Ammonium Heptamolybdate

CAS #:

Linear Formula:


MDL Number:


EC No.:



(2N) 99% Ammonium Heptamolybdate
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(3N) 99.9% Ammonium Heptamolybdate
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(4N) 99.99% Ammonium Heptamolybdate
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(5N) 99.999% Ammonium Heptamolybdate
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Ammonium Heptamolybdate Properties (Theoretical)

Compound Formula H24Mo7N6O24
Molecular Weight 1163.9
Appearance White to off-white powder or crystals
Melting Point 190 °C
Boiling Point N/A
Density 2.498 g/cm3
Solubility in H2O N/A
Exact Mass 1167.425807 g/mol
Monoisotopic Mass 1177.42202 g/mol

Ammonium Heptamolybdate Health & Safety Information

Signal Word N/A
Hazard Statements N/A
Hazard Codes N/A
RTECS Number QA5076000
Transport Information NONH for all modes of transport
WGK Germany 1

About Ammonium Heptamolybdate

Ammonium Heptamolybdate (or Hexaamonium Molybdate) is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Ammonium Heptamolybdate Synonyms

Hexaammonium molybdate; Ammonium molybdate(VI); Ammonium molybdenum oxide; Molybdic acid, diammonium salt; Ammonium molybdate (para); Ammonium paramolybdate; Molybdic acid ammonium salt; Dihydroxy(dioxo)molybdenum - trioxomolybdenum ammoniate; CAS 11098-84-3

Chemical Identifiers

Linear Formula (NH4)6Mo7O24
MDL Number MFCD00064633
EC No. 234-320-9
Pubchem CID 44134832
IUPAC Name azane; dihydroxy(dioxo) molybdenum; trioxomolybdenum
SMILES N.N.N.N.N.N.O[Mo](=O)(=O)O.O[Mo](=O)(=O)O.O[Mo](=O)(=O)O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O
InchI Identifier InChI=1S/7Mo.6H3N.6H2O.18O/h;;;;;;;6*1H3;6*1H2;;;;;;;;;;;;;;;;;;/q;;;;3*+2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/p-6

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 Elements


See more Molybdenum products. Molybdenum (atomic symbol: Mo, atomic number: 42) is a Block D, Group 6, Period 5 element with an atomic weight of 95.96. Molybdenum Bohr ModelThe number of electrons in each of molybdenum's shells is [2, 8, 18, 13, 1] and its electron configuration is [Kr] 4d5 5s1. The molybdenum atom has a radius of 139 pm and a Van der Waals radius of 209 pm. In its elemental form, molybdenum has a gray metallic appearance. Molybdenum was discovered by Carl Wilhelm in 1778 and first isolated by Peter Jacob Hjelm in 1781. Molybdenum is the 54th most abundant element in the earth's crust. Elemental MolybdenumIt 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. The origin of the name Molybdenum comes from the Greek word molubdos meaning lead.


See more Nitrogen products. Nitrogen is a Block P, Group 15, Period 2 element. Its electron configuration is [He]2s22p3. Nitrogen is an odorless, tasteless, colorless and mostly inert gas. It is the seventh most abundant element in the universe and it constitutes 78.09% (by volume) of Earth's atmosphere. Nitrogen was discovered by Daniel Rutherford in 1772.

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