Molybdenum

95.96

About Molybdenum

The chemical and physical properties of molybdenum metal and its alloys are prized by a wide range of industries ranging from defense, avionics, metallurgy, glassmaking, pigments and dyes, organometallic chemistry, and the manufacturing of photovoltaics and semiconductor devices. A silvery gray transition metal, molybdenum is also one of the refractory metals, a group of metals with the shared properties of extremely high melting points and thermal conductivity, low thermal expansion and vapor pressure, excellent dimensional stability and creep resistance, and resistance to oxidation; its chemical behavior is similar to that of tungsten. Molybdenum has the sixth highest melting point of all elements and one of the lowest coefficients of thermal expansion among commercial metals, yet possesses a density only 25% higher than iron. It is the 54th most abundant element in the earth’s crust but does not occur freely in nature, rather present in oxide forms with various valence states. Common molybdenum-containing minerals include molybdenite (molybdenum sulfide), wulfenite (lead molybdate), and powellite; the metal is commercially produced via the direct mining of molybdenite as well as the production of tungsten and copper.

Molybdenum-containing minerals have been known since ancient times, but the element was often identified as lead; its current name is derived from the Ancient Greek word for lead, molybdos, owing to the confusion between lead sulfide and molybdenum sulfides, the latter of which was originally referred to as molybdena. Carl Wilhelm Scheele identified the element in 1778 by producing molybdenum oxide from molybdenite (naming it “terra molybdaenae”); in 1781, Peter Jacob Hjelm heated linseed oil and carbon combined with molybdic acid to yield the metal.

Molybdenum is toxic in high amounts but plays a critical biological role as a cofactor required for enzyme function; it did not play a significant commercial role until utilized in German artillery during World War II. Since then, its role as an alloying agent has composed more than 75% of its usage; often referred to as “moly,” it lends numerous advantages including increased hardness, strength, creep resistance, resistance to wear and corrosion, weldability, and stability in high stress, high temperature environments. Besides quenched and tempered steels, prevalent molybdenum alloys used in x-ray tubes, forging tools, and other applications include Hastelloys, ferromolybdenum, Titanium-Zirconium-Molybdenum (TZM), and Molybdenum-Lanthanum (lanthanated moly, or MoLa) which exhibits higher strength and dimensional stability than TZM. Commercial products that benefit from the use of molybdenum include armor, aircraft engine components, glass melting electrodes, valves, boiler plates, ribbons and wires for lighting, semiconductor base plates, hot-zones and heat sinks, sputtering targets for photovoltaic cell coatings and flat screens, crucibles for sapphire growth, circuit inks, and microwave devices. The isotope Molybdenum-99 is also used in nuclear imaging.

Molybdenum compounds are often used as industrial catalysts for removal of sulfide compounds from crude oil, converting water to hydrogen gas, producing formaldehyde and acrylonitrile, and, in the case of the n-type semiconductor molybdenum trioxide, acting as a photocatalyst; other applications include lubricants and pigments. Molybdenum disulfide and molybdenum diselenide have the ability to form two-dimensional thin films analogous to those of carbon (in the form of graphene) for use in flexible electronics; electrodes composed of MoS₂-graphene nanosheet composites vastly improve performance of next-generation sodium air batteries.

Products

Compounds

Metallic Forms

Alloys

Oxide Forms

Organometallics

Nanomaterials

Sputtering Targets

Isotopes

Molybdenum is used in high-pressure and high-temperature environments as pigments and catalysts. It is also found used in nuclear reactors, aerospace components, and some forms of steel alloys to add hardness and raise melting points. Molybdenum is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity). Elemental or metallic forms include pellets, rod, wire and granules for evaporation source material purposes. Molybdenum nanoparticles and nanopowders are also available. Molybdenum oxides are available in powder and dense pellet form for such uses as optical coating and thin film applications. Oxides tend to be insoluble. Molybdenum fluorides are other insoluble forms for uses in which oxygen is undesirable such as metallurgy, chemical and physical vapor deposition and in some optical coatings. Molybdenum is also available in soluble forms including chlorides, nitrates and acetates. These compounds can be manufactured as solutions at specified stoichiometries.

Molybdenum Properties

Molybdenum is a Block D, Group 6, Period 5 element. Molybdenum Bohr Model The number of electrons in each of molybdenum's shells is 2, 8, 18, 13, 1 and its electronic configuration is [Kr] 4d⁵ 5s¹. The molybdenum atom has a radius of 136.3.pm and its Van der Waals radius is 200.pm. In its elemental form, CAS 7439-98-7, molybdenum has a gray metallic appearance. Elemental Molybdenum Molybdenum is the 54th most abundant element in the earth's crust. It has the third highest melting point of any element, exceeded only by tungsten and tantalum. Molybdenum does not occur naturally as a free metal, it is found in various oxidation states in minerals. The primary commercial source of molybdenum is molybdenite, although it is also recovered as a byproduct of copper and tungsten mining. Molybdenum was first discovered by Carl Wilhelm in 1778. The origin of the name molybdenum comes from the Greek word molubdos meaning lead.

General Properties

Symbol:	Mo
Atomic Number:	42
Atomic Weight:	95.96
Element Category:	transition metal
Group, Period, Block:	6, 5, d
Color:	gray metallic/ gray-white
Other Names:	Molybdéne, Molibdeno

Physical Properties

Melting Point:	2622°C, 4751.6°F, 2895.15 K
Boiling Point:	4639°C, 8382.2°F, 4912.15 K
Density:	10.28 g·cm³
Liquid Density @ Melting Point:	9.33 g·cm³
Density @ 20°C:	10.2 g/cm³
Density of Solid:	10280 kg·m³
Specific Heat:	0.25 (kJ/kg K)
Superconductivity Temperature:	0.915 [or -272.235 °C (-458.02 °F)] K
Triple Point:	N/A
Critical Point:	N/A
Heat of Fusion (kJ·mol^-1):	27.6
Heat of Vaporization (kJ·mol^-1):	589.9
Heat of Atomization (kJ·mol^-1):	656.55
Thermal Conductivity:	138 W·m^-1·K^-1
Thermal Expansion:	(25 °C) 4.8 µm·m^-1·K^-1
Electrical Resistivity:	(20 °C) 53.4 nΩ·m
Tensile Strength:	N/A
Molar Heat Capacity:	24.06 J·mol^-1·K^-1
Young's Modulus:	329 GPa
Shear Modulus:	126 GPa
Bulk Modulus:	230 GPa
Poisson Ratio:	0.31
Mohs Hardness:	5.5
Vickers Hardness:	1530 MPa
Brinell Hardness:	1500 MPa
Speed of Sound:	(r.t.) 5400 m·s^-1
Pauling Electronegativity:	2.16
Sanderson Electronegativity:	1.15
Allred Rochow Electronegativity:	1.3
Mulliken-Jaffe Electronegativity:	N/A
Allen Electronegativity:	N/A
Pauling Electropositivity:	1.84
Reflectivity (%):	58
Refractive Index:	N/A

Chemical Properties

Electrons:	42
Protons:	42
Neutrons:	54
Electron Configuration:	[Kr] 4d⁵ 5s¹
Atomic Radius:	139 pm
Atomic Radius, non-bonded (Å):	2.17
Covalent Radius:	154±5 pm
Covalent Radius (Å):	1.46
Van der Waals Radius:	200 pm
Oxidation States:	6, 5, 4, 3, 2, 1, -1, -2 (strongly acidic oxide)
Phase:	Solid
Crystal Structure:	body-centered cubic
Magnetic Ordering:	paramagnetic
Electron Affinity (kJ·mol^-1)	72.146
1^st Ionization Energy:	684.32 kJ·mol^-1
2^nd Ionization Energy:	1559.21 kJ·mol^-1
3^rd Ionization Energy:	2617.67 kJ·mol^-1

Identifiers

CAS Number:	7439-98-7
EC Number:	231-107-2
MDL Number:	MFCD00003465
Beilstein Number:	N/A
SMILES Identifier:	[Mo]
InChI Identifier:	InChI=1S/Mo
InChI Key:	ZOKXTWBITQBERF-UHFFFAOYSA-N
PubChem CID:	23932
ChemSpider ID:	22374

Abundance

Earth - Total:	2.35 ppm
Mercury - Total:	1.81 ppm
Venus - Total:	2.47 ppm
Earth - Seawater (Oceans), ppb by weight:	10
Earth - Seawater (Oceans), ppb by atoms:	0.64
Earth - Crust (Crustal Rocks), ppb by weight:	1100
Earth - Crust (Crustal Rocks), ppb by atoms:	230
Sun - Total, ppb by weight:	9
Sun - Total, ppb by atoms:	0.1
Stream, ppb by weight:	0.8
Stream, ppb by atoms:	0.008
Meterorite (Carbonaceous), ppb by weight:	1200
Meterorite (Carbonaceous), ppb by atoms:	250
Typical Human Body, ppb by weight:	100
Typical Human Body, ppb by atom:	7
Universe, ppb by weight:	5
Universe, ppb by atom:	0.1

History

Discovered By:	Carl Wilhelm Scheele
Discovery Date:	1778
First Isolation:	Peter Jacob Hjelm (1781)

Health, Safety & Transportation Information for Molybdenum

Molybdenum is toxic unless it is in small quantities. Safety data for Molybdenum and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the Products tab. The below information applies to elemental (metallic) Molybdenum.

Safety Data
Signal Word	Danger
Hazard Statements	H228
Hazard Codes	F
Risk Codes	11
Safety Precautions	9-16-36/37/39
RTECS Number	QA4680000
Transport Information	UN 3089 4.1/PG 2
WGK Germany	nwg
Globally Harmonized System of Classification and Labelling (GHS)

Review and Print SDS for Molybdenum Metal

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SAFETY DATA SHEET

Date Created: 05/15/2015

Date Revised: 05/15/2015

SECTION 1. IDENTIFICATION

Product Name: Molybdenum Metal

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

CAS #: 7439-98-7

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

SECTION 2. HAZARDS IDENTIFICATION

Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
The substance is not classified as hazardous to health or the environment according to the CLP regulation.
Classification according to Directive 67/548/EEC or Directive 1999/45/EC
Not applicable
Information concerning particular hazards for human and environment:
No information known.
Hazards not otherwise classified
No information known.
Label elements
Labelling according to Regulation (EC) No 1272/2008
Not applicable
Hazard pictograms
Not applicable
Signal word
Not applicable
Hazard statements
Not applicable
WHMIS classification
Not controlled
Classification system
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System)
HEALTH
FIRE
REACTIVITY
0
0
0
Health (acute effects) = 0
Flammability = 0
Physical Hazard = 0
Other hazards
Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

Chemical characterization: Substances
CAS# Description:
7439-98-7 Molybdenum
Identification number(s):
EC number: 231-107-2

SECTION 4. FIRST AID MEASURES

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.

SECTION 5. FIREFIGHTING MEASURES

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
If this product is involved in a fire, the following can be released:
Molybdenum oxides
Advice for firefighters
Protective equipment:
No special measures required.

SECTION 6. ACCIDENTAL RELEASE MEASURES

Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions:
Do not allow product to reach sewage system or any water course.
Do not allow to penetrate the ground/soil.
Methods and material for containment and cleaning up:
Pick up mechanically.
Prevention of secondary hazards:
No special measures required.
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.

SECTION 7. HANDLING AND STORAGE

Handling
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
Storage
Requirements to be met by storerooms and receptacles:
No special requirements.
Information about storage in one common storage facility:
Do not store together with acids.
Store away from oxidizing agents.
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.

SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Additional information about design of technical systems:
No further data; see section 7.
Control parameters
Components with limit values that require monitoring at the workplace: 7439-98-7 Molybdenum (100.0%)
PEL (USA) Long-term value: 5* 15** mg/m³ as Mo;*soluble compds., **insol.compds.:total dust
TLV (USA) Long-term value: 10* 3** mg/m³ as Mo; *inhalable fraction ** respirable fraction
EL (Canada) Long-term value: 3* 10** mg/m³ as Mo; *respirable **inhalable
EV (Canada) Long-term value: 10* 3** 0.5*** mg/m³ metal,insol.compd.:*inh;**resp;sol.compd.:***resp
Additional information: No data
Exposure controls
Personal protective equipment
General protective and hygienic measures
The usual precautionary measures for handling chemicals should be followed.
Maintain an ergonomically appropriate working environment.
Breathing equipment: Not required.
Recommended filter device for short term use:
Use a respirator with type N95 (USA) or PE (EN 143) cartridges as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards.
Protection of hands: Not required.
Material of gloves
Nitrile rubber, NBR
Penetration time of glove material (in minutes) 480
Glove thickness 0.11 mm
Eye protection: Safety glasses
Body protection: Protective work clothing.

SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

Information on basic physical and chemical properties
General Information
Appearance:
Form: Solid in various forms
Color: Dark grey
Odor: Not determined
Odor threshold: Not determined.
pH-value: Not applicable.
Change in condition
Melting point/Melting range: 2623 °C (4753 °F)
Boiling point/Boiling range: 4639 °C (8382 °F)
Sublimation temperature / start: Not determined
Flammability (solid, gaseous): Not determined.
Ignition temperature: Not determined
Decomposition temperature: Not determined
Auto igniting: Not determined.
Danger of explosion: Not determined.
Explosion limits:
Lower: Not determined
Upper: Not determined
Vapor pressure: Not applicable.
Density at 20 °C (68 °F): 10.22 g/cm³ (85.286 lbs/gal)
Relative density: Not determined.
Vapor density: Not applicable.
Evaporation rate: Not applicable.
Solubility in / Miscibility with Water: Not determined
Partition coefficient (n-octanol/water): Not determined.
Viscosity:
dynamic: Not applicable.
kinematic: Not applicable
Other information
No further relevant information available.

SECTION 10. STABILITY AND REACTIVITY

Reactivity
No information known.
Chemical stability
Stable under recommended storage conditions.
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to specifications.
Possibility of hazardous reactions
Reacts with strong oxidizing agents
Conditions to avoid
No further relevant information available.
Incompatible materials:
Acids
Oxidizing agents
Hazardous decomposition products:
Molybdenum oxides

SECTION 11. TOXICOLOGICAL INFORMATION

Information on toxicological effects
Acute toxicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for this substance.
LD/LC50 values that are relevant for classification: No data
Skin irritation or corrosion: May cause irritation
Eye irritation or corrosion: May cause irritation
Sensitization: No sensitizing effects known.
Germ cell mutagenicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains mutation data for this substance.
Carcinogenicity:
No classification data on carcinogenic properties of this material is available from the EPA, IARC, NTP, OSHA or ACGIH.
Reproductive toxicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains reproductive data for this substance.
Specific target organ system toxicity - repeated exposure: No effects known.
Specific target organ system toxicity - single exposure: No effects known.
Aspiration hazard: No effects known.
Subacute to chronic toxicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains multiple dose toxicity data for this substance.
Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
Carcinogenic categories
OSHA-Ca (Occupational Safety & Health Administration)
Substance is not listed.

SECTION 12. ECOLOGICAL INFORMATION

Toxicity
Aquatic toxicity:
No further relevant information available.
Persistence and degradability
No further relevant information available.
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 to reach ground water, water course or sewage system.
Avoid transfer into the environment.
Results of PBT and vPvB assessment
PBT: Not applicable.
vPvB: Not applicable.
Other adverse effects
No further relevant information available

SECTION 13. DISPOSAL CONSIDERATIONS

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.

SECTION 14. TRANSPORT INFORMATION

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

SECTION 15. REGULATORY INFORMATION

Safety, health and environmental regulations/legislation specific for the substance or mixture
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).
SARA Section 313 (specific toxic chemical listings)
Substance is not listed.
California Proposition 65
Prop 65 - Chemicals known to cause cancer
Substance is not listed.
Prop 65 - Developmental toxicity
Substance is not listed.
Prop 65 - Developmental toxicity, female
Substance is not listed.
Prop 65 - Developmental toxicity, male
Substance is not listed.
Information about limitation of use:
For use only by technically qualified individuals.
Other regulations, limitations and prohibitive regulations
Substance of Very High Concern (SVHC) according to the REACH Regulations (EC) No. 1907/2006.
Substance is not listed.
The conditions of restrictions according to Article 67 and Annex XVII of the Regulation (EC) No 1907/2006 (REACH) for the manufacturing, placing on the market and use must be observed.
Substance is not listed.
Annex XIV of the REACH Regulations (requiring Authorisation for use)
Substance is not listed.
REACH - Pre-registered substances
Substance is listed.
Chemical safety assessment:
A Chemical Safety Assessment has not been carried out.

16. OTHER INFORMATION

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.

Molybdenum Isotopes

Molybdenum has 5 stable isotopes:

Nuclide	Isotopic Mass	Half-Life	Mode of Decay	Nuclear Spin	Magnetic Moment	Binding Energy (MeV)	Natural Abundance (% by atom)
⁸³Mo	82.94874(54)#	23(19) ms [6(+30-3) ms]	ß⁺ to ⁸³Nb; ß⁺ + p to ⁸²Zr	3/2-#	N/A	671.85	-
⁸⁴Mo	83.94009(43)#	3.8(9) ms [3.7(+10-8) s]	ß⁺ to ⁸⁴Nb	0+	N/A	687.38	-
⁸⁵Mo	84.93655(30)#	3.2(2) s	ß⁺ to ⁸⁵Nb	(1/2-)#	N/A	699.19	-
⁸⁶Mo	85.93070(47)	19.6(11) s	ß⁺ to ⁸⁶Nb	0+	N/A	712.86	-
⁸⁷Mo	86.92733(24)	14.05(23) s	ß⁺ to ⁸⁷Nb; ß⁺ + p to ⁸⁶Zr	7/2+#	N/A	723.73	-
⁸⁸Mo	87.921953(22)	8.0(2) min	ß⁺ to ⁸⁸Nb	0+	N/A	737.4	-
⁸⁹Mo	88.919480(17)	2.11(10) min	ß⁺ to ⁸⁹Nb	(9/2+)	N/A	747.34	-
⁹⁰Mo	89.913937(7)	5.56(9) h	EC to ⁹⁰Nb	0+	N/A	761.01	-
⁹¹Mo	90.911750(12)	15.49(1) min	EC to ⁹¹Nb	9/2+	N/A	770.95	-
⁹²Mo	91.906811(4)	Observationally Stable	-	0+	N/A	783.69	14.84
⁹³Mo	92.906813(4)	4.0(8)E+3 y	EC to ⁹³Nb	5/2+	N/A	791.77	-
⁹⁴Mo	93.9050883(21)	STABLE	-	0+	N/A	800.78	9.25
⁹⁵Mo	94.9058421(21)	STABLE	-	5/2+	-0.9142	808.86	15.92
⁹⁶Mo	95.9046795(21)	STABLE	-	0+	N/A	817.87	16.68
⁹⁷Mo	96.9060215(21)	STABLE	-	5/2+	-0.9335	824.08	9.55
⁹⁸Mo	97.9054082(21)	Observationally Stable	-	0+	N/A	833.09	24.13
⁹⁹Mo	98.9077119(21)	2.7489(6) d	ß^- to ⁹⁹Tc	1/2+	0.375	839.31	-
¹⁰⁰Mo	99.907477(6)	8.5(5)E+18 y	2ß^- to ¹⁰⁰Ru	0+	N/A	847.39	9.63
¹⁰¹Mo	100.910347(6)	14.61(3) min	ß^- to ¹⁰¹Tc	1/2+	N/A	852.67	-
¹⁰²Mo	101.910297(22)	11.3(2) min	ß^- to ¹⁰²Tc	0+	N/A	860.75	-
¹⁰³Mo	102.91321(7)	67.5(15) s	ß^- to ¹⁰³Tc	(3/2+)	N/A	868.83	-
¹⁰⁴Mo	103.91376(6)	60(2) s	ß^- to ¹⁰⁴Tc	0+	N/A	876.91	-
¹⁰⁵Mo	104.91697(8)	35.6(16) s	ß^- to ¹⁰⁵Tc	(5/2-)	N/A	884.98	-
¹⁰⁶Mo	105.918137(19)	8.73(12) s	ß^- to ¹⁰⁶Tc	0+	N/A	893.06	-
¹⁰⁷Mo	106.92169(17)	3.5(5) s	ß^- to ¹⁰⁷Tc	(7/2-)	N/A	891.83	-
¹⁰⁸Mo	107.92345(21)#	1.09(2) s	ß^- to ¹⁰⁸Tc	0+	N/A	899.9	-
¹⁰⁹Mo	108.92781(32)#	0.53(6) s	ß^- to ¹⁰⁹Tc	(7/2-)#	N/A	907.98	-
¹¹⁰Mo	109.92973(43)#	0.27(1) s	ß^- to ¹¹⁰Tc; ß^- + n to ¹⁰⁹Tc	0+	N/A	916.06	-
¹¹¹Mo	110.93441(43)#	200# ms [>300 ns]	ß^- to ¹¹¹Tc	N/A	N/A	914.82	-
¹¹²Mo	111.93684(64)#	150# ms [>300 ns]	ß^- to ¹¹²Tc	0+	N/A	922.9	-
¹¹³Mo	112.94188(64)#	100# ms [>300 ns]	ß^- to ¹¹³Tc	N/A	N/A	921.67	-
¹¹⁴Mo	113.94492(75)#	80# ms [>300 ns]	Unknown	0+	N/A	929.74	-
¹¹⁵Mo	114.95029(86)#	60# ms [>300 ns]	Unknown	N/A	N/A	928.51	-