Copper sulfate pentahydrate

$6.90

Shipping calculated at checkout.

Pickup available at eHouse Rishon

Usually ready in 24 hours

Reliable shipping

Flexible returns

Copper has been used in natural dyeing for centuries as a powerful modifier. It enhances and deepens shades, especially greens and blues, and brings a rich complexity to many plant-based dyes. A little goes a long way—use sparingly for subtle but striking effects.

Why Choose This Product?

Traditional dye modifier with historical roots.
Reliable for achieving deeper, richer shades.
Securely packed in a resealable pouch for easy storage.

Safety & handling

For textile dyeing and craft use only. Not for food, cosmetic, medical or household-cleaning use.

Hazard warning: Harmful if swallowed and capable of causing serious eye injury. Avoid all contact with eyes and mouth.
Environmental warning: Very toxic to aquatic life with long-lasting effects. Never release the powder, concentrated solutions or spent baths into drains, soil or waterways.
Do not use on textiles intended for babies or children, or on items likely to be mouthed.
Collect spills carefully without raising dust and keep the material out of the environment.
Keep out of reach of children and pets.
Avoid creating or breathing dust. Measure carefully in a well-ventilated work area and use suitable respiratory protection for fine particulates when dust cannot be avoided.
Wear suitable protective gloves, protective clothing and eye protection. Wash hands thoroughly after handling.
Do not eat, drink or smoke while using this product. Use dedicated tools and containers that will never be used for food.
Store tightly closed, dry, clearly labelled and away from food, drink and incompatible materials.
Eyes: Rinse cautiously with clean water for several minutes. Remove contact lenses if easy to do and continue rinsing. Seek urgent medical advice for persistent irritation, pain or impaired vision.
Swallowed or inhaled: Move to fresh air after inhalation. If swallowed, rinse the mouth and contact a poison centre or medical professional; do not induce vomiting unless instructed.

Important: Follow the package label and the current Safety Data Sheet for the exact product. Formal hazard classification can depend on chemical form, hydration, purity and composition. For the latest safety documentation, contact info@naturaldyestore.com.

Seller and safety contact: Natural Dye Store, Derech HaMaccabim 58, Rishon LeZion, Israel · info@naturaldyestore.com

Dissolve completely before use.

Recommended usage: 1–3% WOF as a modifier.

For external use only. Not edible.
Keep away from children and pets.
Wear gloves and mask when handling powders.
Avoid inhalation of dust and contact with eyes.

100% copper sulfate. For professional use only. Store out of reach of children and pets. Dispose of responsibly according to local environmental regulations.

Store in a cool, dry place away from direct sunlight. Reseal tightly after use.

Naturally derived and carefully processed from trusted sources to ensure safe use in dyeing and textile applications.

This product complies with the General Product Safety Regulation (EU) 2023/988 (GPSR).

Packed and distributed by The Natural Dye Store, eHouse Rishon, Derech HaMaccabim 58, 7535998 Rishon LeZion, Israel. Contact: Suzanne Tamar Dekel, info@naturaldyestore.com, +972 52-541-0033.