Manganese sulfate monohydrate

  • Manganous sulfate monohydrate
Formula
MnSO4.H2O
Structure
Description
Odorless pale red slightly efflorescent crystals or light pink powder.

Registry Numbers and Inventories.
CAS
10034-96-5
EC (EINECS/ELINCS)
232-089-9
EC Index Number
025-003-00-4
EC Class
harmful, dangerous for the environment
R 48/20/22 51/53
RTECS
OP0893500
RTECS class
Tumorigen; Mutagen; Reproductive Effector
UN (DOT)
3077
Merck
13,5763
Beilstein/Gmelin
14338 (G)
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
MnO4S . H2O
Formula mass
169.02
Melting point, °C
700
Vapor pressure, mmHg
0.023 (25 C)
Vapor density (air=1)
N/R
Density
2.845 g/cm3 (15 C)
Solubility in water
393 g/L

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. Use only in a well ventilated area. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. 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 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. Avoid generating dusty conditions. Provide ventilation.
Disposal code
15
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Can react with strong acid, strong oxidizing agents, powdered metals; may react violently with hydrogen peroxide.
Decomposition
Carbon dioxide, sulfur oxides (SOx), including sulfur oxide and sulfur dioxide, 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Fire potential
This material is probably combustible.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure limit(s)
TLV (as Mn): ppm; 0.2 mg/m3 (ACGIH 1995-1996).
Poison_Class
4 (Substances and products that must be considered harmful)
Exposure effects
Chronic inhalation or ingestion may cause argyria characterized by blue-gray discoloration of the eyes, skin and mucous membrances. Chronic skin contact may cause permanent discoloration of the skin.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Low hazard for usual industrial handling.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause mild 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.
UN number
3077
Response guide
HS Code
2833 29 90