Copper chloride

  • Cupric chloride
  • Copper dichloride
  • Copper(II) chloride
Formula
CuCl2
Structure
Description
A yellowish-brown powder (the anhydrous form) or a green crystalline solid (the dihydrate).
Uses
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.
CAS
7447-39-4
EC (EINECS/ELINCS)
231-210-2
R 22 37/38 41
S 26 36/37/39
RTECS
GL7000000
RTECS class
Mutagen; Reproductive Effector
UN (DOT)
2802
Merck
13,2660
Beilstein/Gmelin
9300 (G)
Swiss Giftliste 1
G-1016
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
Cl2Cu
Formula mass
134.45
Melting point, °C
628
Boiling point, °C
1365.85
Vapor pressure, mmHg
0.1 (500 C)
Density
3.054 g/cm3
Solubility in water
Soluble
Viscosity
2.2 cp (550 C)
Thermal expansion
0.00021/K
Heat of fusion
13.9 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
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.
Protection
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.
Respirators
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.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Moisture, alkali metals, potassium, sodium, nitromethane, hydrazine, and sodium hypobromite.
Decomposition
Hydrogen chloride.

Fire.
Fire fighting
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.)
Fire potential
It is noncombustible.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Irritating hydrogen chloride gas may form in fire.
Health
2
 
Flammability
0
 
 
Reactivity
0
 
 
Special
O

Health.
Exposure limit(s)
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)
Poison_Class
3
Exposure effects
Prolonged or repeated skin contact may cause dermatitis. May cause liver and kidney damage.
   Ingestion
Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
Harmful if inhaled. Dust is irritating to the respiratory tract. May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
   Skin
Causes skin irritation. Causes redness and pain.
   Eyes
Causes eye irritation. May result in corneal injury. Causes redness and pain.

First aid
 
   Ingestion
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.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
2802
Response guide
Hazard class
8
Packing Group
III
 
USCG CHRIS Code
CPC