Copper oxychloride is a green powder used as blue color agent, is a basic copper chlorid:

| Synonym | Dicopper chloride trihydroxide | Molecular Formula | CuCl23Cu(OH)2 |
| CAS No | 1332-65-6 | Molecular Weight | 115 g/mol |
| Sr. No. | PARTICULARS | SPECIFICATION |
| 1. | Appearance | Bluish Green free flowing powder |
| 2. | Purity | Min. 97% |
| 3. | Identity test | Pass to test |
| 4. | Total copper content | 58.0 % m /m min. |
| 5. | Copper soluble in water | 5800 ppm max. |
| 6. | Arsenic | 58 ppm max. |
| 7. | Lead | 290 ppm max. |
| 8. | Cadmium | 58 ppm max. |
| 9. | Loss on drying | 2.0 % m/m max. |
| 10. | pH | 6-8 |
| 11. | Packing | LDPE lined HDPE bags of 25 kg. As per customer’s requirement in bulk bag up to 1 MT in big sack |