Diethyl Sulfate, also known as diethyl sulphate with CAS Number 64-67-5. It appears as a clear, colorless to slightly oily liquid.
Diethyl Sulfate is a versatile organosulfur compound widely used as a powerful ethylating agent in organic synthesis, dye manufacturing, pharmaceuticals, and textile processing.

 

Technical Specifications

ITEMS SPECIFICATIONS
Appearance Colorless transparent oily liquid
Purity ≥99.5%
Density 20℃ 1.170-1.180 g/ml
Color (Pt-Co) ≤20 Hazen
Moisture Content ≤0.1%
Free Acidity as H2SO4 ≤0.03%

 

Package & Storage

  • Net weight 230kg/250kg drum, 1100kg IBC.
  • Store in a cool, dry, and well-ventilated warehouse.

 

Key Benefits of Diethyl Sulfate

Powerful Ethylating Agent:
Efficiently introduces ethyl groups into amines, phenols, thiols, and other organic compounds for precise synthesis.

Versatile Intermediate:
Essential for producing dyes, pigments, quaternary ammonium compounds (quats), surfactants, and specialty chemicals.

High Reactivity:
Supports efficient esterification and alkylation processes in controlled industrial settings.

Industrial Reliability:
Widely used in the production of aliphatic ethers, amines, esters, and textile auxiliaries.

 

Applications and Uses of Diethyl Sulfate

Diethyl Sulfate is a critical ethylating agent across multiple industries:

Chemical Synthesis and Manufacturing

  • Primary ethylating agent for producing ethyl derivatives of amines, phenols, and thiols.
  • Key intermediate in the manufacture of dyes, pigments, and textile chemicals.
  • Production of quaternary ammonium compounds (quats) used in surfactants and detergents.

Pharmaceuticals and Agrochemicals

  • Used in the synthesis of active pharmaceutical ingredients (APIs) and specialty medicines.
  • Intermediate for certain agricultural chemicals and laboratory reagents.

Textiles and Dyes

  • Textile finishing agent to improve fabric properties such as wrinkle resistance and absorbency.
  • Dye-set agent in carbonless paper and pigment production.

Other Industrial Uses

  • Flavor and fragrance synthesis.
  • Coatings, personal care products, and household chemical intermediates.
  • Accelerator in sulfation processes and general esterification reactions.

 

Frequently Asked Questions (FAQs)

Q: What is Diethyl Sulfate primarily used for?
A: It is mainly used as a powerful ethylating agent in organic synthesis for the production of dyes, pigments, textile chemicals, surfactants, and pharmaceutical intermediates.

Q: Does Diethyl Sulfate dissolve in water?
A: It reacts slowly with water (hydrolyzes) to form ethanol and sulfuric acid. It has limited solubility and is not recommended to mix directly with water.

Q: What industries use Diethyl Sulfate?
A: Key sectors include dyes and pigments, pharmaceuticals, textiles, surfactants/detergents, agrochemicals, and fine chemical synthesis.

Q: How should Diethyl Sulfate be stored?
A: Store in tightly sealed, corrosion-resistant containers in a cool, dry, well-ventilated area protected from moisture and incompatible substances.

 

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