Diethyl L-tartrate

Also known as: (+)-Diethyl (2R,3R)-2,3-dihydroxysuccinate, (+)-Diethyl L-tartrate, (2R,3R)-(+)-Diethyl tartrate, Butanedioic acid, 2,3-dihydroxy-, diethyl ester, (2R,3R)-, Diethyl (2R,3R)-(+)-tartrate, Diethyl (2R,3R)-2,3-dihydroxysuccinate, Diethyl (2R,3R)-tartrate, Diethyl L-(+)-Tartrate, Diethyl tartarate, Diethyl tartrate, L-DET, L-Tartaric acid diethyl ester, MFCD00009143, diethyl (2R,3R)-2,3-dihydroxybutanedioate, FEMA 2378

Diethyl L-tartrate (CAS 87-91-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O6 and a molecular weight of 206.193 g/mol. Key properties include a melting point of 17 °C, a boiling point of 280 ºC, a density of 1.204 and a flash point of 93 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87-91-2
Jingsj CID: J-30949-9
Molecular Formula: C₈H₁₄O₆
Molecular Weight: 206.193 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	17 °C
Boiling Point	280 ºC
Density	1.204
Flash Point	93 ºC
Exact Mass	206.079041
PSA	93.06000
LogP	-0.29
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.445-1.447
Additional Property	insoluble

Customs & Trade Information

HS Code	2918130000
Summary	2918130000 salts and esters of tartaric acid。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl L-tartrate?

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

What are the molecular formula and molecular weight of Diethyl L-tartrate?

Diethyl L-tartrate has molecular formula C8H14O6 and molecular weight 206.193 g/mol.

What are the upstream and downstream products of Diethyl L-tartrate?

For Diethyl L-tartrate, Upstream Products: Ethanol, L-(+)-Tartaric acid, Diethyl DL-tartrate; Downstream Products: diethyl (2Z)-2-chloro-2-butenedioate, 2,3-Dichloromaleic anhydride, (-)-Dimethyl 2,3-O-isopropylidene-L-tartrate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Diethyl L-tartrate (CAS 87-91-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30949-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.