Description

L-(+)-Tartaric Acid Di-n-Butyl Ester is a high-purity chiral ester derived from natural L-(+)-tartaric acid. This compound serves as a versatile intermediate and chiral auxiliary in sophisticated organic synthesis, offering precise stereochemical control. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries requiring enantiomerically pure products.

Application

• As a key chiral building block in the asymmetric synthesis of active pharmaceutical ingredients (APIs).
• Employed as a resolution agent for separating racemic mixtures of amines and other basic compounds.
• Utilized in the production of advanced catalysts and ligands for homogeneous catalysis.
• Serves as a specialty intermediate for fine chemicals and high-value agrochemicals.
• Acts as a plasticizer and modifier in specific polymer formulations.
• Potential use in the synthesis of ionic liquids and other functional materials.

Basic Information

Product Name	L-(+)-Tartaric Acid Di-n-Butyl Ester
CAS No.	15763-01-6
Molecular Formula	C12H22O6
Molecular Weight	262.30 g/mol
Synonyms	Di-n-butyl L-tartrate; Dibutyl L-tartrate; (2R,3R)-Di-n-butyl 2,3-dihydroxybutanedioate; L-Dibutyl tartrate; (+)-Dibutyl tartrate; DBT; L-(+)-Dibutyl tartrate; Butyl tartrate
EINECS	239-856-7

Quality Control

Our L-(+)-Tartaric Acid Di-n-Butyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high chemical and optical purity, meeting the exacting standards required for chiral synthesis. A detailed Certificate of Analysis (COA) documenting identity, assay, enantiomeric excess, and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Specific Rotation [α]20/D	+22.0° to +24.0° (c=1 in ethanol)
Refractive Index n20/D	1.443 - 1.447
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.