Flavors, Fragrances & Aroma Chemicals worked example

Reaction Yield at 63% target reaction yield: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop target reaction yield to 63%, then walk the calculation through step by step. Calculate reaction or conversion yield for an aroma chemical process by comparing isolated accepted product with theoretical product weight.

The inputs for this scenario

  • Accepted isolated product weight: 188 kg (held at the documented default)
  • Theoretical (stoichiometric) product weight: 215 kg (held at the documented default)
  • Target reaction yield: 63 % (the input this scenario stresses; the baseline uses 88)

Working through the calculation

  • The calculation starts from the formula this tool documents: Reaction Yield rate = accepted isolated product weight ÷ theoretical product weight × 100.
  • Reaction Yield rate works out to 87.44 % at these inputs, and this is the headline figure for the scenario.
  • Reaction Yield gap to target works out to -24.44 points at these inputs.
  • Accepted isolated product weight works out to 188 kg at these inputs.
  • Theoretical product weight works out to 215 kg at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where target reaction yield sits at 88% and the headline result is 87.44 %, this scenario lands almost exactly on the baseline at 87.44 %.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to target reaction yield, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It compares to theoretical weight only; it does not account for purity, so a high mass yield of off-spec material can flatter a reaction that actually underperformed on assay.

Results at a glance

  • Reaction Yield rate: 87.44 % (headline result)
  • Reaction Yield gap to target: -24.44 points
  • Accepted isolated product weight: 188 kg
  • Theoretical product weight: 215 kg

Run it with your numbers

  • To rerun this with your own numbers, open the live Reaction Yield calculator, set target reaction yield to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.