Product Identification

Product Name

Manganese chloride tetrahydrate

Synonyms

Manganous dichloride, tetrahydrate

CAS

13446-34-9

Formula

Cl2H8MnO4

Molecular Weight

197.9

EINECS

231-869-6

RTECS

OO9650000

RTECS Class

Mutagen; Reproductive Effector

Merck

13,5751

Beilstein/Gmelin

11866 (G)

Physical and Chemical Properties

Appearance

Red solid or pink powder.

Solubility in water

1980 g/L

Melting Point

58-59

Density

2.01 g/cm3

First Aid Measures

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.

Handling and Storage

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.

Hazards Identification

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.

EC Risk Phrase

R 22 36/37/38 48/20/22

EC Safety Phrase

S 22 26 36/37/39

Exposure Controls/Personal Protection

Personal 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.

Exposure limit(s)

NIOSH TWA: 1 mg/m3 as Mn.

Fire Fighting Measures

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.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizing agents.

Decomposition

Hydrogen chloride, oxides of manganese.