Pentaerythritol dibromide

CAS 3296-90-0

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$26M

Top sourceChina 27%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 290559 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290559, which covers 71 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 27%ChinaJP 25%JapanIL 20%IsraelKR 15%South KoreaIN 4%India

Norway
Ukraine
Austria
Slovakia
Liechtenstein
Sweden
Belgium
Mexico
Russia
Italy
Netherlands

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Icl Specialty Products North America

Polynt Composites Usa

EPA-registered importers (1)

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

Wego Chemical Group

Why It Matters

Sectors

ConstructionPlastics & 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 2 functional roles.

•Flame retardant in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
•Monomers in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
•Flame retardant in ConstructionProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.02/gAaron Chemicals LLC

CountryHong Kong

Pack$12.00 / 500 g

PurityNot recorded

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.03	500 g	98%
A2B Chem LLC	United States	$0.04	500 g	96%
AA BLOCKS	United States	$0.05	500 g	96%
Chemscene	United States	$0.05	1 kg	—
Ambeed, Inc.	United States	$0.05	500 g	98%
Fluorochem EU	Germany	$0.07	500 g	95%
MedChemExpress MCE	Sweden	$0.07	1 kg	—
Fluorochem UK	United Kingdom	$0.11	100 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$0.13	3 kg	98%
Sigma-Aldrich	Germany	$0.13	3 kg	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AK Scientific Specialized	United States	$0.50	100 g	98%
AK Scientific, Inc.	United States	$0.70	100 g	99%
Angene International Limited	United States	$1.43	100 g	99%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS3296-90-0

PubChem CID18692

DTXSIDDTXSID9020164

FormulaC5H10Br2O2

Mol. Weight261.94 g/mol

SMILESC(C(CO)(CBr)CBr)O

Data Sources

EPA CompTox (DSSTox) · DTXSID9020164Retrieved 2026-04-06
PubChem · compound 18692Retrieved 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

Pentaerythritol dibromide (CAS 3296-90-0) https://chemicalindependence.com/chemical/3296-90-0/ EPA CompTox (DSSTox): DTXSID9020164. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9020164 PubChem: 18692. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/18692 EPA Chemical Data Reporting: 3296-90-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3296-90-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290559 for CAS 3296-90-0. Reporting year: 2024. https://usatrade.census.gov/