Description

1-Methylethyl 1-Butanesulfonate is a specialized organic sulfonate ester with the CAS number 91284-46-7. This compound serves as a valuable intermediate and alkylating agent in advanced organic synthesis, enabling the introduction of the butanesulfonate moiety. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents requiring sulfonate functional groups.
• Polymer Modification: Acts as a sulfonation agent or cross-linking monomer in the production of specialty polymers and ion-exchange resins.
• Organic Synthesis Reagent: Employed as an alkylating agent in nucleophilic substitution reactions to install protected sulfonic acid derivatives.
• Chemical Research: Valuable tool in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.
• Lubricant & Fuel Additive Precursor: Intermediate in the manufacture of sulfonate-based detergents and additives for industrial lubricants and fuels.

Basic Information

Product Name	1-Methylethyl 1-Butanesulfonate
CAS No.	91284-46-7
Molecular Formula	C7H16O3S
Molecular Weight	180.27 g/mol
Synonyms	Isopropyl Butanesulfonate; 1-Butanesulfonic Acid 1-Methylethyl Ester; Isopropyl 1-Butanesulfonate; 1-Methylethyl Butane-1-sulfonate; Butanesulfonic Acid Isopropyl Ester; Isopropyl Butane-1-sulfonate; 1-Butanesulfonic Acid Isopropyl Ester
EINECS	Contact for details

Quality Control

Our 1-Methylethyl 1-Butanesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Density	~1.05 g/cm³ (at 20°C)

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