Copper sulfate
Learn what Copper sulfate (E519) is, why it's added to food, whether it's safe, and which products contain it.
Generally recognized as safeWhat is Copper sulfate?
Copper sulfate typically appears as blue crystals. When consumed, it has a faint metallic taste. It dissolves in water, methanol, and hydrochloric acid.
Is Copper sulfate banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Is Copper sulfate okay for kids?
Not permitted in foods intended for infants and small children.
How to spot Copper sulfate on labels
Look for any of these names in the ingredients list:
- E519
- Copper sulfate
Common misspellings to watch for:
- copper sulfdte
- copper sultate
- codper sulfate
- eopper sulfate
- copper $ulfate
- copper suliate
- copder sulfate
- copper sulfate
Better alternatives
• Excessive consumption of copper sulfate can cause copper poisoning, which has toxic effects on the liver and kidneys. • People with pre-existing liver or kidney conditions should avoid products containing copper sulfate as it can accumulate in the body and cause irreparable damage. • It is dangerous for pregnant and breastfeeding women as copper sulfate can negatively affect fetal development or pass into breast milk. • Copper sulfate supplements should not be used without medical supervision as they may interfere with the absorption of other essential minerals, such as zinc and iron. • In large doses, copper sulfate can cause nausea, vomiting, abdominal pain, diarrhea, and even severe internal organ damage in extreme cases.
Also known as
- copper sulfdte
- copper sultate
- codper sulfate
- eopper sulfate
- copper $ulfate
- copper suliate
- copder sulfate
- copper sulfate
Scan products with BioBrief
Not sure if a product contains Copper sulfate? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E519 — with a plain-language explanation.
Frequently asked questions about Copper sulfate
- Is Copper sulfate safe to eat?
- Copper sulfate has a harm level of 0 out of 3. Generally recognized as safe.
- Is Copper sulfate banned anywhere?
- Copper sulfate is not currently banned in the EU or known to be restricted in other countries.
- Is Copper sulfate safe for children?
- Not permitted in foods intended for infants and small children.
- How do I spot Copper sulfate on a food label?
- Look for E519, Copper sulfate in the ingredients list. It may also appear as: copper sulfdte, copper sultate, codper sulfate.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.