L-(-)-Malic acid
Also known as: L-Malic acid, (S)-Malic acid, L-(-)-Malic acid, L-Hydroxybutanedioic acid, L-Hydroxysuccinic acid, (S)-(-)-Hydroxysuccinic acid, (S)-2-Hydroxysuccinic acid, Apple acid
L-(-)-Malic acid (CAS 97-67-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H6O5 and a molecular weight of 134.087 g/mol. Key properties include a melting point of 101-103 °C(lit.), a boiling point of 306.4±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 153.4±20.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 97-67-6
- Jingsj CID
- J-38487-2
- Molecular Formula
- C4H6O5
- Molecular Weight
- 134.087 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 101-103 °C(lit.) |
|---|---|
| Boiling Point | 306.4±27.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 153.4±20.2 °C |
| Exact Mass | 134.021530 |
| PSA | 94.83000 |
| LogP | -1.26 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.529 |
| Additional Property | soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Landete JM, et al. Requirement of the Lactobacillus casei MaeKR two-component system for L-malic acid utilization via a malic enzyme pathway. Appl Environ Microbiol. 2010 Jan;76(1):84-95. |
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 L-(-)-Malic acid?
The CAS number of L-(-)-Malic acid is 97-67-6.
What are the molecular formula and molecular weight of L-(-)-Malic acid?
L-(-)-Malic acid has molecular formula C4H6O5 and molecular weight 134.087 g/mol.
Is L-(-)-Malic acid hazardous?
L-(-)-Malic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of L-(-)-Malic acid?
For L-(-)-Malic acid, Upstream Products: Oxaloacetic acid, L-Aspartic acid, Fumaric acid; Downstream Products: (3S)-1-benzyl-3-hydroxypyrrolidine-2,5-dione, Sunitinib Malate, Oxaloacetic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-(-)-Malic acid (CAS 97-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38487-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.