Rochelle Salt, USP Grade – Potassium Sodium Tartrate Tetrahydrate | KNaC₄H₄O₆·4H₂O | CAS 6381-59-5

Product Overview

Rochelle Salt, USP Grade (Potassium Sodium Tartrate Tetrahydrate) is a double salt of tartaric acid that meets the stringent standards of the United States Pharmacopeia (USP) for use in pharmaceutical and food-related applications. This crystalline compound is valued for its buffering, emulsifying, and stabilizing properties, and is frequently used in preparations where biocompatibility and purity are essential. It also finds utility in laboratory settings for reagent preparation and as a sequestering agent.

Key Industries

• Pharmaceuticals – Used as a laxative ingredient and stabilizer in oral solutions
• Food & Beverage – Applied as a leavening agent and processing aid under regulated conditions
• Laboratory & Research – Employed in analytical reagents and buffer systems
• Cosmetics & Personal Care – Functions as a mild astringent or pH adjuster in formulations
• Electronics – Occasionally used in piezoelectric research and device development

Packaging Options

Rochelle Salt, USP Grade is available in sealed, moisture-protected packaging suitable for pharmaceutical and food-grade handling. A variety of sizes are offered to accommodate both laboratory-scale needs and bulk production requirements. Certificates of Analysis and USP compliance documentation are included with every order.