Ammonium Tetrathiomolybdate

CAS 15060-55-6
Linear Formula: (NH4)2MoS4
MDL Number: MFCD00136013
EC No.: N/A

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(2N) 99% Ammonium Tetrathiomolybdate AM-THMO-02 Pricing
(3N) 99.9% Ammonium Tetrathiomolybdate AM-THMO-03 Pricing
(4N) 99.99% Ammonium Tetrathiomolybdate AM-THMO-04 Pricing
(5N) 99.999% Ammonium Tetrathiomolybdate AM-THMO-05 Pricing


Compound Formula H8MoN2S4
Molecular Weight 260.28
Appearance Red. green, purple, or black powder
Melting Point >300 °C
Boiling Point N/A
Density N/A
Monoisotopic Mass 261.86244
Exact Mass 261.86244
Charge -6

Health & Safety Info  |  MSDS / SDS

Signal Word N/A
Hazard Statements N/A
Hazard Codes N/A
Risk Codes N/A
Safety Statements N/A
Transport Information N/A


Ammonium Tetrathiomolybdate 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.


Diammonium disulfido(dithioxo)molybdenum; Ammonium molybdenum sulfide; Diammonium tetrathioxomolybdate(2-); diammonium molybdenum tetrasulfide; Thiomolybdic acid, diammonium salt; Molybdate(2-), tetrathioxo-, diammonium, (T-4)-

Chemical Identifiers

Linear Formula (NH4)2MoS4
CAS 15060-55-6
Pubchem CID 10106661
MDL Number MFCD00136013
EC No. N/A
IUPAC Name diazanium; molybdenum; tetrasulfide
Beilstein Registry No. N/A
SMILES [S-2].[S-2].[S-2].[S-2].[Mo].[NH4+].[NH4+]
InchI Identifier InChI=1S/Mo.2H3N.4S/h;2*1H3;;;;/q;;;4*-2/p+2

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 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 Sulfur products. Sulfur (or Sulphur) (atomic symbol: S, atomic number: 16) is a Block P, Group 16, Period 3 element with an atomic radius of 32.066. Sulfur Bohr ModelThe number of electrons in each of Sulfur's shells is 2, 8, 6 and its electron configuration is [Ne] 3s2 3p4. In its elemental form, sulfur has a light yellow appearance. The sulfur atom has a covalent radius of 105 pm and a Van der Waals radius of 180 pm. In nature, sulfur can be found in hot springs, meteorites, volcanoes, and as galena, gypsum, and epsom salts. Sulfur has been known since ancient times but was not accepted as an element until 1777, when Antoine Lavoisier helped to convince the scientific community that it was an element and not a compound.

Recent Research

Giant magnetic anisotropy in doped single layer molybdenum disulfide and fluorographene., Sivek, J, Sahin H, Partoens B, and Peeters F M. , J Phys Condens Matter, 2016 May 18, Volume 28, Issue 19, p.195301, (2016)

High-Performance Silver Window Electrodes for Top-Illuminated Organic Photovoltaics Using an Organo-molybdenum Oxide Bronze Interlayer., Tyler, Martin S., Walker Marc, and Hatton Ross A. , ACS Appl Mater Interfaces, 2016 May 18, Volume 8, Issue 19, p.12316-23, (2016)

Tetrathiomolybdate Complexes of Rhodium(I) with Molybdenum-Rhodium Interactions., Xamonaki, Nikoletta, Asimakopoulos Anastasios, Balafas Anastasios, Dasenaki Marilena, Choinopoulos Ioannis, Coco Silverio, Simandiras Emmanuel, and Koinis Spyros , Inorg Chem, 2016 May 16, Volume 55, Issue 10, p.4771-81, (2016)

Moisture effects on the electrochemical reaction and resistance switching at Ag/molybdenum oxide interfaces., Yang, Chuan-Sen, Shang Da-Shan, Chai Yi-Sheng, Yan Li-Qin, Shen Bao-Gen, and Sun Young , Phys Chem Chem Phys, 2016 May 14, Volume 18, Issue 18, p.12466-75, (2016)

Mechanism for doping induced p type C60 using thermally evaporated molybdenum trioxide (MoO3) as a dopant., Yang, Jin-Peng, Wang Wen-Qing, Cheng Li-Wen, Li Yan-Qing, Tang Jian-Xin, Kera Satoshi, Ueno Nobuo, and Zeng Xiang-Hua , J Phys Condens Matter, 2016 May 11, Volume 28, Issue 18, p.185502, (2016)

Solar Hydrogen Production from Zinc Telluride Photocathode Modified with Carbon and Molybdenum Sulfide., Jang, Youn Jeong, Lee Jaehyuk, Lee Jinwoo, and Lee Jae Sung , ACS Appl Mater Interfaces, 2016 Mar 30, Volume 8, Issue 12, p.7748-55, (2016)

Terpyridine Molybdenum Dinitrogen Chemistry: Synthesis of Dinitrogen Complexes That Vary by Five Oxidation States., Bezdek, Máté J., Guo Sheng, and Chirik Paul J. , Inorg Chem, 2016 Mar 21, Volume 55, Issue 6, p.3117-27, (2016)

Acid extraction of molybdenum, nickel and cobalt from mineral sludge generated by rainfall water at a metal recycling plant., Vemic, M, Bordas F, Guibaud G, Comte S, Joussein E, Lens P N. L., and van Hullebusch E D. , Environ Technol, 2016 Mar, Volume 37, Issue 5, p.630-9, (2016)

Effects of Molybdenum or/and Cadmium on mRNA Expression Levels of Inflammatory Cytokines and HSPs in Duck Spleens., Cao, Huabin, Zhang Mengmeng, Xia Bing, Xiong Jin, Zong Yibo, Hu Guoliang, and Zhang Caiying , Biol Trace Elem Res, 2016 Mar, Volume 170, Issue 1, p.237-44, (2016)

Dietary toxicity of soluble and insoluble molybdenum to northern bobwhite quail (Colinus virginianus)., Stafford, Jennifer M., Lambert Charles E., Zyskowski Justin A., Engfehr Cheryl L., Fletcher Oscar J., Clark Shanna L., Tiwary Asheesh, Gulde Cynthia M., and Sample Bradley E. , Ecotoxicology, 2016 Mar, Volume 25, Issue 2, p.291-301, (2016)