Ethyl (R)-4-chloro-3-hydroxybutanoate

(R)-4-氯-3-羟基丁酸乙酯

Also known as: Ethyl (R)-(+)-4-Chloro-3-Hydroxybutyrate, Ethyl (3R)-4-chloro-3-hydroxybutanoate, Butanoic acid, 4-chloro-3-hydroxy-, ethyl ester, (3R)-

Ethyl (R)-4-chloro-3-hydroxybutanoate (CAS 90866-33-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11ClO3 and a molecular weight of 166.603 g/mol. It is also known as Ethyl (R)-(+)-4-Chloro-3-Hydroxybutyrate, Ethyl (3R)-4-chloro-3-hydroxybutanoate and Butanoic acid, 4-chloro-3-hydroxy-, ethyl ester, (3R)-. Key properties include a melting point of 93-95ºC, a boiling point of 263.4±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 113.1±21.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90866-33-4
Jingsj CID
J-37250-7
Molecular Formula
C6H11ClO3
Chinese Name
(R)-4-氯-3-羟基丁酸乙酯
Molecular Weight
166.603 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point93-95ºC
Boiling Point263.4±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point113.1±21.8 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Ethyl (R)-4-chloro-3-hydroxybutanoate?

The CAS number of Ethyl (R)-4-chloro-3-hydroxybutanoate is 90866-33-4.

What are the molecular formula and molecular weight of Ethyl (R)-4-chloro-3-hydroxybutanoate?

Ethyl (R)-4-chloro-3-hydroxybutanoate has molecular formula C6H11ClO3 and molecular weight 166.603 g/mol.

Is Ethyl (R)-4-chloro-3-hydroxybutanoate hazardous?

Ethyl (R)-4-chloro-3-hydroxybutanoate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Ethyl (R)-4-chloro-3-hydroxybutanoate (CAS 90866-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37250-7 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.