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Impurities and reference standards

Diethyl tartrate

Also known as Diethyl L-tartrate, Ethyl tartrate, Diethyl (+)-tartrate

CAS 87-91-2Formula C8H14O6Molar mass 206.19 g/molEC 201-783-3
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Diethyl tartrate chemical structure, C8H14O6, CAS 87-91-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
87-91-2
Formula
C8H14O6
Boiling point
280 °C
Density
1.24 @25 °C
HS code
291813
Category
Impurities and reference standards

What is Diethyl tartrate?

Plain description, key identifiers and synonyms

Diethyl tartrate is a chemical substance with the molecular formula C8H14O6 and a molar mass of 206.19 g/mol. Its CAS registry number is 87-91-2. The IUPAC name is diethyl (2R,3R)-2,3-dihydroxybutanedioate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethyl (2R,3R)-2,3-dihydroxybutanedioate
CAS number
87-91-2 CAS number cross-checked
EC number
201-783-3
Molecular formula
C8H14O6
UNII
OQ72CPY58Z
MDL number
MFCD00009143
InChIKey
YSAVZVORKRDODB-PHDIDXHHSA-N
InChI
InChI=1S/C8H14O6/c1-3-13-7(11)5(9)6(10)8(12)14-4-2/h5-6,9-10H,3-4H2,1-2H3/t5-,6-/m1/s1
Canonical SMILES
CCOC(=O)C(O)C(O)C(=O)OCC
Isomeric SMILES
CCOC(=O)[C@@H]([C@H](C(=O)OCC)O)O

Synonyms

  • Diethyl L-tartrate
  • Ethyl tartrate
  • Diethyl (+)-tartrate
  • Diethyl 1,2-dihydroxy-1,2-ethanedicarboxylate
  • Tartaric acid, diethyl ester
  • Butanedioic acid, 2,3-dihydroxy-(r-(r*,r*))-, diethyl ester
  • Tartaric acid diethyl ester
  • Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, diethyl ester
  • Butanedioic acid, 2,3-dihydroxy-(2R,3R)-, 1,4-diethyl ester
  • Diethyl 2,3-dihydroxysuccinate
  • (2R,3R)-Diethyl 2,3-dihydroxysuccinate
  • (+)-Diethyl L-tartrate
  • Diethyl L-(+)-Tartrate
  • L-(+)-Tartaric acid diethyl ester
  • Diethyl tartratene
  • diethyl (2R,3R)-2,3-dihydroxybutanedioate
  • Lansoprazole Impurity 24
  • Tartaric acid, diethyl ester, (R,R)-
  • l-tartaric acid diethyl ester
  • diethyl (2R,3R)-2,3-dihydroxysuccinate
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, diethyl ester
  • (R,R)-Tartaric acid diethyl ester
  • Butanedioic acid, 2,3-dihydroxy- (R-(R*,R*)), diethyl ester
  • Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, 1,4-diethyl ester
  • (+)-Diethyl-l-tartrate
Show all 35 synonyms
  • Butanedioic acid, 2,3-dihydroxy-, diethyl ester
  • Diethyl L-tartarate
  • Butanedioic acid, 2,3-dihydroxy- (R-(R*,R*))-, diethyl ester
  • Butanedioic acid, 2,3-dihydroxy- [R-(R*,R*)]-, diethyl ester
  • diethyl L(+)-tartrate
  • (r,r)-diethyl tartrate
  • diethyl L(+)-tartarate
  • L-Diethyl tartrate
  • Butanedioic acid, 2,3-d
  • Dexlansoprazole Impurity 50

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Boiling point
280 °Cexp.
Density
1.24 @25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
206.19 g/molcalc.
Exact mass
206.079 Dacalc.
LogP (octanol/water)
-1.17calc.
Topological polar surface area
93.06 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.75calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Diethyl tartrate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 14 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

14 suppliers in 6 countries

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Diethyl tartrate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Functional uses

  • Flavouring and nutrient
  • Fragrance

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Diethyl tartrate is traded under.

HS 2918.13Indicative HS code

Salts and esters of tartaric acid

World exports in 2024
$85.4M
+8.3% vs 2023, imports $74.8M
2019 to 2024
Top exporters
  1. Spain30.6%
  2. China10.3%
  3. Italy9.5%
Top importers
  1. United States17.7%
  2. South Korea12.0%
  3. Germany10.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Diethyl tartrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Diethyl tartrate, based on the data on this page

What is Diethyl tartrate?

Diethyl tartrate is a chemical substance with the molecular formula C8H14O6 and a molar mass of 206.19 g/mol. Its CAS registry number is 87-91-2. The IUPAC name is diethyl (2R,3R)-2,3-dihydroxybutanedioate.

What is the CAS number of Diethyl tartrate?

The CAS registry number of Diethyl tartrate is 87-91-2.

What is the molecular formula and weight of Diethyl tartrate?

The molecular formula of Diethyl tartrate is C8H14O6 and its molar mass is 206.19 g/mol.

What is Diethyl tartrate used for?

Known uses and roles of Diethyl tartrate include flavouring and nutrient and fragrance.

Is Diethyl tartrate hazardous?

No GHS hazard classification for Diethyl tartrate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Diethyl tartrate?

Diethyl tartrate is usually classified under HS code 291813 (Salts and esters of tartaric acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diethyl tartrate?

CompoundList lists 14 suppliers of Diethyl tartrate in India, United States, China, Switzerland and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diethyl tartrate in India?

4 suppliers in India list Diethyl tartrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Diethyl tartrate?

Suppliers quote Diethyl tartrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Diethyl tartrate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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