Cupric Chloride
Cupric chloride
CAS: 1344-67-8
Molecular Formula: ClCuH
Cupric Chloride - Names and Identifiers
Cupric Chloride - Physico-chemical Properties
| Molecular Formula | ClCuH |
| Molar Mass | 100 |
| Density | 3.386 g/mL at 25 °C(lit.) |
| Melting Point | 620 °C(lit.) |
| Boling Point | 993 °C |
| Appearance | Morphological powder |
| Storage Condition | 2-8°C |
| Physical and Chemical Properties | Physical and Chemical Properties Copper Chloride is CuCl2, yellow-brown powder with relative density of 3.386 (25 ℃), melting point of 620 ℃, solubility of 70.6 at 0 ℃, and soluble in ethanol and acetone. It is easy to absorb moisture from the air and become blue-green dihydrate CuCl2 · 2H2O,CuCl2 · 2H2O is a green orthorhombic crystal, deliquescent, and the relative density is 2.38. Chlorine and water can be passed into a metal copper. The contact tower is prepared, or it is prepared by the action of copper carbonate (actually basic copper carbonate) and hydrochloric acid. The hydrate loses water at 110 ℃, and anhydrous copper chloride can also be produced under the condition of heating to 140~150 ℃ in hydrogen chloride gas flow. Anhydrous copper chloride is further heated to 993°C and can be decomposed into white cuprous chloride and chlorine. X-ray studies have proved that copper chloride is a covalent compound and is a planar chain. |
| Use | Used as chemical reagents, mordants, oxidants, wood preservatives, food additives, disinfectants, as well as for making glass, ceramics, fireworks, hidden inks, and also used for deodorization and desulfurization of petroleum fractions, metal refining, Photography, etc. |
Cupric Chloride - Risk and Safety
| Hazard Symbols | N - Dangerous for the environment |
| Risk Codes | 52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3264 8/PG 3 |
| WGK Germany | 2 |
| RTECS | GL7000000 |
| FLUKA BRAND F CODES | 3 |
Cupric Chloride - Uses and synthesis methods
Chemical reaction
Reacts with concentrated hydrochloric acid to form copper tetrachloride (Ⅱ) acid; reacts with alkali metal chloride to form M2[CuCl4] type compound salt. Excessive chlorine gas is passed through red-hot copper to obtain anhydrous salt; after copper oxide is dissolved in concentrated hydrochloric acid, it is concentrated and crystallized to obtain dihydrate.
copper chloride reacts with ammonia to form dark blue copper ammonia complex Cu(NH3); It reacts with strong alkali to form light blue copper hydroxide Cu(OH)2 flocculent precipitate. It acts with reducing anions such as I-and CN-to form cuprous iodide CuI white precipitate and Cu(CN) complex.
copper chloride can be reduced to red cuprous oxide by glucose and other reducing agents in alkaline solution: 2Cu2 4OH- C6H12O6-& rarr;Cu2O 2H2O C6H12O7, diabetes can be tested by this reaction.
Preparation method
Copper chloride can be prepared by using hydrochloric acid as copper oxide CuO or copper carbonate (actually basic copper carbonate Cu(OH)2 · CuCO3).
category
Corrosive articles
Toxicity classification
Highly toxic
Acute toxicity
oral-rat LD50: 140 mg/kg
flammability hazard characteristics
Decompose toxic hydrogen chloride gas in water; corrosive
storage and transportation features
The warehouse is ventilated and dry at low temperature; stored separately from food ingredients
Fire extinguishing agent
Foam, CO2
Last Update：2024-04-10 22:29:15
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