Pharmaceutical Excipients is recognised internationally as the world’s most authoritative source of information on excipients.

The definitive summary of pharmacopeia specifications and the regulatory status of excipients, providing you with a one stop resource when researching an excipient for use


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Extensive information on the uses and properties of excipients, including pharmacopeias, patents, manufacturer’s data and more

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Featuring educational chapters on the characteristics of excipients in formulations, along with comparative data on different grades from the same or different suppliers – helping you compare and contrast


excipient monographs


excipient synonyms, trade and generic names


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Publication Updates

12 May
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Pharmaceutical Excipients May 2020 Update

This update contains 44 updated monographs, 1 new chapter on excipient selection for inhaled formulations, and 1 new monograph for Silicon Dioxide, Hydrated. Hydrophobic Colloidal Silica has been renamed Silicon Dioxide, Hydrophobic; and Colloidal Silicon Dioxide has been renamed Silicon Dioxide, Anhydrous. The British Pharmacopoeia, European Pharmacopoeia, and USP-NF information has been globally updated.

New chapter: Formulation Considerations for Orally Inhaled Dosage Forms

New monograph: Silicon Dioxide, Hydrated.

Revised monographs: Aliphatic Polyesters; Ammonium phosphate; Ammonium sulfate; Benzethonium Chloride; Benzoic acid; Butylated Hydroxyanisole; Butyl Stearate; Butylated Hydroxytoluene; Calcium Chloride; Calcium Hydroxide; Calcium Silicate; Castor Oil, Hydrogenated; Cetyl Alcohol; Copovidone; Croscarmellose Sodium; Cyclomethicone; Ethylene Glycol Vinyl Alcohol Copolymer; Hexetidine; Hydroxyethyl Cellulose; Hypromellose; Hypromellose Acetate Succinate; Hypromellose Phthalate; Inulin; Isopropyl Alcohol; Linoleic acid; Lysine Hydrochloride; Maleic Acid; Maltodextrin; Maltol; Monoethanolamine; Palm kernel oil; Petrolatum; Polyethylene Oxide; Polyvinyl alcohol; Potassium Benzoate; Shellac; Sodium Ascorbate; Sodium Carbonate; Sodium Sulfite; Sorbitol; Sunflower Oil; Suppository Bases, Hard Fat; Titanium Dioxide; Zinc Oxide.

12 Nov
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Pharmaceutical Excipients November 2019 Update

This update contains 34 updated monographs, 4 new spectral images and an initial revalidation of the Suppliers Directory. The European Pharmacopoeia, and USP-NF information has been globally updated. 

Revised monographs: Ascorbic Acid; Bentonite; Benzyl Alcohol; Colophony; Crospovidone; Dextran; Dibutyl Sebacate; Diethyl Sebacate; Fructose; Fumaric Acid; Gelatin; Hydroxyethyl-β-cyclodextrin; Kaolin; Lactitol; Mannitol and Sorbitol; d-Mannose; Mineral Oil and Lanolin Alcohols; Oleyl Alcohol; Poloxamer; Polymethacrylates; Polyoxyl 15 Hydroxystearate; Potassium Hydroxide; Povidone; Sodium Lactate; Sodium Thiosulfate; Squalane; Starch, Sterilizable Maize; Sucrose Stearate; Talc; Trimethyl-β-cyclodextrin; Wax, Microcrystalline; Wax, White; Wax, Yellow; Xanthan Gum. 

Minor Updates: New SEMs for Poloxamer.

14 May
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Pharmaceutical Excipients May 2019 update

This update contains 52 updated monographs, 2 new Chapters, over 50 new chemical structure graphics and the revalidation of the Regulatory status of over 50 Excipient monographs. The British Pharmacopoeia, European Pharmacopoeia, and USP-NF information has been globally updated.

New Chapters: Biological Effects of Pharmaceutical Excipients and The Selection of Excipients for Injectable Formulations.

Revised Monographs: Acetone, Adipic Acid, Aluminum Hydroxide Adjuvant, Aluminum Phosphate Adjuvant, Ascorbyl Palmitate, Boric Acid, Calcium Carbonate, Calcium Lactate, Calcium Phosphate Tribasic, Cellulose Acetate, Cellulose Acetate Phthalate, Cellulose Microcrystalline, Citric Acid, Diethanolamine, Docusate Sodium, Erythritol, Gluconolactone, HydrochloricAcid, Hydroxyethylpiperazine Ethane Sulfonic Acid, Isopropyl Isostearate, Isopropyl Myristate, Lactic Acid, Lauric Acid, Lecithin, Magnesium Carbonate, Malic Acid, Meglumine, Octyl Gallate, Paraffin, Peanut Oil, Phenylethyl Alcohol, Phenylmercuric Acetate, Phenylmercuric Borate, Phenylmercuric Nitrate, Phospholipids, Potassium Alum, Potassium Chloride, Potassium Metaphosphate, Potassium Nitrate, Pyrrolidone, Simethicone, Sodium Borate, Sodium Chloride, Sodium Citrate Dihydrate, Sodium Hydroxide, Sodium Phosphate Dibasic, Sodium Propionate, Soybean Oil, Starch Pregelatinized, Stearyl Alcohol, Sucrose Palmitate, Sugar Confectioner’s.

13 Nov
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Pharmaceutical Excipients November 2018 update

This update contains an updated About Pharmaceutical Excipients, which includes a list of when each excipient first appeared in the Pharmaceutical Excipients, 4 new monographs, and 47 updated monographs.  

New monographs: Glutamic acid, Glyceryl Monolinoleate, Propylene Glycol Dicaprylate/Dicaprate, and Propylene Glycol Monocaprylate.

Revised monographs: Acetone Sodium Bisulfite, Albumin, Butylparaben, Calcium Silicate, Calcium Stearate, Calcium Sulfate, Carbon Dioxide, Cellulose Silicified Microcrystalline, Chlorhexidine, Corn Syrup Solids, Diethylene Glycol Monoethyl Ether, Dimethyl Ether, Ethylene Glycol Stearates, Ethylene vinyl acetate, Ethylparaben, Guar Gum, Hydrogen Peroxide, Lysine Acetate, Magnesium Silicate, Magnesium Sulfate, Magnesium Trisilicate, Methylparaben,  Nitrogen, Octyldodecanol, Oleic acid, Olive Oil, Pentetic Acid, Phenol, Polyoxylglycerides, Potassium Metabisulfite, Potassium Sorbate, Propylparaben Sodium, Propylparaben, Sodium Formaldehyde Sulfoxylate, Sodium Stearate, Stearic Acid, Sulfur Dioxide, Sulfuric Acid, Talc, Thimerosal, Thymol, Titanium Dioxide, Tragacanth, Trehalose, Vegetable Oil Hydrogenated, Wax Cetyl Esters, Zinc Stearate.

14 May
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Pharmaceutical Excipients May 2018 update

This update contains the introduction of the prelim record Pharmaceutical excipients assessed by the FDA Select Committee on GRAS Substance (SCOGS), updated information about the Editors, and 35 updated monographs.

Revised monographs: Bronopol, Calcium actetate, Calcium Phosphate Dibasic Anhydrous, Calcium Phosphate Dibasic Dihydrate, Calcium Stearate, Cetyl Alcohol, Chlorofluorocarbons (CFC), Chloroxylenol, Ethylcelluloseethylene glycol and vinyl alcohol grafted copolymer, Hydrocarbons (HC),Hydroxypropyl cellulose low-substituted, Lauric acid, Magnesium stearate, Monosodium glutamate, Monothioglycerol, Myristic acid, Palmitic acid, Potassium citrate, Propyl gallate, Propylene carbonate, Pyroxylin, Safflower oil, Sesame oil, Sodium lauryl sulfate, Sodium phosphate monobasic, Sodium stearate, Sorbitan esters (Sorbitan fatty acid esters), Stearic acid, Sugar spheres, Tragacanth, Tromethamine, Wax carnauba, Xanthan gum.

04 Nov
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Pharmaceutical Excipients November 2017 update

This update contains 15 updated monographs.

Revised monographs: Chlorobutanol, Chlorocresol, Colloidal silicon dioxide, Hydrophobic colloidal silica, Isomalt, Magnesium stearate, Maltitol, Maltitol solution, Maltose, Methylcellulose, Sodium benzoate, Sodium stearyl fumarate, Sugar, compressible; Sugar, confectioner’s; Xylitol.