Manganese Chunk

CAS 7439-96-5
Linear Formula: Mn
MDL Number: MFCD00011111
EC No.: 231-105-1

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(2N) 99% Manganese Chunk
MN-M-02-CK Pricing
(3N) 99.9% Manganese Chunk
MN-M-03-CK Pricing
(4N) 99.99% Manganese Chunk
MN-M-04-CK Pricing
(5N) 99.999% Manganese Chunk
MN-M-05-CK Pricing


Molecular Weight 54.94
Appearance Silvery
Melting Point 1244 °C
Boiling Point 1962 °C
Density 7.21-7.44 gm/cc
Thermal Expansion

(25 °C) 21.7 µm·m-1·K-1

Poisson Ratio N/A
Vickers Hardness N/A
Young's Modulus 198 GPa
Tensile Strength N/A
Thermal Conductivity 0.0781 W/cm/K @ 298.2 K
Electronegativity 1.5 Paulings
Specific Heat 0.114 Cal/g/K @ 25 °C
Heat of Vaporization 53.7 K-Cal/gm atom at 1962 °C
Heat of Fusion 3.45 Cal/gm mole

Health & Safety Information

Signal Word Danger
Hazard Statements H228
Hazard Codes F
Risk Codes 11
Safety Statements 9-16-36/37/39
RTECS Number QA4680000
Transport Information UN 3089 4.1/PG 2
WGK Germany nwg

View and Print SDS


Date Accessed: 07/24/2016
Date Revised: 05/15/2015


Product Name: Manganese Chunk

Product Number: All applicable American Elements product codes, e.g. MN-M-02-CK, MN-M-03-CK, MN-M-04-CK, MN-M-05-CK

CAS #: 7439-96-5

Relevant identified uses of the substance: Scientific research and development

Supplier details:
American Elements
1093 Broxton Ave. Suite 2000
Los Angeles, CA 90024
Tel: +1 310-208-0551
Fax: +1 310-208-0351

Emergency telephone number:
Domestic, North America +1 800-424-9300
International +1 703-527-3887


Classification of the substance or mixture
The substance is not classified according to the Globally Harmonized System (GHS).
Classification according to Directive 67/548/EEC or Directive 1999/45/EC Not applicable
Information concerning particular hazards for human and environment: Not applicable
Label elements
Labelling according to EU guidelines:
Observe the general safety regulations when handling chemicals
Classification system
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System)
Health (acute effects) = 0
Flammability = 0
Reactivity = 0
Other hazards
Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.


Chemical characterization: Substances
CAS# Description:
7439-96-5 Manganese
Identification number(s):
EC number: 231-105-1


Description of first aid measures
General information No special measures required.
After inhalation Seek medical treatment in case of complaints.
After skin contact Generally the product does not irritate the skin.
After eye contact
Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.
After swallowing If symptoms persist consult doctor.
Information for doctor
Most important symptoms and effects, both acute and delayed
No further relevant information available.
Indication of any immediate medical attention and special treatment needed
No further relevant information available.


Extinguishing media
Suitable extinguishing agents Special powder for metal fires. Do not use water.
For safety reasons unsuitable extinguishing agents Water
Special hazards arising from the substance or mixture
In case of fire, the following can be released:
Metal oxide fume
Advice for firefighters
Protective equipment: No special measures required.


Personal precautions, protective equipment and emergency procedures Not required.
Environmental precautions:
Do not allow material to be released to the environment without proper governmental permits.
Methods and material for containment and cleaning up: Pick up mechanically.
Reference to other sections
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.


Precautions for safe handling
Keep container tightly sealed.
Store in cool, dry place in tightly closed containers.
Information about protection against explosions and fires: No special measures required.
Conditions for safe storage, including any incompatibilities
Requirements to be met by storerooms and receptacles: No special requirements.
Information about storage in one common storage facility: No information known.
Further information about storage conditions:
Keep container tightly sealed.
Store in cool, dry conditions in well sealed containers.
Specific end use(s) No further relevant information available.


Control parameters
Components with limit values that require monitoring at the workplace:
7439-96-5 Manganese (100.0%)
PEL () Short-term value: C 5* ** mg/m³
as Mn *and inorganic compounds **fume
REL () Short-term value: 3* ** mg/m³
Long-term value: 1* ** mg/m³
as Mn *and inorganic compounds **fume 
TLV () (0.2) NIC-0.02* NIC-0.2* mg/m³
as Mn;+ inorg. comp.;*resp.,**inh. fraction:NIC-A4
Additional information: No data
Exposure controls
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be followed.
Breathing equipment: Not required.
Protection of hands: Not required.
Eye protection: Safety glasses
Body protection: Protective work clothing.


Information on basic physical and chemical properties
General Information
Form: Solid in various forms
Color: Grey
Odor: Not determined
Odour threshold: Not determined.
pH-value: Not applicable.
Change in condition
Melting point/Melting range: 1246°C (2275 °F)
Boiling point/Boiling range: 2095°C (3803 °F)
Sublimation temperature / start: Not determined
Flammability (solid, gaseous) Not determined.
Ignition temperature: Not determined
Decomposition temperature: Not determined
Auto igniting: Not determined.
Explosion limits:
Lower: Not determined
Upper: Not determined
Vapor pressure at 20°C (68 °F): 0 hPa
Density at 20°C (68 °F): 7.3 g/cm³ (60.919 lbs/gal)
Relative density Not determined.
Vapour density Not applicable.
Evaporation rate Not applicable.
Segregation coefficient (n-octonol/water): Not determined.
dynamic: Not applicable.
kinematic: Not applicable.
Other information No further relevant information available.


Chemical stability
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to specifications.
Possibility of hazardous reactions No dangerous reactions known
Incompatible materials: No information known.
Hazardous decomposition products: Metal oxide fume


Information on toxicological effects
Acute toxicity:
Primary irritant effect:
on the skin: Powder: irritant effect
on the eye: Powder: irritant effect
Sensitization: No sensitizing effects known.
Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
EPA-D: Not classifiable as to human carcinogenicity: inadequate human and animal evidence of carcinogenicity or no data are available.
The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute and/or other multiple dose toxicity data for components in this product.
The Registry of Toxic Effects of Chemical Substances (RTECS) contains reproductive and/or mutation data for components in this product.
The Registry of Toxic Effects of Chemical Substances (RTECS) contains tumorigenic and/or carcinogenic and/or neoplastic data for components in this product.


Acquatic toxicity: No further relevant information available.
Persistence and degradability No further relevant information available.
Behavior in environmental systems:
Bioaccumulative potential No further relevant information available.
Mobility in soil No further relevant information available.
Additional ecological information:
General notes:
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.
Do not allow material to be released to the environment without proper governmental permits.Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.
Other adverse effects No further relevant information available.


Waste treatment methods
Recommendation Consult state, local or national regulations to ensure proper disposal.
Uncleaned packagings:
Recommendation: Disposal must be made according to official regulations.


DOT, ADR, ADN, IMDG, IATA Not applicable
UN proper shipping name
DOT, ADR, ADN, IMDG, IATA Not applicable
Transport hazard class(es)
Class Not applicable
Packing group
DOT, ADR, IMDG, IATA Not applicable
Environmental hazards:
Marine pollutant: No
Special precautions for user Not applicable.
Transport in bulk according to Annex II of
MARPOL73/78 and the IBC Code Not applicable.


Safety, health and environmental regulations/legislation specific for the substance or
Product related hazard informations:
Observe the general safety regulations when handling chemicals
National regulations
All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical substance Inventory.
All components of this product are listed on the Canadian Domestic Substances List (DSL).
Information about limitation of use:
For use only by technically qualified individuals.
This product is subject to the reporting requirements of section 313 of the Emergency
Planning and Community Right to Know Act of 1986 and 40CFR372.
Chemical safety assessment: A Chemical Safety Assessment has not been carried out.


Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. American Elements shall not be held liable for any damage resulting from handling or from contact with the above product. See reverse side of invoice or packing slip for additional terms and conditions of sale. COPYRIGHT 1997-2016 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.


High purity manganese chunkAmerican Elements specializes in producing high purity Manganese Chunks using crystallization, solid state and other ultra high purification processes such as sublimation. Standard Chunk pieces are amorphous uniform pieces ranging in size from 5-15 mm. American Elements also casts any of the rare earth metals and most other advanced materials into granules, rod, bar or plate form We also produce Manganese as rod, pellets, powder, pieces, disc, ingot, wire, and in compound forms, such as oxide.



Chemical Identifiers

Linear Formula Mn
CAS 7439-96-5
Pubchem CID 23930
MDL Number MFCD00011111
EC No. 231-105-1
Beilstein Registry No. N/A
InchI Identifier InChI=1S/Mn

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Safety Data Sheet (SDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes, and 36,000 lb. tanker trucks.

Related Products & Element Information

See more Manganese products. Manganese (atomic symbol: Mn, atomic number: 25) is a Block D, Group 7, Period 4 element with an atomic weight of 54.938045. Manganese Bohr ModelThe number of electrons in each of Manganese's shells is [2, 8, 13, 2] and its electron configuration is [Ar] 3d5 4s2. The manganese atom has a radius of 127 pm and a Van der Waals radius of 197 pm. Manganese was first discovered by Torbern Olof Bergman in 1770 and first isolated by Johann Gottlieb Gahn in 1774. In its elemental form, manganese has a silvery metallic appearance. Elemental ManganeseIt is a paramagnetic metal that oxidizes easily in addition to being very hard and brittle. Manganese is found as a free element in nature and also in the minerals pyrolusite, braunite, psilomelane, and rhodochrosite. The name Manganese originates from the Latin word mangnes, meaning "magnet."

Recent Research

Removal of Cd(II) and Pb(II) from wastewater by using triethylenetetramine functionalized grafted cellulose acetate-manganese dioxide composite., Yakout, Amr A., El-Sokkary Ramadan H., Shreadah Mohamed A., and Hamid Omnia G. Abdel , Carbohydr Polym, 2016 Sep 5, Volume 148, p.406-14, (2016)

Monitoring the role of Mn and Fe in the As-removal efficiency of tetravalent manganese feroxyhyte nanoparticles from drinking water: An X-ray absorption spectroscopy study., Pinakidou, F, Katsikini M, Paloura E C., Simeonidis K, Mitraka E, and Mitrakas M , J Colloid Interface Sci, 2016 Sep 1, Volume 477, p.148-55, (2016)

l-cysteine induced manganese porphyrin electrocatalytic amplification with 3D DNA-Au@Pt nanoparticles as nanocarriers for sensitive electrochemical aptasensor., Zheng, Yingning, Yuan Yali, Chai Yaqin, and Yuan Ruo , Biosens Bioelectron, 2016 May 15, Volume 79, p.86-91, (2016)

Analytical development of a binuclear oxo-manganese complex bio-inspired on oxidase enzyme for doping control analysis of acetazolamide., Machini, Wesley B. S., and Teixeira Marcos F. S. , Biosens Bioelectron, 2016 May 15, Volume 79, p.442-8, (2016)

Preparation of graphene oxide-manganese dioxide for highly efficient adsorption and separation of Th(IV)/U(VI)., Pan, Ning, Li Long, Ding Jie, Li Shengke, Wang Ruibing, Jin Yongdong, Wang Xiangke, and Xia Chuanqin , J Hazard Mater, 2016 May 15, Volume 309, p.107-15, (2016)

Associations among environmental exposure to manganese, neuropsychological performance, oxidative damage and kidney biomarkers in children., Nascimento, Sabrina, Baierle Marília, Göethel Gabriela, Barth Anelise, Brucker Natália, Charão Mariele, Sauer Elisa, Gauer Bruna, Arbo Marcelo Dutra, Altknecht Louise, et al. , Environ Res, 2016 May, Volume 147, p.32-43, (2016)

Abiotic degradation of methyl parathion by manganese dioxide: Kinetics and transformation pathway., Liao, Xiaoping, Zhang Caixiang, Liu Yuan, Luo Yinwen, Wu Sisi, Yuan Songhu, and Zhu Zhenli , Chemosphere, 2016 May, Volume 150, p.90-6, (2016)

Effects of flue gas components on removal of elemental mercury over Ce-MnOx/Ti-PILCs., He, Chuan, Shen Boxiong, and Li Fukuan , J Hazard Mater, 2016 Mar 5, Volume 304, p.10-7, (2016)

Acclimation of a marine microbial consortium for efficient Mn(II) oxidation and manganese containing particle production., Zhou, Hao, Pan Haixia, Xu Jianqiang, Xu Weiping, and Liu Lifen , J Hazard Mater, 2016 Mar 5, Volume 304, p.434-40, (2016)

Removal of arsenic from water using manganese (III) oxide: Adsorption of As(III) and As(V)., Babaeivelni, Kamel, and Khodadoust Amid P. , J Environ Sci Health A Tox Hazard Subst Environ Eng, 2016 Mar 20, Volume 51, Issue 4, p.277-88, (2016)

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