Phosphorous acid

U.S. production volumes are classified as confidential business information.

Molecular structure of 10294-56-1
US ProductionCBI
Import Value$66M
Top SourceChina 46%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 281119 · basket

These shares come from HS customs code 281119, which covers 19 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 46%ChinaDE 17%GermanyMY 12%MalaysiaKR 5%South KoreaTW 5%Taiwan
EPA-registered manufacturers (2)
Buckman Laboratories
Lonza
EPA-registered importers (8)
Italmatch Chemicals Group · IT Italy
Italmatch Chemicals Spa · IT Italy
Brenntag
Channel Chemical
Clearon
Show all 8
Italmatch Usa
Norman, Fox &
Univar Solutions

Why It Matters

Sectors
AgricultureEnergyConstructionMetals & MiningConsumer ProductsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 4 functional roles.

  • •Intermediate in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Oil and Gas Drilling, Extraction, and Support activities (12%)Processing as a reactant
  • •Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activities (88%)Processing—incorporation into formulation, mixture, or reaction product
  • •Corrosion inhibitors and anti-scaling agents in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Corrosion inhibitors and anti-scaling agents in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing as a reactant
  • •Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
  • •Agricultural chemicals (non-pesticidal) in All Other Chemical Product and Preparation Manufacturing (5%)Not Known or Reasonably Ascertainable
  • •Agricultural chemicals (non-pesticidal) in Wholesale and Retail Trade (30%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS10294-56-1
PubChem CID107909
DTXSIDDTXSID7035511
FormulaH3O3P
Mol. Weight81.996 g/mol
SMILESOP(O)O

Data Sources

DTXSID70355112026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

1079092026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/107909/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/107909.json

10294-56-12026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 10294-56-12026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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