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Diethyl L-tartrate

CAS 87-91-2

Also registered as 6 other CAS numbers

608-84-4 · 45119-64-0 · 66473-11-8 · 128851-23-0 · 168979-76-8 · 181628-97-7

Diethyl L-tartrate chemical structure

Concern score

Not assessed — no hazard data yet.

Diethyl L-tartrate in plain language

What it is

Also known as Diethyl tartrate · Butanedioic acid, 2,3-DIHYDROXY- (2R,3R)-, 1,4-DIETHYL ester · Butanedioic acid, 2,3-DIHYDROXY- (2R,3R)-, diethyl ester · Diethyl (2R,3R)-(+)-TARTRATE · Diethyl (2R,3R)-2,3-dihydroxybutanedioate · L-diethyl tartrate

Show all 21 names

Diethyl ester tartaric acid · (+)-(R,R)-Diethyl tartrate · (+)-Diethyl L-tartrate · (2R,3R)-Diethyl 2,3-dihydroxysuccinate · (R,R)-Diethyl tartrate · (R,R)-Tartaric acid diethyl ester · Diethyl (2R,3R)-2,3-DIHYDROXYSUCCINATE · Diethyl 1,2-DIHYDROXY-1,2-ETHANEDICARBOXYLATE · Diethyl l-(+)-tartrate · Diethyl (+)-tartrate · Diethyl 2,3-dihydroxysuccinate · Ethyl tartrate · L(+)-Diethyl L-tartrate · L-(+)-Tartaric acid diethyl ester · L-tartaric acid diethyl ester

What it does

Used in consumer products as a fragrance ingredient and a flavouring.

  • Fragrance
  • Flavouring
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Diethyl L-tartrate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient, Fragrance.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Diethyl L-tartrate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed Diethyl L-tartrate in a product composition. These are source records, not Greenveil catalog products.

Named organisations

4

Typical roles

FragranceFlavouring
See products using Diethyl L-tartrate →