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Monosodium aspartate

CAS 3792-50-5

L-Aspartic acid, sodium salt (1:1)

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

Molecular structure of 3792-50-5
1 Na⁺
US productionCBI
Import value, 2024$503M
Top sourceChina 25%

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 292249 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential

These shares come from HS customs code 292249, which covers 170 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 25%ChinaIN 17%IndiaSG 13%SingaporeIT 9%ItalyCH 7%Switzerland
EPA-registered importers (1)
Avantor

Why It Matters

Sectors
Core Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS3792-50-5
PubChem CIDNot recorded
DTXSIDDTXSID9020904
FormulaC4H6NNaO4
Mol. Weight155.085 g/mol
SMILES[Na+].N[C@@H](CC(O)=O)C([O-])=O

Data Sources

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Brief citations

Monosodium aspartate (CAS 3792-50-5) https://chemicalindependence.com/chemical/3792-50-5/ EPA TSCA Inventory: CAS 3792-50-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 3792-50-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3792-50-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292249 for CAS 3792-50-5. Reporting year: 2024. https://usatrade.census.gov/