dl-Tartaric acid

CAS 133-37-9

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

US productionZero

Import value, 2024$39M

Import volume43.7K lb

Import dependency100%

Top sourceItaly 56%

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.

dl-Tartaric acid · US import value by year

Peak 2013: $66M · 2024: $39M · 2025: $40M

Where It Comes From

Customs basis: HS 291812 · narrow

EPA reports by year

2023: US production Zero · Imports 43.7K lb
2019: US production Zero · Imports 476.2K lb

These shares come from HS customs code 291812, which covers 4 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).

IT 56%ItalyES 21%SpainCN 13%ChinaAR 6%ArgentinaIL 1%Israel

Mexico
India
United Kingdom
Belgium
Japan

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.

Univar Solutions Usa

Why It Matters

Sectors

Consumer 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 2 functional roles.

•Processing aids, specific to petroleum production in Cyclic Crude and Intermediate Manufacturing (2%)Processing as a reactant
•Fuels and fuel additives in All Other Chemical Product and Preparation Manufacturing (65%)Processing as a reactant

Vendor Pricing

$0.08/gA2B Chem LLC

CountryUnited States

Pack$79.00 / 1 kg

Purity95%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.10	1 kg	97%
Chemscene	United States	$0.11	1 kg	—
Fluorochem EU	Germany	$0.14	1 kg	97%
ALFA AESAR	Germany	$0.19	1 kg	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	95%
MedChemExpress MCE	Sweden	$0.31	100 g	98%
Interbioscreen	Hong Kong	$10.00	10 g	95%
TargetMol Chemicals	China → United States	$290.00	100 mg	99.98%
Molnova	China	$900.00	50 mg	99%
ChemFaces	China	$1500.00	20 mg	98%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	90%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%

Chemical Identity

CAS133-37-9

PubChem CID875

DTXSIDDTXSID5046986

FormulaC4H6O6

Mol. Weight150.09 g/mol

SMILESC(C(C(=O)O)O)(C(=O)O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID5046986Retrieved 2026-04-06
PubChem · compound 875Retrieved 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

dl-Tartaric acid (CAS 133-37-9) https://chemicalindependence.com/chemical/133-37-9/ EPA CompTox (DSSTox): DTXSID5046986. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5046986 PubChem: 875. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/875 EPA Chemical Data Reporting: 133-37-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 133-37-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291812 for CAS 133-37-9. Reporting year: 2024. https://usatrade.census.gov/