Molekula
Copper(II) sulfate pentahydrate, ACS Grade
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 (CuSO₄·5H₂O) is a blue crystalline inorganic salt widely used as a laboratory reagent, algicide, fungicide, and in electroplating, water treatment, and analytical chemistry. It meets ACS Grade standards for purity and consistency in research and industrial applications. This product has a CAS number of 7758-99-8, a molecular formula of CuSO₄·5H₂O, and a molecular weight of 249.69 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its toxicity and corrosive properties. Molekula supplies Copper(II) sulfate pentahydrate, ACS Grade 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.
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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1 kg — $76.50 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 |
| Grade | ACS Reagent |
| 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 |
Identification
| Property | Value |
|---|---|
| SKU | 90025392 |
| CAS Number | 7758-99-8 |
| Molecular Formula | CuSO4 · 5H2O |
| Molecular Weight | 249.69 |
| SMILES | O.O.O.O.O.[O-]S(=O)(=O)[O-].[Cu+2] |
| 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, French, German, Italian, Russian, 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
No alternate names recorded for this product.
Frequently asked questions
What is Copper(II) sulfate pentahydrate (ACS Grade) commonly used for?
It is widely used in laboratories for calibration of colorimeters, as a fungicide, in electroplating, and as a nutrient in cell culture media.
What is the chemical formula and molecular weight of Copper(II) sulfate pentahydrate?
The chemical formula is **CuSO₄·5H₂O**, and its molecular weight is **249.69 g/mol**.
What safety classification does Copper(II) sulfate pentahydrate (ACS Grade) have?
It carries the **Signal Word: Danger** due to its hazardous properties, including toxicity and corrosivity.
How should Copper(II) sulfate pentahydrate be stored?
Store in a tightly sealed container at **ambient temperature**, away from incompatible substances like strong oxidizers or metals.
Does Molekula supply Copper(II) sulfate pentahydrate in bulk quantities?
Yes, we offer bulk quantities of Copper(II) sulfate pentahydrate (ACS Grade) upon request—contact our sales team for pricing and logistics.
What documentation comes with an order of Copper(II) sulfate pentahydrate (ACS Grade)?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.