---
title: Diethyl Phthalate
date: 2025-02-21T09:32:30Z
modified: 2026-09-14T06:46:52Z
permalink: "https://allanchem.com/diethyl-phthalate/"
type: page
status: publish
excerpt: ""
wpid: 2829
timestamp: 2026-09-14T06:46:52Z
tags: []
---

##### CAS Number

84-66-2















##### grade

Na















##### pacakging

Various







































Diethyl Phthalate is an organic compound with the chemical formula C12H14O4. It is commonly used as a plasticizer to impart flexibility and durability to plastics, particularly PVC (polyvinyl chloride)
**Chemical Formula:** C₁₂H₁₄O₄
**Appearance:** A white to yellowish powder or crystalline solid.
**Uses:**
**Cosmetics and Personal Care Products:** Diethyl phthalate is utilized as a solvent and fixative in the formulation of fragrances and perfumes. It helps dissolve and stabilize aromatic compounds, essential oils, and fragrance ingredients, ensuring their uniform dispersion and long-lasting scent.
**Pharmaceuticals:** In pharmaceutical formulations, diethyl phthalate is sometimes used as a plasticizer in tablet coatings to improve film formation and tablet disintegration properties. It aids in the uniform distribution of coating materials and enhances tablet appearance.
**Plasticizer:** Primarily used as a plasticizer in the production of polyvinyl chloride (PVC) and other polymer-based materials. It enhances the flexibility, elasticity, and processability of PVC resin, making it suitable for applications in the construction, automotive, packaging, and consumer goods industries.
**Laboratory Solvent:** Acts as a solvent in laboratory settings for applications, including chromatography, spectroscopy, and chemical synthesis. It serves as a nonpolar solvent for dissolving and diluting organic compounds.
**Textile Printing:** It is considered a carrier solvent for dyes and pigments in textile printing processes. It helps disperse colorants evenly on fabric surfaces, ensuring vibrant and uniform printing results.







































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