Diethyl L-malate
Also known as: Diethyl (2S)-2-hydroxysuccinate, L-(-)-Malic acid diethyl ester, (S)-(-)-Diethyl hydroxysuccinate, (S)-(-)-Diethylmalate, L-(-)-Apple acid diethyl ester, MFCD00210119
Diethyl L-malate (CAS 691-84-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O5 and a molecular weight of 190.194 g/mol. Key properties include a melting point of -168°C, a boiling point of 281.6±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 85.0±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 691-84-9
- Jingsj CID
- J-1994127-6
- Molecular Formula
- C8H14O5
- Molecular Weight
- 190.194 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -168°C |
|---|---|
| Boiling Point | 281.6±20.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 85.0±0.0 °C |
| Exact Mass | 190.084122 |
| PSA | 72.83000 |
| LogP | 0.23 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.446 |
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。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-malate?
The CAS number of Diethyl L-malate is 691-84-9.
What are the molecular formula and molecular weight of Diethyl L-malate?
Diethyl L-malate has molecular formula C8H14O5 and molecular weight 190.194 g/mol.
What are the upstream and downstream products of Diethyl L-malate?
For Diethyl L-malate, Upstream Products: Ethanol, L-(-)-Malic acid, Diethyl oxalacetate sodium salt; Downstream Products: (±)-β-Hydroxy-γ-butyrolactone, (S)-(-)-1,2,4-Butanetriol, Diethyl maleate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl L-malate (CAS 691-84-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994127-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.