Description

Diethyl Sulfate is a versatile and highly reactive alkylating agent with significant industrial importance. Its primary value lies in its ability to introduce ethyl groups into a wide range of organic molecules, making it a key intermediate in fine chemical synthesis. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and high-purity ethylation reagents.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for ethylating amines, phenols, and thiols to create drug candidates and final products.
• Agrochemical Production: Serves as a critical building block for manufacturing herbicides, pesticides, and plant growth regulators through ethylation reactions.
• Dye and Pigment Synthesis: Employed as an ethylating agent in the production of various colorants and specialty dyes.
• Chemical Research & Development: A valuable reagent in laboratory-scale organic synthesis for exploring new chemical entities and reaction pathways.
• Surfactant and Quaternary Ammonium Compound Manufacture: Used in the production of cationic surfactants and fabric softeners.
• Polymer Modification: Can be utilized to introduce ethyl groups into polymer chains, altering their physical and chemical properties.

Basic Information

Product Name	Diethyl Sulfate
CAS No.	64-67-5
Molecular Formula	C4H10O4S
Molecular Weight	154.18 g/mol
Synonyms	DES; Ethyl sulfate; Sulfuric acid diethyl ester; Diethyl sulphate; Diethylsulfate; Ethylsulfuric acid; Diethyl ester of sulfuric acid; UN1594
EINECS	200-589-6

Quality Control

Our Diethyl Sulfate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. We adhere to rigorous in-process and final release testing protocols. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 away from heat sources and incompatible materials. Due to its hygroscopic nature, containers should be kept tightly sealed to prevent moisture absorption. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as H2SO4)	≤ 0.5%
Specific Gravity (20°C)	1.172 - 1.182

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