Description

Sodium Tartrate is the disodium salt of L-(+)-tartaric acid, a versatile organic compound with the CAS registry number 868-18-8. This high-purity chemical serves as a crucial buffering agent, sequestrant, and stabilizer in numerous industrial and pharmaceutical processes. It is essential for manufacturers in the food & beverage, pharmaceutical, and chemical synthesis sectors requiring a reliable, water-soluble source of tartrate ions.

Application

• Food & Beverage Industry: Used as an acidity regulator, emulsifier, and sequestrant in jellies, jams, and certain dairy products.
• Pharmaceutical Manufacturing: Acts as a chiral resolving agent, a buffering agent in formulations, and a component in effervescent tablets.
• Chemical Synthesis & Catalysis: Serves as a ligand in asymmetric synthesis and as a component in specialized catalysts.
• Electroplating & Metal Treatment: Functions as a complexing agent in electroplating baths for improved metal deposition and surface finish.
• Analytical Chemistry: Employed as a standard in various titrations and analytical procedures.
• Cosmetics & Personal Care: Utilized as a pH adjuster and chelating agent in certain cosmetic formulations.

Basic Information

Product Name	Sodium Tartrate
CAS No.	868-18-8
Molecular Formula	C4H4Na2O6 • nH2O
Molecular Weight	Anhydrous: 194.05 g/mol
Synonyms	Disodium Tartrate; L-(+)-Tartaric Acid Disodium Salt; Rochelle Salt (when dihydrate); E335; Seignette's Salt; Sodium L-Tartrate; 2,3-Dihydroxybutanedioic Acid Disodium Salt
EINECS No.	212-773-3

Quality Control

Our Sodium Tartrate is produced under a stringent quality management system. We offer various grades, including Food Grade (FCC) and Pharmaceutical grades, with specifications tailored to meet specific application requirements. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) to ensure traceability and compliance with agreed-upon standards.

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); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Anhydrous Basis)	98.0% - 102.0%
pH (5% Solution)	7.0 - 9.0
Loss on Drying	< 1.0%
Heavy Metals (as Pb)	< 10 ppm
Chloride (Cl)	< 0.01%
Sulfate (SO4)	< 0.01%

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