Disodium 4,4'-isopropylidenediphenolate

CAS 2444-90-8

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 2444-90-8 — 2 Na⁺

US production6.5M lb

Import value, 2024$22M

Import volumeZero

Import dependency0%

Top sourceTaiwan 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.

Where It Comes From

Customs basis: HS 290723 · narrow

EPA reports by year

2023: US production 6.5M lb · Imports Zero
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290723, which covers 2 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).

TW 32%TaiwanKR 31%South KoreaMY 26%MalaysiaES 3%SpainEC 2%Ecuador

Japan
Switzerland

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

•Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Vendor Pricing

$2.80/gA2B Chem LLC

CountryUnited States

Pack$14.00 / 5 g

Purity98%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$3.32	25 g	98%
Aaron Chemicals LLC	Hong Kong	$3.36	25 g	95%
Angene Chemical	China → Hong Kong	$3.42	50 g	95%
Combi-Blocks, Inc.	United States	$3.55	100 g	95%
Chemscene	United States	$3.99	100 g	—
BLD Pharmatech Co., Limited	United States	$4.15	100 g	95%
Ambeed, Inc.	United States	$4.15	100 g	95%
BLD Pharmatech Ltd.	China	$4.16	25 g	95%
Fluorochem EU	Germany	$4.88	100 g	98%
Synthonix	United States	$6.00	5 g	95%
AstaTech (2 weeks)	United States	$7.20	100 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS2444-90-8

PubChem CID17127

DTXSIDDTXSID0027480

FormulaC15H14Na2O2

Mol. Weight272.25 g/mol

SMILESCC(C)(C1=CC=C(C=C1)[O-])C2=CC=C(C=C2)[O-].[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID0027480Retrieved 2026-04-06
PubChem · compound 17127Retrieved 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

Disodium 4,4'-isopropylidenediphenolate (CAS 2444-90-8) https://chemicalindependence.com/chemical/2444-90-8/ EPA CompTox (DSSTox): DTXSID0027480. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0027480 PubChem: 17127. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/17127 EPA Chemical Data Reporting: 2444-90-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2444-90-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290723 for CAS 2444-90-8. Reporting year: 2024. https://usatrade.census.gov/