Copper Chloride (Copper II) Supplier in Malaysia
- Also known as
- copper(II) Chloride
- Cupric Chloride
- Copper Dichloride
- CuCl2
Copper chloride supplier for printed circuit board etching, catalyst, pigment and laboratory buyers in Malaysia. This page covers the copper(II) salt, sold as cupric chloride or copper dichloride, formula CuCl2. Copper(I) chloride, the cuprous salt CuCl, is a separate product and is ordered by name.
The dihydrate, CuCl2·2H2O, is the commonly traded solid and arrives as blue-green crystals or crystalline powder that dissolve readily in water. Anhydrous material is a yellow to brown powder for duties where water in the charge interferes. Made-up etching solution is also traded, for lines that would rather not dissolve crystals on site.
Etching is the dominant industrial use: the copper(II) ion strips copper from the panel and the bath is regenerated instead of discarded. Beyond that it works as a chlorination and oxidation catalyst in organic and petrochemical synthesis, as a copper input to pigment and dye chemistry, and as an analytical reagent.
Confirm the oxidation state and hydration form, then send the grade, assay basis, impurity limits, quantity and delivery point. The quotation sets out availability, pack format, documentation and timing.
- Formula
- CuCl2
- Grade
- technical, reagent
- Appearance
- blue-green to green crystals or crystalline powder as the dihydrate; yellow to brown powder as the anhydrous form; green to brown aqueous solution
Copper Chloride grades and forms
We supply several forms to suit different formulating and dosing setups. If you need a size that is not listed, ask us.
| Grade | Form | Assay | Typical use | Packing |
|---|---|---|---|---|
| Technical grade copper chloride dihydrate | blue-green crystals or crystalline powder | — | Etching and metal-finishing chemistry, pigment and dye manufacture and general industrial process work where the dihydrate crystal is the named input. | Bag or drum packing is agreed at quotation stage. |
| Anhydrous copper chloride | yellow to brown powder | — | Catalyst preparation and non-aqueous synthesis where the water carried by the dihydrate interferes with the reaction. Quoted separately from the dihydrate. | Bag or drum packing is agreed at quotation stage. |
| Reagent grade copper chloride dihydrate | blue-green crystalline powder | — | Analytical reagent, titration and standard solution preparation where impurity limits are held tighter than on a technical grade. | State the pack size wanted and it is priced with the offer. |
| Copper chloride etching solution | green to brown aqueous solution | — | Printed circuit board and metal photo-etching lines that dose a made-up cupric chloride etchant rather than dissolving crystals on site. | Drum or IBC packing is agreed at quotation stage. |
How to buy copper chloride from ChemTrade
Request a quote for copper chloride
Use the form below to request a quotation. You can also email sales@chemtrademalaysia.com or send us a message on WhatsApp.
Specifications
| Parameter | Value | Method |
|---|---|---|
| Oxidation state | copper(II), the cupric salt; copper(I) chloride is a separate product | — |
| Molecular formula | CuCl2 anhydrous; CuCl2·2H2O as the dihydrate | — |
| Appearance | blue-green to green crystals or crystalline powder as the dihydrate; yellow to brown powder anhydrous | — |
| Hydration form | the dihydrate is the commonly traded solid; anhydrous material is specified and quoted separately | — |
| CAS number (anhydrous) | 7447-39-4 | — |
| CAS number (dihydrate) | 10125-13-0 | — |
| Molar mass | approximately 134 anhydrous, approximately 171 as the dihydrate g/mol | — |
| Solubility | readily soluble in water | — |
| Hygroscopicity | hygroscopic; the dihydrate deliquesces in humid air | — |
| Assay basis | CuCl2 content or copper content stated on the hydration form being quoted | — |
| Key impurity limits | iron, insoluble matter, free acid, sulphate and copper(I) content as the etching, catalyst or laboratory specification requires | — |
Copper Chloride applications
Safety and handling
Store in closed containers in a dry, ventilated area, since the dihydrate deliquesces once air reaches it. Copper salts should not be ingested and can irritate skin and eyes, so keep dust down, wear gloves and eye protection and keep washings out of drains. Read the safety information issued with the grade quoted. Supply is subject to applicable requirements.
Common questions about copper chloride
Is copper chloride the same as cuprous chloride?
No, they are different products. This page covers copper(II) chloride, cupric chloride, CuCl2, the blue-green water-soluble salt used in etching and catalysis. Cuprous chloride is the copper(I) salt, CuCl, a white to grey poorly soluble and air-sensitive powder, so request copper(I) chloride by name when that is what the process needs.
Which hydration form of copper chloride is usually traded?
The dihydrate, CuCl2·2H2O, is the commonly supplied solid and arrives as blue-green crystals or crystalline powder. Anhydrous copper chloride is a yellow to brown powder used where water in the charge is a problem, and it is quoted separately. State which form the specification names.
How is copper chloride used to etch printed circuit boards?
The copper(II) ion oxidises metallic copper on the panel and dissolves it, producing copper(I) in the bath. Etching lines then regenerate the solution by oxidising that copper(I) back to copper(II), which is why the etchant is maintained rather than replaced. Send the bath specification and whether crystals or a made-up solution suits the line.
Which copper chloride grade should I request?
Technical grade covers etching, pigment and general process work, reagent grade suits analytical and standard solution duties, and a made-up etching solution suits lines that do not dissolve crystals on site. Send the assay basis and impurity limits, including any copper(I) limit, with the enquiry.
How should copper chloride be stored and handled?
Keep containers sealed in a cool, dry place, because the dihydrate is hygroscopic and deliquesces once air reaches it. Copper salts should not be ingested and can irritate skin and eyes, so keep dust down, wear gloves and eye protection and keep washings out of drains. Read the safety information issued with the grade quoted.
What details are needed for a copper chloride price enquiry?
Give the oxidation state, hydration form, grade, assay basis, impurity limits, quantity and delivery location, plus any documentation you need. The quotation carries a stated validity period because copper salt pricing follows the metal.