CompoundList
Sign in
Metals, alloys and elements

Molybdenum

Also known as Molybdenum atom, Molybdenum, metallic, MChVL

CAS 7439-98-7Formula MoMolar mass 95.94 g/molEC 231-107-2
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard 67 suppliers listed
Get quotes Compare 67 suppliers
Element with atomic number and standard atomic weight

Key facts

What buyers check first

All properties
Appearance
Dark-gray or black powder with metallic luster or coherent mass of silver white color, b…
Melting point
2,622 °C
Boiling point
4,639 °C
Density
10.2 g/cm³
Solubility
Insoluble in water, soluble in nitric acid, sulfuric acid, slightly soluble in hydrochlo…
HS code
810210
Category
Metals, alloys and elements
UN number
UN 3089
Illustrative photo, metallic grey powder in a steel drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Molybdenum?

Plain description, key identifiers and synonyms

Molybdenum atom is a chromium group element atom. It has a role as a micronutrient.

Molybdenum is a chemical element with symbol Mo and atomic number 42.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
molybdenum
CAS number
7439-98-7 CAS number cross-checkedOther or deprecated CAS: 16727-12-1
EC number
231-107-2
Molecular formula
Mo
UNII
81AH48963U
MDL number
MFCD00003465
InChIKey
ZOKXTWBITQBERF-UHFFFAOYSA-N
InChI
InChI=1S/Mo
SMILES (canonical and isomeric)
[Mo]

Synonyms

  • Molybdenum atom
  • Molybdenum, metallic
  • MChVL
  • Molybdenum metallicum
  • MO
  • Metco 63
  • TsM1
  • Molybdenum metal
  • Amperit 106.2
  • Amperit 105.054
  • molybdene
  • Molybdaen
  • Molybdenum 98
  • Dietary Molybdenum
  • molybdenum(2+) ion
  • Molybdenum-98
  • Molybdenum(6+)
  • Molybdenum(6+) ion
  • Molybdenum powder
  • Molybdenum element
  • Molybdenum(VI) ion
  • Molybdenum, elemental
  • molybdenum(5+)
  • Molybdenum, ion (Mo(6+))
  • Molybdenum wire
Show all 38 synonyms
  • Molybdenum (VI) ion
  • Mo6+
  • Molybdenum, ion (Mo5+)
  • Mo(6+)
  • molibdeno
  • Molybdenum pellets
  • molybdenum(5+) ion
  • ICP standard Molybdenum H2O 1000 microg/mL
  • Molybdenum - Mo @ 5000 microg/g in Hydrocarbon Oil
  • Molybdenum Standard: Mo @ 1000 microg/mL in NH4OH
  • Molybdenum Standard: Mo @ 10000 microg/mL in NH4OH
  • Molybdenum Standard: Mo @ 10 microg/mL in 2% HNO3, tr. HF
  • Molybdenum Standard: Mo @ 1000 microg/g in Hydrocarbon Oil

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Dark-gray or black powder with metallic luster or coherent mass of silver white color, body centered cubic structureexp.
Melting point
2,622 °Cexp.
Boiling point
4,639 °Cexp.
Density
10.2 g/cm³exp.
Solubility
Insoluble in water, soluble in nitric acid, sulfuric acid, slightly soluble in hydrochloric acid, insoluble in hydrofluoric acid, dilute sulfuric acidexp.
Vapour pressure
1.83 × 10⁻⁹ Pa at 1600 K, 4.07 × 10⁻⁷ Pa at 1800 K, 3.03 × 10⁻⁵ Pa at 2000 K 0.00102 Pa at 2200 K, 0.0189 Pa at 2400 K /Calculated/exp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
95.94 g/molcalc.
Exact mass
97.9054 Dacalc.
LogP (octanol/water)
0calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
1calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H228Flammable solid.
  • H361Suspected of damaging fertility or the unborn child.
Precautionary statements (14)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P318If exposed or concerned, get medical advice.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3089
Transport hazard class
4.1
Packing group
II

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Molybdenum suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 67 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

67 suppliers in 11 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Molybdenum price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Molybdenum is mainly used as an alloying element in steel, cast iron, and superalloys (->Steel) to increase hardenability, strength, toughness, and corrosion resistance.

Molybdenum ribbon is used for electrical lead-in (e.g., in halogen lamps).

Resistance elements for electric furnaces, electric & electronic components, wear resistant coatings for machine & engine parts, electrodes for glass industry, machine tool accessories (eg, boring bars, grinding quills).

Nuclear energy applications, missile & aircraft parts, catalyst in refining of petroleum.

Industrial uses: Other, Lubricating agent, Alloys, Filler, Catalyst, Intermediate.

Consumer uses: Alloys, Lubricating agent, Other, Filler.

Use classes: Metals/Elements.

Pharmacological actions

  • Trace Elements

Roles

  • food component
  • micronutrient
  • nutrient
  • physiological role

Pharmacology

Molybdenum is an element with atomic symbol Mo, atomic number 42, and atomic weight 95.94.

How it is made

The metal is prepared from the powder made by the hydrogen reduction of purified molybdic trioxide or ammonium molybdate.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Molybdenum is traded under.

HS 8102.10Indicative HS code

Articles thereof, including waste and scrap, powders

Our trade statistics cover HS chapters 25 to 40 (minerals, chemicals, plastics and rubber). This code is in chapter 81, metals, which is not included yet.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Molybdenum is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Molybdenum, based on the data on this page

What is Molybdenum?

Molybdenum atom is a chromium group element atom. It has a role as a micronutrient.

What is the CAS number of Molybdenum?

The CAS registry number of Molybdenum is 7439-98-7. Other or deprecated CAS numbers: 16727-12-1.

What is the molecular formula and weight of Molybdenum?

The molecular formula of Molybdenum is Mo and its molar mass is 95.94 g/mol.

What is Molybdenum used for?

Molybdenum is mainly used as an alloying element in steel, cast iron, and superalloys (->Steel) to increase hardenability, strength, toughness, and corrosion resistance. Molybdenum ribbon is used for electrical lead-in (e.g., in halogen lamps).

Is Molybdenum hazardous?

Molybdenum carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, flammable solid, suspected of damaging fertility or the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Molybdenum?

Molybdenum is usually classified under HS code 810210 (Powders). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Molybdenum?

CompoundList lists 67 suppliers of Molybdenum in United States, China, Germany, India and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Molybdenum in India?

4 suppliers in India list Molybdenum on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Molybdenum?

Suppliers quote Molybdenum on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Molybdenum

Get quotes for Molybdenum

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Molybdenum
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Molybdenum with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/molybdenum-7439-98-7" title="Molybdenum structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Metals, alloys and elements or HS code 810210

67 suppliers
Free quotes, contact stays private
Get quotes