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4,4'-Oxybis(benzenesulfohydrazide)

CAS 80-51-3

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 80-51-3
US productionZero
Import value, 2024$2.0B
Import volume601.8K lb
Import dependency100%
Top sourceIreland 63%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

4,4'-Oxybis(benzenesulfohydrazide) · US import value by year
$0M2013$4.2B2019$2.0B2024$1.5B2025

2013: $0M · Peak 2019: $4.2B · 2024: $2.0B · 2025: $1.5B

Where It Comes From

Customs basis: HS 293590 · basket

EPA reports by year
2023
US production Zero · Imports 601.8K lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland
EPA-registered importers (6)
Safic-Alcan · FR France
Chemspec
Flow Polymers
Henkel
Mitsubishi Gas Chemical America
Show all 6
Nishikawa Cooper

Why It Matters

Sectors
AgricultureElectronicsMetals & MiningPlastics & RubberPaints & CoatingsPaper & PrintingCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 10 sectors as 4 functional roles.

  • •Adhesion/cohesion promoter in Electrical Equipment, Appliance, and Component Manufacturing (20%)Processing—incorporation into article
  • •Adhesion/cohesion promoter in Computer and Electronic Product Manufacturing (40%)Processing—incorporation into article
  • •Adhesion/cohesion promoter in Machinery Manufacturing (40%)Processing—incorporation into article
  • •Propellants, non-motive (blowing agents) in Paint and Coating Manufacturing (7%)Processing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in Plastics Material and Resin Manufacturing (11%)Processing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in Printing Ink Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in Synthetic Rubber ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Propellants, non-motive (blowing agents) in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Density modifier in Rubber Product Manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$0.94/gA2B Chem LLC
CountryUnited States
Pack$471.00 / 500 g
Purity90%
Vendors4 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

3 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$1.23500 g90%
Labotest KGGermany$453.001000 mg90%
Otava, Ltd.Ukraine$2724.0050 mg90%

Chemical Identity

CAS80-51-3
PubChem CID6649
DTXSIDDTXSID7026499
FormulaC12H14N4O5S2
Mol. Weight358.4 g/mol
SMILESC1=CC(=CC=C1OC2=CC=C(C=C2)S(=O)(=O)NN)S(=O)(=O)NN

Data Sources

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Brief citations

4,4'-Oxybis(benzenesulfohydrazide) (CAS 80-51-3) https://chemicalindependence.com/chemical/80-51-3/ EPA CompTox (DSSTox): DTXSID7026499. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7026499 PubChem: 6649. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6649 EPA Chemical Data Reporting: 80-51-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 80-51-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293590 for CAS 80-51-3. Reporting year: 2024. https://usatrade.census.gov/