Zinc Sulfate Monohydrate: Uses, Applications & Buying Guide for Canadian Labs and Manufacturers
Zinc sulfate monohydrate, ZnSO₄·H₂O, is a source of zinc — a trace element essential for enzyme activity, protein structure, and cellular metabolism in microorganisms. Third Space Bio supplies it at practical prices, so nutrient optimization work doesn't stall over a small but essential line item.
At a glance
| CAS Number | 7446-19-7 |
|---|---|
| Formula | ZnSO₄·H₂O |
| Common name | Zinc sulfate monohydrate |
| Pack sizes | 500 g ($27), 1 kg ($45) |
| Ships from | Peterborough, ON — Canada-wide delivery |
Applications
Trace element in culture media
Zinc is a cofactor for a wide range of enzymes and plays a structural role in many proteins — zinc sulfate is a common, well-characterized way to supply this trace element in defined and semi-defined culture media formulations.
Fermentation & bioprocessing
In fermentation systems, adequate zinc availability supports metabolic function and can influence growth rate and productivity, making it a routine addition in nutrient optimization work.
Nutrient optimization studies
Researchers studying how trace element availability affects microbial growth or metabolite production frequently use zinc sulfate as a controllable, quantifiable zinc source.
Where it fits for food, pharma & research buyers
Zinc sulfate's buyer base is concentrated in research and institutional labs running fermentation or nutrient optimization work — a smaller, more specialized audience than dextrose or citric acid, but a consistent reorder item for the labs that use it. As a compound, zinc sulfate also has some adjacency to the supplement and nutraceutical space as a mineral source — worth keeping in mind for broader outreach, though any use in a consumable product requires certification Third Space Bio's product doesn't carry.
Zinc sulfate vs. other zinc sources
| Compound | Solubility | Typical use case |
|---|---|---|
| Zinc sulfate monohydrate | Highly water-soluble | Culture media, fermentation nutrient supplementation |
| Zinc chloride | Highly water-soluble, hygroscopic | Similar applications; chloride ion may be undesirable in some formulations |
| Zinc oxide | Poorly water-soluble | Less suited to liquid media; more common in solid or topical formulations |
Zinc sulfate's high solubility and well-understood behavior in aqueous media are why it's the default zinc source for most culture media work, over less soluble alternatives like zinc oxide.
Frequently asked questions
As a trace element source in culture media and fermentation systems, supporting enzyme function and metabolic activity in microorganisms.
Zinc is a required cofactor for many microbial enzymes — without adequate zinc availability, growth and metabolic output can be limited even when other nutrients are sufficient.
No — the monohydrate form includes one water molecule per unit, which affects the concentration of elemental zinc per gram compared to the anhydrous salt.
Yes — in 500 g and 1 kg packs, with calculated Canada Post shipping at checkout.
See also: Reagents for Labs & Universities and Reagents for Craft & Hobbyist Fermentation Projects.
Browse pack sizes and order Zinc Sulfate Monohydrate directly — part of Third Space Bio's mission to make reliable reagents accessible, not a bottleneck, for Canadian research and innovation.
