ammonium heptamolybdate

molybdic acid, hexaammonium salt

CAS: 12027-67-7 H66 Mo7 N6 O24 MW: 1206.26882000

Identification

Nameammonium heptamolybdate
IUPACazane;molybdenum;tetracosahydrate
CAS Number12027-67-7
EINECS234-722-4
FDA UNII21Y68J178E
Molecular FormulaH66 Mo7 N6 O24
Molecular Weight1206.26882000
MDL NumberMFCD00167059

Regulatory

Physical Properties

Appearance greenish-yellow solid (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Vapor Pressure 5990.000000 mmHg @ 25.00 °C. (est)
Flash Point 32.00 °F. TCC ( 0.00 °C. ) (est)

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryinformation only not used for fragrances or flavors
Recommendation for ammonium heptamolybdate usage levels up tonot for fragrance use.
Recommendation for ammonium heptamolybdate flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

ammonium molybdate(VI) azane;molybdenum;tetracosahydrate hexaammonium heptamolybdate hexammonium tetracosaoxoheptamolybdate molybdate, hexaammonium (9CI) molybdic acid, hexaammonium salt PubMed: Ultrathin ammonium heptamolybdate films as efficient room-temperature hole transport layers for organic solar cells. PubMed: Phase formation during the decomposition of ammonium heptamolybdate--an in situ XAFS and XRD investigation. PubMed: Hydrothermal synthesis of amorphous MoS2nanofiber bundles via acidification of ammonium heptamolybdate tetrahydrate. PubMed: [Acute ammonium heptamolybdate poisoning: apropos of a case]. PubMed: Unusual reduction of ammonium heptamolybdate to novel molybdenum(IV)-stabilized azo anion radical complexes. PubMed: Facile Preparation of Molybdenum Bronzes as an Efficient Hole Extraction Layer in Organic Photovoltaics. PubMed: Precursor salt assisted syntheses of high-index faceted concave hexagon and nanorod-like polyoxometalates. PubMed: Nanostructured molybdenum oxide-based antibacterial paint: effective growth inhibition of various pathogenic bacteria. PubMed: Preparation of h-MoO3 and α-MoO3 nanocrystals: comparative study on photocatalytic degradation of methylene blue under visible light irradiation. PubMed: Low-temperature, solution-processed hole selective layers for polymer solar cells. PubMed: Novel MoO2/carbon hierarchical nano/microcomposites: synthesis, characterization, solid state transformations and thiophene HDS activity. PubMed: Radiometals from liquid targets: 94mTc production using a standard water target on a 13 MeV cyclotron. PubMed: Selective cleavage of pepsin by molybdenum metallopeptidase. PubMed: Purification and some properties of rose (Fructus cynosbati) hips invertase. PubMed: Synthesis and antitumoral activity of gelatin/polyoxometalate hybrid nanoparticles. PubMed: Comparison of three post-column reaction methods for the analysis of bromate and nitrite in drinking water. PubMed: Zeolitic polyoxometalate-based metal-organic frameworks (Z-POMOFs): computational evaluation of hypothetical polymorphs and the successful targeted synthesis of the redox-active Z-POMOF1. PubMed: Characterization by 27Al NMR, X-ray absorption spectroscopy, and density functional theory techniques of the species responsible for benzene hydrogenation in Y zeolite-supported carburized molybdenum catalysts. PubMed: Observation of the ammonium salt of 12-molybdophosphoric acid by in situ Raman spectroscopy during solid-state synthesis: spectral analysis and reconstruction using the band-target entropy minimization (BTEM) algorithm. PubMed: Spectrophotometric detection of arsenic using flow-injection hydride generation following sorbent extraction preconcentration. PubMed: Optimization of the synthesis of alpha-MoO3 nanoribbons and hydrodesulfurization (HDS) catalyst test. PubMed: Application of oxidants to the spectrophotometric determination of amlodipine besylate in pharmaceutical formulations. PubMed: Preparation and characterization of 6-molybdocobaltate and 6-molybdoaluminate cobalt salts. Evidence of a new heteropolymolybdate structure. PubMed: Urea as 'deus ex machina' in giant molybdenum blue type cluster synthesis: an unusual hybrid compound with perspectives for related nano, supramolecular and extended structures. PubMed: Ultrastructural relationships of spinal primary afferent fibres with neuronal and non-neuronal cells in the myenteric plexus of the cat oesophago-gastric junction. PubMed: In vivo effect of molybdenum on benzo(a)pyrene metabolism in liver and lung rat microsomes. PubMed: Visualizing anterogradely transported HRP by use of TMB histochemistry: comparison of the TMB-SNF and TMB-AHM methods. PubMed: Effect of mordenite dealumination on the structure of encapsulated molybdenum catalysts. PubMed: Envisaging the physicochemical processes during the preparation of supported catalysts: Raman microscopy on the impregnation of Mo onto Al2O3 extrudates. PubMed: Crystal Structure of an Ammonium Nickel Molybdate Prepared by Chemical Precipitation. PubMed: Supravital uptake of methylene blue by dendritic cells within stratified squamous epithelia: a light and electron microscope study. PubMed: Light and electron microscopical demonstration of methylene blue accumulation sites in taste buds of fish and mouse after supravital dye injection. PubMed: Molybdenum-induced changes in the epiphyseal growth plate. PubMed: Supravital staining of murine brain with methylene blue according to the Cajal method: a simple and reliable preparation technique for embedding in paraffin. PubMed: The histochemical reaction of horseradish peroxidase in rodent 'whole-brain' preparations. PubMed: A triple-labeling method: HRP anterograde tract tracing combined with double immunofluorescent cell staining in developing neural tissue of the rat. PubMed: Improvement of the tetramethyl benzidine reaction with ammonium molybdate as a stabilizer for light and electron microscopic ligand-HRP neurohistochemistry, immunocytochemistry and double-labelling. PubMed: Paraffin sections of nervous tissue supravitally stained with methylene blue: a new, reliable and simple fixation technique. PubMed: In vitro influence of molybdenum on benzo[a]pyrene metabolism in hepatic and pulmonary rat microsomes. PubMed: Local supravital staining with methylene blue as marking technique for neurons. PubMed: Inhibitory effect of molybdenum and vanadium salts on aflatoxin B1 synthesis by Aspergillus flavus.