- Cupric chloride
- Copper dichloride
- Copper(II) chloride
A yellowish-brown powder (the anhydrous form) or a green crystalline solid (the dihydrate).
As catalyst for organic and inorg reactions, in petroleum industry as deodorizing, desulfurizing, purifying agent, as mordant for dyeing and printing textiles, as oxidizing agent for aniline dyestuffs, in indelible, invisible, and laundry marking inks, in metallurgy in wet process for recovering mercury from ores, in refining copper, silver, gold, in tinting baths for iron, tin, in electrotyping baths for plating copper or aluminum, in photography as fixer, desensitizer, and reagent, in producing color in pyrotechnic compositions, in manufacturing of acrylonitrile, fast black (melanin), in pigments for glass, ceramics, as feed additive, wood preservative, disinfectant.
Registry Numbers and Inventories.
R 22 37/38 41
S 26 36/37/39
Mutagen; Reproductive Effector
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
0.1 (500 C)
Solubility in water
2.2 cp (550 C)
Heat of fusion
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Wash thoroughly after handling. Wash hands before eating. Use only in a well ventilated area. Do not breathe dust, vapor, mist, or gas. Do not get on skin or in eyes. Do not ingest or inhale.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.
Stable under normal temperatures and pressures.
Moisture, alkali metals, potassium, sodium, nitromethane, hydrazine, and sodium hypobromite.
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.)
It is noncombustible.
Contact with metals may evolve flammable hydrogen gas.
Irritating hydrogen chloride gas may form in fire.
NIOSH REL*: TWA 1 mg/m3 OSHA PEL*: TWA 1 mg/m3 [*Note: REL and PEL also apply to other copper compounds (as Cu) except copper fume.] IDLH 100 mg/m3 (as Cu)
Prolonged or repeated skin contact may cause dermatitis. May cause liver and kidney damage.
Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Harmful if inhaled. Dust is irritating to the respiratory tract. May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
Causes skin irritation. Causes redness and pain.
Causes eye irritation. May result in corneal injury. Causes redness and pain.
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
USCG CHRIS Code