Butyl (2S)-2-hydroxypropanoate
Also known as: n-Butyl L-lactate, Butyl L-lactate, (-)-Butyl L-lactate, (S)-(-)-Butyl lactate, Butyl (S)-(−)-lactate, Butyl 2-hydroxypropanoate, Propanoic acid, 2-hydroxy-, butyl ester, Butyl (2S)-2-hydroxypropanoate, UNII:0UI63W814U, FEMA 2205, n-ButylL-lactate,97+
Butyl (2S)-2-hydroxypropanoate (CAS 34451-19-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H14O3 and a molecular weight of 146.184 g/mol. Key properties include a melting point of -28ºC(lit.), a boiling point of 189.4±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 69.4±0.0 °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.
- 34451-19-9
- Jingsj CID
- J-23023-9
- Molecular Formula
- C7H14O3
- Molecular Weight
- 146.184 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -28ºC(lit.) |
|---|---|
| Boiling Point | 189.4±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 69.4±0.0 °C |
| Exact Mass | 146.094299 |
| PSA | 46.53000 |
| LogP | 0.88 |
| Additional Property | 4 (20 °C, vs air) |
| Vapor Pressure | 0.2±0.8 mmHg at 25°C |
| Refractive Index | 1.432 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- 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 Butyl (2S)-2-hydroxypropanoate?
The CAS number of Butyl (2S)-2-hydroxypropanoate is 34451-19-9.
What are the molecular formula and molecular weight of Butyl (2S)-2-hydroxypropanoate?
Butyl (2S)-2-hydroxypropanoate has molecular formula C7H14O3 and molecular weight 146.184 g/mol.
Is Butyl (2S)-2-hydroxypropanoate hazardous?
Butyl (2S)-2-hydroxypropanoate 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 Butyl (2S)-2-hydroxypropanoate?
For Butyl (2S)-2-hydroxypropanoate, Upstream Products: Butyl pyruvate, (3R,6R)-3,6-dimethyl-1,4-dioxane-2,5-dione, 1-Butanol; Downstream Products: L-Lactic 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. "Butyl (2S)-2-hydroxypropanoate (CAS 34451-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23023-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.