Ethanol, 2,2'-[(3-methylphenyl)imino]bis-

CAS 91-99-6

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$197M

Import volumeZero

Top sourceChina 36%

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 292219 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports 22.3K lb

These shares come from HS customs code 292219, which covers 167 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 36%ChinaIT 15%ItalyDE 14%GermanyIN 7%IndiaHU 5%Hungary

Saudi Arabia
Lithuania
Canada
Ukraine
Israel
Singapore
Mexico
Ireland
Netherlands
Malaysia
Slovakia
Denmark
Finland
Latvia
Greece
Austria

Why It Matters

Sectors

Plastics & RubberCore Chemicals

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.

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
•Chemical reaction regulator in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.08/gAaron Chemicals LLC

CountryHong Kong

Pack$39.00 / 500 g

Purity98%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.09	500 g	98%
A2B Chem LLC	United States	$0.24	100 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AA BLOCKS	United States	$0.29	100 g	98%
Chemscene	United States	$0.33	100 g	—
AK Scientific Specialized	United States	$0.82	100 g	95%
AK Scientific, Inc.	United States	$1.09	100 g	98%
AstaTech (2 weeks)	United States	$1.61	100 g	95%
Angene International Limited	United States	$2.03	100 g	98%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS91-99-6

PubChem CID7073

DTXSIDDTXSID5059036

FormulaC11H17NO2

Mol. Weight195.26 g/mol

SMILESCC1=CC(=CC=C1)N(CCO)CCO

Data Sources

EPA CompTox (DSSTox) · DTXSID5059036Retrieved 2026-04-06
PubChem · compound 7073Retrieved 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

Ethanol, 2,2'-[(3-methylphenyl)imino]bis- (CAS 91-99-6) https://chemicalindependence.com/chemical/91-99-6/ EPA CompTox (DSSTox): DTXSID5059036. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5059036 PubChem: 7073. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7073 EPA Chemical Data Reporting: 91-99-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 91-99-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292219 for CAS 91-99-6. Reporting year: 2024. https://usatrade.census.gov/