Description

L-(+)-Tartaric Acid Di-n-Butyl Ester is a high-purity chiral ester derived from natural tartaric acid, serving as a versatile intermediate and resolving agent. Its value lies in its ability to impart optical activity and modify solubility in complex chemical syntheses and formulations. This product is essential for industries requiring precise chiral control, including pharmaceuticals, agrochemicals, and specialty polymer production.

Application

• Chiral Resolution Agent: Used in the separation of enantiomers for pharmaceutical active ingredients and fine chemicals.
• Chemical Intermediate: Acts as a key building block in the synthesis of complex organic molecules, catalysts, and ligands.
• Polymer Additive: Functions as a plasticizer or modifier to enhance the properties of specialty polymers and resins.
• Flavor & Fragrance Ingredient: Employed as a precursor or modifier in the creation of sophisticated aroma and flavor compounds.
• Asymmetric Synthesis: Serves as a chiral auxiliary or solvent in reactions requiring high stereoselectivity.
• Agrochemical Formulations: Used in the development of advanced pesticides and herbicides where specific isomer activity is required.

Basic Information

Product Name	L-(+)-Tartaric Acid Di-n-Butyl Ester
CAS No.	87-92-3
Molecular Formula	C12H22O6
Molecular Weight	262.30 g/mol
Synonyms	Di-n-butyl L-tartrate; Dibutyl (2R,3R)-2,3-dihydroxybutanedioate; Dibutyl L-tartrate; L-(+)-Dibutyl tartrate; (2R,3R)-2,3-Dihydroxysuccinic acid dibutyl ester; Butyl tartrate; Tartaric acid dibutyl ester; EINECS 201-783-7
EINECS	201-783-7

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 it meets high-purity standards suitable for demanding applications. A Certificate of Analysis (COA) detailing purity, optical rotation, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and oxidizing agents. The product is compatible with standard organic solvent storage conditions.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]20/D	+19.0° to +21.0° (c=1 in ethanol)
Specific Gravity (20°C)	1.085 - 1.105
Refractive Index (20°C)	1.445 - 1.455
Water Content (KF)	≤ 0.5%

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