Manganese(III) acetate dihydrate

Formula
(CH3COO)3Mn.2H2O
Structure
Description
Brown powder and chunks.

Registry Numbers and Inventories.
CAS
19513-05-4
EC (EINECS/ELINCS)
211-334-3
S 22 24/25
Beilstein/Gmelin
3732626
Beilstein Reference
2-02-00-00091
US TSCA
Listed

Properties.
Formula
C6H9MnO6 . 2H2O
Formula mass
232.07
Solubility in water
Decomposition

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.
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
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Provide ventilation.
Disposal code
15
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong reducing agents, finely powdered metals, strong acids.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Effects may be delayed. Men exposed to manganese dusts showed a decrease in fertility. Chron ic Manganese poisoning primarily involves the central nervous systerm. Early symptoms include languor, sleepiness and weakness in the legs. A stolid mask-like appearance of the face, emotional disturbances su ch as uncontrollable laughter and a spastic gait with tendency to fall in walking are findings in more advanced cases. High incidence of pn eumonia has been found in workers exposed to the dust or fumes of some Manganese compounds.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause central nervous system effects.
   Inhalation
Causes respiratory tract irritation. May cause bronchial pneumonia. Can produce delayed pulmonary edema. May cause central nervous system effects.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation. May cause chemical conjunctivitis.

First aid
 
   Ingestion
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
   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. Wash clothing before reuse.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2915 29 00