(R)-malic acid
Also known as: D-(+)-Malic acid, D-Malic acid, (R)-malic acid, (R)-HYDROXYSUCCINIC ACID, D-Hydroxybutanedioic acid, (2R)-2-hydroxybutanedioic acid, (2R)-2-Hydroxysuccinic acid, D-malate, Malic Acid Impurity 3, (R)-(+)-MALIC ACID, (+)-D-MALIC ACID, Butanedioic acid, 2-hydroxy-, (2R)-, Butanedioic acid, hydroxy-, (R)-, D-APPLE ACID, Malic acid, D-
(R)-malic acid (CAS 636-61-3) 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 98-104ºC, 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 Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 636-61-3
- Jingsj CID
- J-13098-3
- 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 | 98-104ºC |
|---|---|
| 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 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Manuela Côrte-Real, et al. Transport of L(-)malic acid and other dicarboxylic acids in the yeast Candida sphaerica. Appl Microbiol Biotechnol (1989) 31:551-555. [2]. Kiyoshi Nakayama, et al. D-malic acid production from maleic acid using microorganism: Screening of microorganism. Biotechnology Letters volume 15, 271–276(1993). |
|---|
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 (R)-malic acid?
The CAS number of (R)-malic acid is 636-61-3.
What are the molecular formula and molecular weight of (R)-malic acid?
(R)-malic acid has molecular formula C4H6O5 and molecular weight 134.087 g/mol.
Is (R)-malic acid hazardous?
(R)-malic acid has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of (R)-malic acid?
For (R)-malic acid, Upstream Products: L-Aspartic acid, Oxaloacetic acid, DL-Malic acid; Downstream Products: Oxaloacetic acid, (S)-(-)-1,2,4-Butanetriol, Dimethyl DL-malate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-malic acid (CAS 636-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13098-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.