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MSDS 
:
 Manganese, powder, -325 mesh, 99+%
CAS 
:
 7439-96-5
SYNONYMS 
:
 None.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7439-96-5 |Manganese | >99 | 231-105-1 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: F
Risk Phrases: 11

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Highly flammable.Moisture sensitive.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. In high doses,
manganese may increase anemia by interfering with iron absorption.
Although they are poorly absorbed through the intestine, inorganic
manganese salts may produce hypoglycemia and decreased calcium blood
levels should absorption occur.
Inhalation:
May cause respiratory tract irritation. The lowest exposure
concentration of manganese at which early effects on the CNS and the
lungs may occur is still unknown. However, once neurological signs
are present, they tend to continue and worsen after exposure ends.
Chronic:
May impair fertility. Repeated exposure to manganese may cause
permanent brain damage. Early symptoms include poor appetite,
weakness and sleepiness. If exposure is stopped at this stage, damage
may be reversible. Later effects include changes in speech, balance,
mood and personality, loss of facial expression, poor muscle
coordination, muscle twitching and tremors. The later symptoms are
similar to Parkinson's Disease. Other chronic effects from inhaling
high amounts of manganese include an increased incidence of cough
and bronchitis and susceptibility to infectious lung disease.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by
medical personnel. Never give anything by mouth to an unconscious
person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Reacts with water to form explosive hydrogen gas.
Flammable solid.
Extinguishing Media:
DO NOT USE WATER! Use dry chemical.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Avoid generating dusty conditions. Remove all sources of
ignition. Provide ventilation. Do not expose spill to water. Use only
non-sparking tools and equipment.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Avoid contact with eyes, skin, and
clothing. Do not allow contact with water. Do not breathe dust or
fumes. Keep away from heat, sparks and flame. Use only with adequate
ventilation or respiratory protection.
Storage:
Keep away from sources of ignition. Storage under a nitrogen blanket
has been recommended. Store absolutely dry.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits. Facilities storing or utilizing this material should
be equipped with an eyewash facility and a safety shower. Ventilation
fans and other electrical service must be non-sparking and have an
explosion-proof design.
Exposure Limits
CAS# 7439-96-5:
United Kingdom, WEL - TWA: 0.5 mg/m3 TWA
United Kingdom, WEL - STEL: 1.5 mg/m3 STEL
United States OSHA: ; 5 mg/m3 Ceiling (fume)
Belgium - TWA: 0.2 mg/m3 VLE
France - VME: 1 mg/m3 VME (fume, as Mn)
Germany: 0.5 mg/m3 TWA (inhalable fraction)
Japan: 0.3 mg/m3 OEL
Malaysia: 0.2 mg/m3 TWA
Netherlands: 3 mg/m3 STEL
Netherlands: 1 mg/m3 MAC
Russia: 0.2 mg/m3 TWA (fumes, share to 20%); 0.1 mg/m3 TWA (fumes
share to 30%)
Spain: 0.2 mg/m3 VLA-ED

Personal Protective Equipment

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 gloves to prevent skin exposure.
Clothing:
Wear appropriate clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Powder
Color: gray to brown
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 1900 deg C
Freezing/Melting Point: 1260 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density:
Molecular Formula: Mn
Molecular Weight: 54.94

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures. Water contact
produces hydrogen gas.
Conditions to Avoid:
Contact with water, electrical sparks, exposure to flame, heat.
Incompatibilities with Other Materials:
Water, strong oxidizing agents, fluorine, nitric acid, hydrogen
peroxide, chlorine, nitrogen dioxide, powdered aluminum, sulfur
dioxide.
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Will not occur.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 7439-96-5: OO9275000
LD50/LC50:
CAS# 7439-96-5: Draize test, rabbit, eye: 500 mg/24H Mild; Draize
test, rabbit, skin: 500 mg/24H Mild; Oral, rat: LD50 = 9 gm/kg.
Carcinogenicity:
Manganese -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****



**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: METAL POWDER, FLAMMABLE, N.O.S.
Hazard Class: 4.1
UN Number: 3089
Packing Group: III
IMO
Shipping Name: METAL POWDER, FLAMMABLE, N.O.S.
Hazard Class: 4.1
UN Number: 3089
Packing Group: III
RID/ADR
Shipping Name: METAL POWDER, FLAMMABLE, N.O.S.
Hazard Class: 4.1
UN Number: 3089
Packing group: III

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F
Risk Phrases:
R 11 Highly flammable.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
WGK (Water Danger/Protection)
CAS# 7439-96-5: No information available.
Canada
CAS# 7439-96-5 is listed on Canada's DSL List.
CAS# 7439-96-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7439-96-5 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 3/16/1998 Revision #3 Date: 5/16/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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