Sulfur
CAS 7704-34-9
U.S. production volumes are classified as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import value, 2024$113M
Top sourceCanada 84%
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.
Where It Comes From
Customs basis: HS 250300, 280200 · exact
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
Source Countries
Country of origin for US imports, from Census customs data (2024).
CA 84%CanadaIN 5%IndiaJP 5%JapanSA 4%Saudi ArabiaCN 1%China
- Italy
- South Korea
- Poland
- Spain
- South Africa
- Mexico
- Netherlands
- United Kingdom
- Germany
- Austria
EPA-registered manufacturers (60)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Cenovus Energy · CA Canada
Chemtrade Logistics · CA Canada
Pdvsa Petroleos S A · VE Venezuela
Rio Tinto Plc · GB United Kingdom
Saudi Arabian Oil · SA Saudi Arabia
Show all 60
Shell Plc · GB United Kingdom
Tessenderlo Group Nv/Sa · BE Belgium
Totalenergies Se · FR France
Advanced Micronutrient Products
Big West Oil
Calumet
Calumet Refining
Cenovus U.S
Chalmette Refining
Chemtrade Holdco Us
Chevron Richmond California Refinery
Chevron Usa
Chs
Cleveland-Cliffs
Countrymark
Crescent Energy
Cvr Energy
Deer Park Refining
Delek Us Holdings
Delta Air Lines
Duke Energy
ExxonMobil
Flint Hills Resources Pine Bend
Hf Sinclair
Hf Sinclair Parco Refining
Hunt Consolidated
J.R. Simplot
Jupiter Sulphur
Kern Energy
Lima Refining
Lyondell Chemical
Marathon Petroleum
Marathon Petroleum Coporation
Martinez Refining
Motiva Enterprises
Par Hawaii Refining
Par Pacific Holdings
Pbf Holding
Pdv Holding
Phillips 66
Placid Refining
Rio Tinto America
Shell
Shell Petroleum
Sinclair Casper Refining
Suncor Energy Usa
Superior Refining
Tessenderlo Kerley
Totalenergies Holdings Usa
Trafigura Trading
United Refining
United States Steel
Vertex Energy- Mobile Refinery
Vibrantz Technologies
Wrb Refining
Domestic parents -- activity not disclosed (11)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Albemarle
BP
Conocophillips
Koch Industries
Macrosource
Show all 11
Martinez Renewables
Nokian Tyres
Poco Graphite
Targa Resources
Toyota Tsusho America
Valero Energy
EPA-registered importers (49)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Barrick Gold · CA Canada
Chemtrade Logistics · CA Canada
Cie Gen Des Ets Mechelin · FR France
Cie Gen Des Ets Michelin · FR France
Eurochem Group Ag · CH Switzerland
Show all 49
Glencore Plc · CH Switzerland
Jfe Steel · JP Japan
Karta Halten Bv · NL Netherlands
Michelin Group · FR France
Ravago S A · LU Luxembourg
Akrochem
Archer Daniels Midland
Barrick Nevada Holding
Barrick North America Holding
Brenntag Lubricants
Cleveland Cliffs Burns Harbor
Cleveland-Cliffs Steel
Continental Tire Holding Us
Domtar
Eurochem North America
Finch Paper
Glencore
Gunvor Usa
Harwick Standard Distribution
Henkel
Itafos Conda
Lanxess
Michelin
Michelin North America
Michelin North American
Mie
Nishikawa Cooper
Nucor
Nutrien Us Top
Oliver Rubber
Pnw Metal Recycling
Pvs Chemical Solutions
Quadra Chemicals
Radius Recycling
Ravago Holdings America
Sovereign Chemical
St Marys Cement
Steel Dynamics
Sumitomo Rubber Usa
The Goodyear Tire & Rubber
The Mosaic
Tms International
Toyo Tire North America Manufacturing
Tread Technology A Div. Of Michelin N.A.
Why It Matters
Sectors
AgricultureFoodEnergyWaterElectronicsTransportationConstructionMetals & MiningPlastics & RubberTextilesConsumer ProductsPaper & PrintingCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 26 sectors as 24 functional roles.
- •Fuel agents in Petroleum Refineries (100%)Processing as a reactant
- •Intermediate in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Paper Manufacturing (100%)Processing as a reactant
- •Deodorizer in Utilities (60%)Processing as a reactant
- •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (40%)Processing as a reactant
- •Filler in Asphalt Paving, Roofing, and Coating Materials Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Fuel in All Other Chemical Product and Preparation Manufacturing (100%)Use—non-incorporative activities
- •Polymerization promoter in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (85%)Processing—repackaging
- •Leaching agent in Mining (except Oil and Gas) and support activities (15%)Processing as a reactant
- •Intermediate in All Other Basic Inorganic Chemical Manufacturing (30%)Processing as a reactant
- •Soil amendments (fertilizers) in Wholesale and Retail TradeProcessing—repackaging
- •Intermediate in Plastics Material and Resin Manufacturing (3%)Processing as a reactant
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (4%)Processing as a reactant
- •Intermediate in Food, beverage, and tobacco product manufacturing (13%)Processing as a reactant
- •Intermediate in Industrial Gas Manufacturing (3%)Processing as a reactant
- •Intermediate in Textiles, apparel, and leather manufacturing (44%)Processing as a reactant
- •Intermediate in Mining (except Oil and Gas) and support activities (12%)Processing as a reactant
- •Alloys in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
- •Intermediate in Wholesale and Retail Trade (100%)Processing—repackaging
- •Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Fabricated Metal Product Manufacturing (50%)Processing—incorporation into article
- •Solvent in Transportation Equipment Manufacturing (50%)Processing—incorporation into article
- •Hardener in Asphalt Paving, Roofing, and Coating Materials Manufacturing (1%)Processing—repackaging
- •Binder in Wholesale and Retail Trade (7%)Processing—repackaging
- •Fuel in Petroleum Refineries (100%)Use—non-incorporative activities
- •Processing aids, specific to petroleum production in All Other Basic Inorganic Chemical Manufacturing (10%)Processing as a reactant
- •Processing aids, specific to petroleum production in Petroleum Refineries (60%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in ConstructionProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (2%)Processing as a reactant
- •Alloys in Primary Metal Manufacturing (100%)Processing—incorporation into article
- •Intermediate in Petrochemical Manufacturing (100%)Processing as a reactant
- •Intermediate in Primary Metal Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (3%)Processing as a reactant
- •Adsorbent in Mining (except Oil and Gas) and support activities (100%)Processing as a reactant
- •Oxidizing agent in All Other Basic Inorganic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Dispersing agent in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (0%)Processing as a reactant
- •Bleaching agent in Paper Manufacturing (4%)Use—non-incorporative activities
- •Insulators in All Other Basic Inorganic Chemical Manufacturing (7%)Processing as a reactant
- •Fuel agents in Wholesale and Retail TradeProcessing—incorporation into formulation, mixture, or reaction product
- •Dye in Miscellaneous Manufacturing (50%)Processing—incorporation into article
- •Fuel agents in Mining (except Oil and Gas) and support activities (100%)Use—non-incorporative activities
- •Soil amendments (fertilizers) in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Fuels and fuel additives in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Synthetic Rubber Manufacturing (50%)Processing as a reactant
- •Intermediate in Furniture and Related Product Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Rubber Product Manufacturing (100%)Processing—incorporation into article
- •Processing aids, specific to petroleum production in Petrochemical Manufacturing (25%)Processing as a reactant
Vendor Pricing
$2.55/gA2B Chem LLC (1 week)
CountryUnited States
Pack$578.00 / 227 g
Purity99%
Vendors5 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
4 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| AA BLOCKS (1 week) | United States | $2.99 | 227 g | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $15082.10 | 100 mg | — |
| Sigma-Aldrich | Germany | $15082.10 | 100 mg | — |
Chemical Identity
CAS7704-34-9
PubChem CID5362487
DTXSIDDTXSID9034941
FormulaS
Mol. Weight32.07 g/mol
SMILESS
Data Sources
- EPA CompTox (DSSTox) · DTXSID9034941Retrieved 2026-04-06
- PubChem · compound 5362487Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Sulfur (CAS 7704-34-9) https://chemicalindependence.com/chemical/7704-34-9/ EPA CompTox (DSSTox): DTXSID9034941. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9034941 PubChem: 5362487. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5362487 EPA Chemical Data Reporting: 7704-34-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7704-34-9. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 250300,280200 for CAS 7704-34-9. Reporting year: 2024. https://usatrade.census.gov/