Percent Yield
| Formula / Notation | % yield = (actual yield / theoretical yield) × 100% |
|---|---|
| Also Known As | Percentage yield, reaction yield, product yield, % yield |
What is Percent Yield?
The ratio of actual yield to theoretical yield, expressed as a percentage: % yield = (actual/theoretical) × 100%. Values less than 100% result from incomplete reactions, side reactions, and product loss during handling. Optimizing yield is important in industrial chemistry.
Formula & Notation
Other Names / Synonyms: Percentage yield, reaction yield, product yield, % yield
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
The ratio of actual yield to theoretical yield, expressed as a percentage: % yield = (actual/theoretical) × 100%. Values less than 100% result from incomplete reactions, side reactions, and product loss during handling. Optimizing yield is important in industrial chemistry.
Percent yield is used in: evaluating the efficiency of a chemical synthesis, comparing different synthetic routes, process optimisation in industrial chemistry, pharmaceutical process development (yield improvement reduces cost and waste), and in academic laboratories for reporting experimental resu…
Low percent yield can indicate unwanted side reactions producing hazardous by-products. In pharmaceutical synthesis, low yield steps that are difficult to improve may require engineering controls to manage the waste streams. Scale-up of low-yield steps generates larger quantities of waste, increasin…
The formula or notation for Percent Yield is: % yield = (actual yield / theoretical yield) × 100%