Description

St 90 CAS NO 81252-14-4 is a specialized chemical compound utilized in advanced synthesis and industrial processes. This product is valued for its role as a key intermediate or reagent in environments requiring strong acid or organic solvent compatibility. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Specialty Polymer Production: Acts as a monomer or cross-linking agent in the manufacture of high-performance polymers.
• Organic Synthesis Reagent: Employed in research and development for complex organic transformations under acidic conditions.
• Electrolyte Additive: Potential application in advanced battery systems and electroplating solutions.
• Catalyst Preparation: Used in the formulation of catalysts for petrochemical and fine chemical processes.

Basic Information

Product Name	St 90
CAS No.	81252-14-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	ST-90; St 90; 81252-14-4; 1,3,2-Dioxathiolane 2,2-dioxide, 4-(phenylmethyl)-; 4-Benzyl-1,3,2-dioxathiolane 2,2-dioxide; 4-Benzyl-1,3,2-dioxathiolane-2,2-dioxide; Benzyl Glycidyl Sulfonate
EINECS	Contact for details

Quality Control

Our St 90 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. Due to its chemical nature, it should be handled in accordance with good laboratory/industrial practices.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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