Intermediates

Diethyl Phthalate

  • CAS No.84-66-2
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Diethyl Phthalate (CAS 84-66-2), a key intermediate in the synthesis of anticoagulant rodenticides and specialty agrochemicals.

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Product Technical Details

Product Overview

Diethyl Phthalate is a high-purity aromatic ester widely utilized as a chemical intermediate in the pharmaceutical and agrochemical industries. With a molecular formula of C12H14O4 and a molecular weight of 222.24 g/mol, it serves as a critical building block in the synthesis of specialized active ingredients, particularly in the production of anticoagulant rodenticides such as Chlorophacinone, Pindone, and Diphacinone.

Specifications

Molecular FormulaC12H14O4
Molecular Weight222.237 g/mol
AppearanceColorless liquid
Assay≥99.0%
Loss on Drying≤0.5%
Melting Point−3 °C (lit.)
Boiling Point294.0 ± 0.0 °C at 760 mmHg
Density1.1 ± 0.1 g/cm³
Flash Point160.0 ± 0.0 °C
Water Solubility1 g/L at 20 °C
Vapour Pressure0.0 ± 0.6 mmHg at 25 °C
LogP2.70
Refractive Index1.508
StabilityStable under recommended storage conditions. Combustible. Incompatible with strong oxidizing agents, strong acids, and alkalis.

Industrial Applications

Diethyl Phthalate is primarily employed as a synthetic intermediate in the manufacture of anticoagulant rodenticides, including Chlorophacinone (CAS 3691-35-8), Pindone (CAS 83-26-1), and Diphacinone (CAS 82-66-6). Its reliable reactivity and consistent purity make it suitable for controlled multi-step organic syntheses in regulated agrochemical production environments. It is not intended for use in consumer-facing formulations such as cosmetics or nutraceuticals.

For industrial clients, we offer this compound in standard 25 kg drums, with custom packaging available upon request. Storage should be in a cool, dry, and well-ventilated area with containers tightly sealed to maintain stability and prevent contamination.