Description

Dipotassium (R*,S*)-Tartrate is a potassium salt of racemic tartaric acid, a versatile chiral building block and buffering agent. This compound is valued for its role in asymmetric synthesis and as a key component in buffer systems for biochemical and pharmaceutical applications. It is essential for manufacturers in the pharmaceutical, food & beverage, and fine chemical synthesis industries requiring precise pH control or chiral resolution agents.

Application

• Pharmaceutical Synthesis: Used as a chiral auxiliary or resolving agent in the production of active pharmaceutical ingredients (APIs).
• Biochemical Buffers: Serves as a component in buffer solutions for electrophoresis, chromatography, and enzyme studies.
• Food Additive (E336): Functions as an acidity regulator, sequestrant, and stabilizer in food and beverage products.
• Electroplating Solutions: Acts as a complexing agent in electroplating baths for metal surface finishing.
• Analytical Chemistry: Employed as a standard or reagent in various titrimetric and complexometric analyses.
• Cosmetics & Personal Care: Used in formulations as a pH adjuster and chelating agent.

Basic Information

Product Name	Dipotassium (R*,S*)-Tartrate
CAS No.	4504-81-8
Molecular Formula	C4H4K2O6
Molecular Weight	226.27 g/mol
Synonyms	Dipotassium DL-Tartrate; Potassium DL-Tartrate; Potassium Racemic Tartrate; E336; Seignette's Salt (racemic); Dipotassium 2,3-Dihydroxybutanedioate; Dipotassium (R*,S*)-2,3-Dihydroxysuccinate; DL-Dipotassium Tartrate
EINECS	224-801-9

Quality Control

Our Dipotassium (R*,S*)-Tartrate is produced under a strict quality management system. It can be manufactured to meet various standards, including Food Chemical Codex (FCC) and pharmaceutical-grade specifications. All batches undergo rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) are available upon request.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 99.0%
pH (5% Solution)	7.0 - 9.0
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Chloride (Cl)	≤ 0.005%
Sulfate (SO4)	≤ 0.01%

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