Molekula
Copper(II) sulfate pentahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Copper(II) sulfate pentahydrate is a blue crystalline inorganic salt widely used as an algaecide in water treatment, a fungicide in agriculture, and a chemical reagent in laboratories. It also serves in copper plating, dyeing, and analytical chemistry for its strong copper(II) ion presence. This chemical has the CAS number 7758-99-8, with the molecular formula CuSO4·5H2O and a molecular weight of 249.69 g/mol. It must be stored at ambient conditions, with a signal word of "Danger" due to its hazardous properties. Molekula supplies Copper(II) sulfate pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — $49.40 per pack
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1 kg — $82.70 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Blue crystals |
| Identification | Conforms to reference |
| Assay | ≥98.0% |
| Cadmium (Cd) | ≤5ppm |
| Iron (Fe) | ≤200ppm |
| Lead (Pb) | ≤125ppm |
| Nickel (Ni) | ≤100ppm |
| Zinc (Zn) | 250 ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Odour | Odorless |
| Melting Point | 147.2 °C (dehydrates) |
| Boiling Point | 652.8 °C at 760 mmHg (decomposes) |
Source: PubChem CID 24463 (HSDB, CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 54865587 |
| CAS Number | 7758-99-8 |
| IUPAC Name | copper;sulfate;pentahydrate |
| Molecular Formula | CuSO4 · 5H2O |
| Molecular Weight | 249.69 |
| Exact Mass | 248.9342 |
| SMILES | O.O.O.O.O.[O-]S(=O)(=O)[O-].[Cu+2] |
| InChIKey | JZCCFEFSEZPSOG-UHFFFAOYSA-L |
| InChI | InChI=1S/Cu.H2O4S.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q+2;;;;;;/p-2 |
| PubChem CID | 24463 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2833.25.00.00 |
| Tariff Code | 2833250030 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- copper (2+) sulfate pentahydrate
- Copper sulfate pentahydrate
- copper sulphate(5.H2O)
- copper(2+) sulfate--water (1/5)
- COPPERFINE-ZINC
- CuSO4.5H2O
- CuSO4(H2O)5
- NATURAL CHALCANTHITE
- SULFURIC ACID, COPPER (2+) SALT (1:1), PENTAHYDRATE
- SULFURIC ACID, COPPER (2+) SALT, PENTAHYDRATE
Frequently asked questions
What is copper(II) sulfate pentahydrate commonly used for?
It is widely used as an algicide in water treatment, a fungicide in agriculture, a pigment in ceramics, and a nutrient in animal feed supplements.
What is the chemical formula and molecular weight of copper(II) sulfate pentahydrate?
The formula is **CuSO₄·5H₂O**, and the molecular weight is **249.69 g/mol**.
What is the recommended storage condition for copper(II) sulfate pentahydrate?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
What grades of copper(II) sulfate pentahydrate does Molekula supply?
We supply **technical-grade** and **ACS reagent-grade** copper(II) sulfate pentahydrate.
Can Molekula supply copper(II) sulfate pentahydrate in bulk quantities?
Yes, we offer bulk packaging options, including drums and totes, for large-scale orders.
What documentation comes with an order of copper(II) sulfate pentahydrate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **packing list**.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.