MANGANESE (II) OXIDE
Section I
Kurt J. Lesker Company
Emergency Phone Numbers
1925 Worthington Avenue
Clairton, PA 15025
Ph: 412/387-9200 Fax: 412/233-4275
Chemtrec
Poison Center
Chemical Name and Synonyms
Manganese (II) Oxide
Formula
MnO
800/424-9300
800/562-8236
Date of Last Revision
1/17/06
Chemical Family
Metal Oxide
TSCA
Chemical Abstract No.
1317-34-6
Calc. Molecular Wt.
70.94
Section II
Hazardous Ingredients
Hazardous Ingredients
Manganese
Section III
CAS #
%
1317-34-6
100
TLV
0.2
OSHA PEL
0.25
Physical Data
Boiling Point (0oC): NA
Density (gmcc): 4.50 gm/cc
Vapor Pressure: NA
% Volatile by Volume: NA
Reaction with Water: ND
Evaporation Rate (H2O -1): NA
Solubility in Water: Insoluble
Melting Point (oC): 1060oC
Appearance and Odor: Gray, none
Other Comments:
Section IV
Fire & Explosion Hazard Data
Flash Point (method)
NA
Autoignition Temp.
NA
Flammability
Non-flammable as
a solid.
LEI
UEI
Extinguishing Media: This material is non-combustible. For surrounding fires
use appropriate extinguishing agent. Do not use water to extinguish fires
around operations involving molten metal, due to the potential for steam
explosion.
Special Fire Fighting Procedures: Self-contained breathing apparatus should
be worn when fighting metal dust fires.
Unusual Fire and Explosion Hazards: High levels of dust or fine particles in
the air may ignite or explode.
Section V
Spill or Leak Process
Steps to be Taken in Case Material is Released or Spilled: Sweep or scoop up
and remove. In solid form the material poses no special clean-up problems.
Use normal clean up procedures; wet sweeping or HEPA vacuum, for clean up of
dust or powder. Do not use compressed air for cleaning.
Waste Disposal Method: Consult federal, state, and local authorities for
proper disposal procedures. This product contains chemicals(s) subject to
the reporting requirements of Section 313 of the Emergency Planning and
Community Right-to-Know Act of 1986 and 40CFR372.
Section VI
Health Hazard Data
Toxicity Data
ihl-mus TCLo: 49 mg/m3/7H
(75Dpre/1-18D preg): REP
scu-mus LD50: 422 mg/Kg
ivn-rbt LDLo: 45 mg/Kg
Route(s) of Entry
HMIS Hazard Rating
Health:
Flammability:
Reactivity:
Personal Protection:
Inhalation:
Skin:
Ingestion:
Effects of Overexposure (acute and chronic)
Inhalation: May cause metal fume fever or Manganese poisoning.
Dermal/Eye Contact: NA
Other (specify): May cause muscle aches, fever, headaches, dry throat,
sleepiness, weakness in the legs, muscular twitching, nocturnal leg cramps,
slowness of speech, languor.
Medical Conditions Generally Aggravated by Exposure: ND
Carcinogenicity:
NTP:
IARC Monographs:
OSHA Regulations:
Emergency and First Aid Procedures
Ingestion: Get medical attention immediately.
Inhalation: Remove to fresh air and get medical attention.
Skin Contact: Flush with soap and water.
Eye Contact: Flush with plenty of water for at least 15 minutes.
Section VII
Stable: X
Unstable:
Reactivity Data
Conditions Contributing to Instability: NA
Incompatibility (materials to avoid): Halogens and inter-halogens. Acids and
strong oxidizers.
Hazardous Decomposition Products - Thermal and Other (list): NA
Hazardous Polymerization
May Occur:
Will Not Occur: X
Section VIII
Conditions to Avoid: Conditions which create
dust or fumes.
Special Protective Information
Respiratory Protection (specify type). Use Only Niosh Approved Equip.
Always maintain exposure below permissible exposure limits. Maintain
concentrations below 5 mg/m3c.
Ventilation (always maintain exposure below permissible limits)
Local Exhaust: Filter, dust, fume-mist.
Mechanical (general):
Special:
Other:
Protective Gloves: Butyl Rubber
Eye Protection: Goggles
Other Protective Equipment/Work Practices: Eye wash fountain should be
readily available in areas of use or handling.
Section IX
Special Precautions
Precautions to be Taken in Handling and Storing: Wash thoroughly after
handling. Do not store near combustibles. Store in clean dry area that is
well ventilated. Do not store adjacent to acids.
Transportation Requirements
DOT Class: None
UN Number: None
IMCO Class: None
Other:
The above information is accurate to the best of our knowledge.
However, since data, safety standards, and government
regulations are subject to change and the conditions of handling and use, or misuse are beyond our control, the Kurt J.
Lesker Company makes no warranty, either express or implied, with respect to the completeness or continuing accuracy of the
information contained herein and disclaims all liability for reliance thereon:
current data relevant to his particular use.
ND = NO DATA FOUND
NA = NOT APPLICABLE
User should satisfy himself that he had all