2-[2-Hydroxy-5-(2-methacryloyloxyethyl)phenyl]-2H-benzotriazole

CAS 96478-09-0

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

US productionZero

Import volume5.3K lb

Import dependency100%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Zero · Imports 5.3K lb
2019: US production Confidential · Imports Confidential

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Otsuka Chemical · JP Japan

Otsuka Chemical America

Why It Matters

Sectors

ConstructionConsumer Products

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 2 sectors as 1 functional role.

•UV stabilizer in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (88%)Processing as a reactant
•UV stabilizer in Wholesale and Retail Trade (88%)Processing—repackaging

Vendor Pricing

$1.20/gA2B Chem LLC

CountryUnited States

Pack$30.00 / 25 g

Purity98%

Vendors12 available

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

11 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$1.80	100 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$1.85	500 g	99%
Sigma-Aldrich	Germany	$1.85	500 g	99%
AA BLOCKS	United States	$2.07	100 g	98%
Aaron Chemicals LLC	Hong Kong	$2.20	5 g	—
Angene Chemical	China → Hong Kong	$2.34	100 g	—
Angene International Limited	United States	$8.64	25 g	98%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	—
Asinex	Netherlands	$6461.40	100 mg	90%
TimTec, LLC	United States	$9333.33	30 mg	90%

Chemical Identity

CAS96478-09-0

PubChem CID726893

DTXSIDDTXSID0072980

FormulaC18H17N3O3

Mol. Weight323.3 g/mol

SMILESCC(=C)C(=O)OCCC1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2

Data Sources

EPA CompTox (DSSTox) · DTXSID0072980Retrieved 2026-04-06
PubChem · compound 726893Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

2-[2-Hydroxy-5-(2-methacryloyloxyethyl)phenyl]-2H-benzotriazole (CAS 96478-09-0) https://chemicalindependence.com/chemical/96478-09-0/ EPA CompTox (DSSTox): DTXSID0072980. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0072980 PubChem: 726893. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/726893 EPA Chemical Data Reporting: 96478-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 96478-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting