Description

Sulphuricacid,Diethylester is a specialized organic ester of sulfuric acid, also known as diethyl sulfate. This compound serves as a versatile and reactive alkylating agent and intermediate in fine chemical synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the introduction of ethyl groups into target molecules. Its controlled reactivity makes it valuable for producing high-value intermediates under specific process conditions.

Application

• Pharmaceutical Intermediate: Key alkylating agent in the synthesis of active pharmaceutical ingredients (APIs) and various drug molecules.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators requiring ethylation steps.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specific ethyl-substituted dyes and organic colorants.
• Polymer Chemistry: Employed as a cross-linking agent or monomer modifier in the production of specialty polymers and resins.
• Organic Synthesis Reagent: Utilized in laboratory and industrial-scale organic reactions for ethyl group transfer, such as in O-ethylation and N-ethylation.
• Chemical Research & Development: Serves as a building block for developing novel chemical entities and process optimization in R&D settings.

Basic Information

Product Name	Sulphuricacid,Diethylester
CAS No.	98503-29-8
Molecular Formula	C4H10O4S
Molecular Weight	154.19 g/mol
Synonyms	Diethyl sulfate; Diethyl sulphate; Sulfuric acid diethyl ester; Ethyl sulfate; DES; Diethylsulfate; Ethyl sulphate; 1-Ethoxy-1-oxo-1λ6-sulfan-1-one
EINECS	Contact for details

Quality Control

Our Sulphuricacid,Diethylester is produced and controlled under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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 a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature and properties as a strong acid/organic solvent, the container must be kept tightly sealed to exclude moisture and stored separately from bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as H2SO4)	≤ 1.0%
Specific Gravity (20°C)	1.17 - 1.19

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