Short answer: there isn’t a public, single figure for “the production cost” of guaifenesin. The cost to manufacture it per kilogram depends on the specific synthesis route, yield, scale, location, energy and utility costs, labor, waste handling, and GMP/regulatory requirements. Public data are usually about API prices (what buyers pay) rather than exact production costs.
What you’re likely looking for
- If you want a rough idea of market pricing for the API (bulk, GMP-grade): guaifenesin API typically trades in the tens to low hundreds of USD per kilogram, depending on grade, quantity, and supplier. Very large-volume or non-GMP grades can be cheaper; very small or highly purified GMP batches can be more expensive.
- If you want an estimate of the actual manufacturing cost per kg (cost to produce in a plant): that requires a plant-specific model (raw-material costs, solvent and energy use, waste treatment, labor, depreciation, quality control, and overhead). It will usually be a bit higher than the raw-material cost per kg because of yields, rejects, and facility costs.
Key cost drivers
- Raw materials: cost and availability of guaiacol, glycerol/glycerol derivatives, catalysts, solvents.
- Process yield and efficiency: higher yield lowers cost per kg; purification losses matter a lot.
- Scale: larger production reduces per-kg overhead (economies of scale).
- Energy and utilities: heating, cooling, solvents, water treatment.
- Labor and manufacturing overhead: site personnel, maintenance, facility depreciation.
- GMP/regulatory compliance: QA/QC, validation, traceability, and regulatory filings add notable cost.
- Waste treatment and environmental controls: disposal and permits can be significant.
- Purity/specification: higher purity (USP, EP grades) costs more due to more stringent controls and purification.
- Packaging, storage, and distribution: final API packaging and handling.
If you want, I can help you build a simple rough cost model. For example, tell me:
- Target annual production volume (kg/year)
- Desired API purity/grade (GMP API, USP grade, etc.)
- Estimated yield (fraction of starting materials that ends up as guaifenesin)
- Local costs for raw materials, energy, and labor (per kg or per hour)
- Any planned waste-treatment or regulatory costs
With those, I can lay out a ballpark per-kg production cost and compare it to typical API price ranges.