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Monopotassium L-glutamate

CAS 19473-49-5

L-Glutamic acid, potassium salt (1:1)

Molecular structure of 19473-49-5
1 K⁺
US productionNot reported
Import value, 2024$45M
Top sourceVietnam 51%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292242 · basket

These shares come from HS customs code 292242, which covers 11 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
VN 51%VietnamMY 17%MalaysiaIT 10%ItalyCN 9%ChinaTW 4%Taiwan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS19473-49-5
PubChem CIDNot recorded
DTXSIDDTXSID6044228
FormulaC5H8KNO4
Mol. Weight185.22 g/mol
SMILES[K+].N[C@@H](CCC(O)=O)C([O-])=O

Data Sources

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Brief citations

Monopotassium L-glutamate (CAS 19473-49-5) https://chemicalindependence.com/chemical/19473-49-5/ EPA TSCA Inventory: CAS 19473-49-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292242 for CAS 19473-49-5. Reporting year: 2024. https://usatrade.census.gov/