Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) 2-(4-methoxybenzylidene)malonate

CAS 147783-69-5

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

US productionZero

Import value, 2024$1.3B

Import volume12.0K lb

Import dependency100%

Top sourceChina 32%

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.

Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) 2-(4-methoxybenzylidene)malonate · US import value by year

Peak 2013: $2.2B · 2024: $1.3B · 2025: $1.3B

Where It Comes From

Customs basis: HS 293339 · basket

EPA reports by year

2023: US production Zero · Imports 12.0K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Taiwan
Ukraine
Sweden
Argentina
Canada
Finland
Malta
Israel
Netherlands
Denmark
United Arab Emirates
Mexico
Brunei
Slovakia
Australia
South Africa
Poland
Latvia
Lithuania
Estonia
Slovenia
Czech Republic
Croatia
Hong Kong

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.

Clariant International · CH Switzerland

Clariant

Why It Matters

Sectors

Plastics & Rubber

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 Plastics Material and Resin Manufacturing (100%)Processing as a reactant
•UV stabilizer in Plastics Product Manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$444.00/gAA BLOCKS (1 week)

CountryUnited States

Pack$444.00 / 1 g

Purity95%

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$561.00	1 g	95%
Ambeed, Inc.	United States	$561.00	1 g	95%
A2B Chem LLC	United States	$592.00	250 mg	95%

Chemical Identity

CAS147783-69-5

PubChem CID164473

DTXSIDDTXSID0073114

FormulaC31H48N2O5

Mol. Weight528.7 g/mol

SMILESCC1(CC(CC(N1C)(C)C)OC(=O)C(=CC2=CC=C(C=C2)OC)C(=O)OC3CC(N(C(C3)(C)C)C)(C)C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID0073114Retrieved 2026-04-06
PubChem · compound 164473Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) 2-(4-methoxybenzylidene)malonate (CAS 147783-69-5) https://chemicalindependence.com/chemical/147783-69-5/ EPA CompTox (DSSTox): DTXSID0073114. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0073114 PubChem: 164473. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/164473 EPA Chemical Data Reporting: 147783-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 147783-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293339 for CAS 147783-69-5. Reporting year: 2024. https://usatrade.census.gov/