Salicylaldazine

CAS 959-36-4

Benzaldehyde, 2-hydroxy-, 2-[(2-hydroxyphenyl)methylene]hydrazone

Molecular structure of 959-36-4
US productionNot reported
Import value, 2024$205M
Top sourceSwitzerland 33%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 292800, 320490 · basket

These shares come from HS customs code 292800, 320490, which covers 120 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 33%SwitzerlandIT 27%ItalyCN 12%ChinaIN 7%IndiaJP 6%Japan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS959-36-4
PubChem CIDNot recorded
DTXSIDDTXSID801014692
FormulaC14H12N2O2
Mol. Weight240.262 g/mol
SMILESOC1=CC=CC=C1C=NN=CC1=CC=CC=C1O

Data Sources

Brief citations

Salicylaldazine (CAS 959-36-4) https://chemicalindependence.com/chemical/959-36-4/ EPA TSCA Inventory: CAS 959-36-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292800,320490 for CAS 959-36-4. Reporting year: 2024. https://usatrade.census.gov/