and the EPA itself.

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

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.