Hard fat pessary base delivering enhanced spreadability within the vaginal cavity and good mechanical resistance. Non-irritant providing excellent mucosal tolerance.

Names & synonyms

USP NF Name

Mixture of hard fat, glyceryl ricinoleate and ethoxylated fatty alcohols

EP Name

Mixture of hard fat, glyceryl ricinoleate and ethoxylated fatty alcohols

UNII Code (FDA)

8334LX7S21 ZUE0CEL42O YRC528SWUY

Preferred Substance Name (FDA)

Hard fat glyceryl ricinoleate Polyoxyl 20 cetostearyl ether

Handbook of Pharmaceutical Excipients

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Chemical description

Consists of a mixture of mono-, di- and triglyceride esters of fatty acids (C10 to C18), the triester fraction being predominant and esters of ricinoleic (C18:1) acid and ethoxylated fatty alcohols

Key characteristics

Product form

Pellets

Melting range (°C)

31.5 - 33.0

Hydroxyl value (mg KOH/g)

60 - 70

ovucire 3460 thermorheogram

Main functionalities

Good mechanical resistance. Enhanced spreadability of the formulation for vaginal delivery.

Main formulation technologies

Pessary molding.

Associated content

Hard fats for pessaries

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Alternative dosage forms for rectal and vaginal drug delivery

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