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Common, Generic and Trade Names of Chemicals

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University
Veer Bahadur Singh Purvanchal University
Faculty
Faculty of Science
Degree
Bachelor of Science
Semester
Semester 1
Subject
Industrial Chemistry
Branch
Paper 1

About this note

A single chemical substance may be known by different names depending on the purpose for which it is being used. In scientific research and education, chemicals are generally identified by their IUPAC names because these names are systematic and internationally accepted. However, in industries, pharmacies, laboratories, and commercial markets, the same chemical may also be referred to by its common name, generic name, or trade name. Understanding the differences between these naming systems is important because the same substance can appear under different names in textbooks, product labels, safety documents, and industrial catalogues.

Each type of name serves a specific purpose. While the IUPAC name accurately describes the chemical structure, common names are convenient for everyday use, generic names identify the active chemical ingredient, and trade names are used by manufacturers to market their products. Therefore, a basic knowledge of all these naming systems is essential for students of industrial chemistry.

1. Common (Trivial) Name

A common name, also called a trivial name, is a traditional name that became popular before systematic IUPAC nomenclature was introduced. Common names usually originate from the source of the compound, its appearance, its historical use, or the place where it was first discovered. These names are easy to remember but do not provide information about the chemical composition or molecular structure of the substance.

Although common names are not systematic, many of them are still widely used in laboratories, industries, and everyday life because they are familiar and convenient.

Examples of Common Names

Common Name IUPAC Name Chemical Formula
Baking soda Sodium hydrogen carbonate NaHCO3
Washing soda Sodium carbonate decahydrate Na2CO3.10H2O
Quicklime Calcium oxide CaO
Slaked lime Calcium hydroxide Ca(OH)2
Vinegar Dilute ethanoic acid solution CH3COOH

2. Generic Name

A generic name is the officially accepted name of the active chemical substance, particularly in pharmaceutical and healthcare industries. Unlike trade names, generic names are not owned by any company and can be used by all manufacturers producing the same active ingredient. Generic names are standardized and recognized by health authorities throughout the world.

The use of generic names ensures that doctors, pharmacists, and patients can identify medicines correctly regardless of the manufacturer. Generic medicines are chemically identical to branded medicines and produce the same therapeutic effect.

Examples of Generic Names

Generic Name Use
Paracetamol Pain reliever and fever reducer
Ibuprofen Anti-inflammatory medicine
Amoxicillin Antibiotic
Metformin Treatment of diabetes

3. Trade (Commercial or Brand) Name

A trade name, also known as a brand name, is the commercial name given to a product by the manufacturing company. Trade names are protected by trademark laws and are used for marketing and product identification. Different pharmaceutical or chemical companies may sell the same chemical substance under different trade names, even though the active ingredient remains the same.

Trade names are designed to be attractive, memorable, and easy to pronounce. They help manufacturers establish a unique identity for their products in the competitive market.

Examples of Trade Names

Generic Name Example of Trade Name
Paracetamol Crocin®, Dolo 650®
Ibuprofen Brufen®
Amoxicillin Mox®, Novamox®
Metformin Glycomet®
Note:
The trade names listed above are examples used to explain the concept. The same generic medicine may be marketed under different brand names by different pharmaceutical companies in different countries.

Difference Between Common, Generic, and Trade Names

Common Name Generic Name Trade Name
Traditional or local name. Official name of the active chemical substance. Commercial name assigned by a manufacturer.
May vary from place to place. Accepted internationally. Protected by trademark laws.
Does not describe the structure systematically. Used in medicine and scientific practice. Used mainly for marketing purposes.
Anyone may use the name. Anyone may use the name. Only the trademark owner has legal rights.

Importance in Industrial Chemistry

Knowledge of different naming systems is essential in industrial chemistry because chemicals are manufactured, transported, stored, and marketed under various names. Scientists generally use IUPAC names in research papers, while industries may use common names in routine operations and trade names for commercial products. Pharmaceutical industries rely heavily on generic names to ensure that medicines are correctly identified and prescribed. Understanding these naming conventions helps prevent confusion, improves communication, and ensures the safe handling and proper use of chemicals.

Key Points to Remember

  • IUPAC names are systematic and internationally accepted.
  • Common names are traditional names that are easy to remember.
  • Generic names identify the active chemical ingredient.
  • Trade names are commercial brand names used for marketing.
  • A single chemical may have an IUPAC name, a common name, a generic name, and several trade names.

With the study of chemical nomenclature now complete, the next major topic of this unit focuses on Catalysis, beginning with its definition, characteristics, and importance in modern chemical industries.

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