Description

3-Hydroxy-2,2-Dimethylpropyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester, a key building block in advanced chemical synthesis. This compound matters for its role as a versatile intermediate, enabling the controlled introduction of functional groups in complex molecules. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly in constructing prodrugs or molecules with specific solubility profiles.
• Agrochemical Synthesis: Serves as a key reagent in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Liquid Crystal & OLED Materials: Employed in the synthesis of organic electronic materials and liquid crystal compounds.
• Dye & Pigment Manufacturing: Utilized as an intermediate in the production of high-performance dyes and organic pigments.
• Chemical Research & Development: A valuable tool for academic and industrial research in organic methodology development and catalysis.

Basic Information

Item	Details
Product Name	3-Hydroxy-2,2-Dimethylpropyl 4-Methylbenzenesulfonate
CAS No.	21651-04-7
Molecular Formula	C13H20O4S
Molecular Weight	272.36 g/mol
Synonyms	Neopentyl Glycol Tosylate; 2,2-Dimethyl-1,3-propanediol monotosylate; 3-Hydroxy-2,2-dimethylpropyl p-toluenesulfonate; p-Toluenesulfonic acid 3-hydroxy-2,2-dimethylpropyl ester; 1,3-Dihydroxy-2,2-dimethylpropane monotosylate; Neopentylglycol monotosylate; 2,2-Dimethyltrimethylene p-toluenesulfonate
EINECS	Contact for details

Quality Control

Our 3-Hydroxy-2,2-Dimethylpropyl 4-Methylbenzenesulfonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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