L-Valine

Also known as: H-Val-OH, H-L-Val-OH, Valine, 2-Aminoisovaleric acid, (S)-2-Amino-3-methylbutanoic acid, L-2-Amino-3-methylbutanoic acid, L-(+)-Valine, Valin, 2-AMINO-3-METHYLBUTANOIC ACID, 2-AMINOISOVALERIC ACID

L-Valine (CAS 72-18-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11NO2 and a molecular weight of 117.146 g/mol. Key properties include a melting point of 315ºC, a boiling point of 213.6±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 83.0±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 72-18-4
Jingsj CID: J-1106690-3
Molecular Formula: C₅H₁₁NO₂
Molecular Weight: 117.146 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	315ºC
Boiling Point	213.6±23.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	83.0±22.6 °C
Exact Mass	117.078979
PSA	63.32000
LogP	0.20
Vapor Pressure	0.1±0.9 mmHg at 25°C
Refractive Index	1.461

Customs & Trade Information

HS Code	29224995

Frequently Asked Questions

What is the CAS number of L-Valine?

The CAS number of L-Valine is 72-18-4.

What are the molecular formula and molecular weight of L-Valine?

L-Valine has molecular formula C5H11NO2 and molecular weight 117.146 g/mol.

What are the upstream and downstream products of L-Valine?

For L-Valine, Upstream Products: (2S)-2-(N-tert-Butoxycarbonyl)amino-3-methylbut-3-enoic acid, 3-Methyl-2-oxobutanoic acid, DL-Valine; Downstream Products: (S)-2-(Dibenzylamino)-3-methyl-1-butanol, (S)-tert-Butyl 2-hydroxy-3-methylbutanoate, N-Methyl-L-valine methyl ester hydrochloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "L-Valine (CAS 72-18-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106690-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.