Methyl (S)-(-)-lactate
Also known as: (-)-Methyl L-lactate, (-)-Methyl lactate, Methyl (S)-lactate, Methyl L-(-)-lactate, Methyl (2S)-2-hydroxypropanoate, (S)-(-)-Lactic acid methyl ester, (-)-2-Hydroxypropionic acid methyl ester, L-Lactic acid methyl ester
Methyl (S)-(-)-lactate (CAS 27871-49-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8O3 and a molecular weight of 104.104 g/mol. Key properties include a melting point of -66ºC, a boiling point of 145.3±8.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 49.4±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, 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.
- 27871-49-4
- Jingsj CID
- J-46947-6
- Molecular Formula
- C4H8O3
- Molecular Weight
- 104.104 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -66ºC |
|---|---|
| Boiling Point | 145.3±8.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 49.4±0.0 °C |
| Exact Mass | 104.047340 |
| PSA | 46.53000 |
| LogP | -0.72 |
| Vapor Pressure | 1.9±0.6 mmHg at 25°C |
| Refractive Index | 1.412 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918110000 |
|---|---|
| Summary | 2918110000. lactic acid, its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl (S)-(-)-lactate?
The CAS number of Methyl (S)-(-)-lactate is 27871-49-4.
What are the molecular formula and molecular weight of Methyl (S)-(-)-lactate?
Methyl (S)-(-)-lactate has molecular formula C4H8O3 and molecular weight 104.104 g/mol.
Is Methyl (S)-(-)-lactate hazardous?
Methyl (S)-(-)-lactate has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Methyl (S)-(-)-lactate?
For Methyl (S)-(-)-lactate, Upstream Products: Methyl lactate, 2,2-Diphenylacetic acid, Methyl pyruvate; Downstream Products: Methyl 2-bromopropionate, 2-Methoxypropionic acid, (S)-(+)-1,2-Propanediol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl (S)-(-)-lactate (CAS 27871-49-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46947-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.