Manganese(II) chloride tetrahydrate

  • Manganous dichloride, tetrahydrate
Formula
MnCl2.4H2O
Structure
Description
Red solid or pink powder.

Registry Numbers and Inventories.
CAS
13446-34-9
EC (EINECS/ELINCS)
231-869-6
R 22 36/37/38 48/20/22
S 22 26 36/37/39
RTECS
OO9650000
RTECS class
Mutagen; Reproductive Effector
Merck
13,5751
Beilstein/Gmelin
11866 (G)
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
Cl2H8MnO4
Formula mass
197.90
Melting point, °C
58-59
Density
2.01 g/cm3
Solubility in water
1980 g/L

Hazards and Protection.
Storage
Store in a tightly closed container.
Handling
Wash hands before eating. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
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. Avoid generating dusty conditions.
Stability
Stable under normal shipping and handling conditions.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride, oxides of manganese.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Health.
Exposure limit(s)
NIOSH TWA: 1 mg/m3 as Mn.
Exposure effects
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
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.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Remove contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.