Tricholine citrate

CAS 546-63-4

Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, 2-hydroxy-1,2,3-propanetricarboxylate (3:1)

Molecular structure of 546-63-4
US productionNot reported
Import value, 2024$22M
Top sourceItaly 48%

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 292310 · basket

These shares come from HS customs code 292310, which covers 11 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 48%ItalyCN 30%ChinaIN 8%IndiaBE 6%BelgiumDE 4%Germany

Why It Matters

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

Vendor Pricing

$0.35/gAK Scientific, Inc.
CountryUnited States
Pack$173.00 / 500 g
Purity65%
Vendors4 available

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

Chemical Identity

CAS546-63-4
PubChem CIDNot recorded
DTXSIDDTXSID5060273
FormulaC21H47N3O10
Mol. Weight501.618 g/mol
SMILESC[N+](C)(C)CCO.C[N+](C)(C)CCO.C[N+](C)(C)CCO.OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

Data Sources

Brief citations

Tricholine citrate (CAS 546-63-4) https://chemicalindependence.com/chemical/546-63-4/ EPA TSCA Inventory: CAS 546-63-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292310 for CAS 546-63-4. Reporting year: 2024. https://usatrade.census.gov/