---
title: Diethyl Phthalate NF
date: 2025-02-21T09:32:28Z
modified: 2026-09-14T06:39:40Z
permalink: "https://allanchem.com/diethyl-phthalate-nf/"
type: page
status: publish
excerpt: ""
wpid: 2828
timestamp: 2026-09-14T06:39:40Z
tags: []
---

##### CAS Number

84-66-2















##### grade

NF, Perfume















##### packaging

Metal Drum







































Diethyl Phthalate NF (National Formulary) is a pharmaceutical-grade version of diethyl phthalate. It is a member of the phthalate ester family and is commonly used as a plasticizer in pharmaceutical formulations and as a fixative in perfumes.
**Chemical Formula:** C₁₂H₁₄O₄
**Appearance:** A colorless, odorless, and oily liquid organic compound
**Uses:**
**Pharmaceuticals:** Diethyl Phthalate NF is used as an excipient in pharmaceutical formulations, particularly in oral solid dosage forms such as tablets and capsules. It acts as a plasticizer, imparting flexibility to the tablet or capsule shell and aiding in the disintegration of the dosage form in the gastrointestinal tract.
**Fixative:** In the perfume industry, it is used as a fixative to enhance the longevity and stability of fragrance compositions. It helps retain the aroma of volatile perfume ingredients on the skin by slowing down their evaporation rate.
**Cosmetics:** This compound may be used as a solvent or diluent in cosmetic formulations, including lotions, creams, and personal care products. It helps dissolve and stabilize lipophilic and hydrophobic ingredients, ensuring their uniform dispersion and smooth application.
**Additional Applications:** It can serve as a laboratory reagent in analytical chemistry and research applications. It may be utilized as a solvent, diluent, or carrier for chemicals and compounds in laboratory experiments and procedures.







































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