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Ammonium molybdate

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CAS:13106-76-8
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CAS:13106-76-8
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CAS:13106-76-8
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Ammonium molybdate manufacturers

  • Ammonium molybdate
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  • 2023-08-30
  • CAS:13106-76-8
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  • Purity: 99%
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  • Ammonium molybdate
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  • 2023-07-25
  • CAS:13106-76-8
  • Min. Order: 1T
  • Purity: 99%
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  • ammonium molybdate
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  • $20.00 / 1kg
  • 2023-04-25
  • CAS:13106-76-8
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Ammonium molybdate Basic information
Product Name:Ammonium molybdate
Synonyms:AMMoniuM Molybdate (Hepta);AMMoniuM Molybdate, (trace Metal basis);AMMoniuM Molybdate, 99.998%, (trace Metal basis);AMMoniuM Molybdate, 99.998% 25GR;AMMoniuM Molybdate, 99.998% 5GR;Molybdic acid bisammonium salt;Ammonium molybdate,99.998%;Ammonium Molybdate (Metals Basis)
CAS:13106-76-8
MF:H4MoNO4-
MW:177.99
EINECS:236-031-3
Product Categories:Ammonium SaltsChemical Synthesis;Catalysis and Inorganic Chemistry;Metal and Ceramic Science;Molybdenum;Salts;Inorganics;Industrial/Fine Chemicals;Ammonium Salts;Catalysis and Inorganic Chemistry;Chemical Synthesis;Materials Science;Metal and Ceramic Science;fine chemicals
Mol File:13106-76-8.mol
Ammonium molybdate Structure
Ammonium molybdate Chemical Properties
density 2.498
storage temp. Inert atmosphere,Room Temperature
solubility ethanol: insoluble(lit.)
form Powder
color White
Water Solubility Soluble in water, acid and alkali, but insoluble in alcohol.
Exposure limitsACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3
CAS DataBase Reference13106-76-8(CAS DataBase Reference)
EPA Substance Registry SystemMolybdate (MoO42-), ammonium (1:2), (T-4)- (13106-76-8)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 1
RTECS QA4900000
TSCA Yes
HS Code 28417010
ToxicityLD50 orl-rat: 333 mg/kg 28ZLA8 -,214,61
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
Ammonium molybdate Usage And Synthesis
Chemical PropertiesAmmonium molybdate is a colorless, white or slightly greenish-yellow powder. It is used in chemical analysis for the determination of phosphorus. From a nitric acid solution it precipitates phosphorus in the form of ammonium phosphomolybdate having the formula (NH4)3PO4-12MoO3 after drying at 110 °C(230°F). Some of the phosphomolybdic acids are used as reagents for the alkaloids and in the analysis and separation of the alkali metals.
UsesAmmonium molybdate has been used to prepare phosphomolybdates. (NH4)2MoO4 was used as an analytical reagent for quantitative analysis of phosphates, silicates, arsenates and lead in their aqueous solutions. At saturated concentration, (NH4)2MoO4 was used to perform cryo-negative staining and as a negative stain in biological electron microscopy. Ammonium molybdate was used in study of crystallisation of cell-free-expressed membrane proteins.
Production MethodsPure molybdic oxide (99.95% MoO3) is prepared by sublimation of technical oxide or by calcining ammonium molybdate. Metallic molybdenum powder is prepared commercially by hydrogen reduction of either pure molybdic oxide or ammonium molybdate in a two-step process.
DefinitionChEBI: Ammonium molybdate is an ammonium salt composed of ammonium and molybdate ions in a 2:1 ratio. It has a role as a poison. It contains a molybdate.
General DescriptionAmmonium molybdate can be prepared by dissolving molybdenum trioxide in ammonia.
Flammability and ExplosibilityNot classified
Safety ProfilePoison by ingestion and intraperitoneal routes. Moderately toxic by other routes. An irritant. See also MOLYBDENUM COMPOUNDS. When heated to decomposition it emits toxic fumes of NH3 and NOx.
Potential ExposureIt is used as an analytical reagent, in pigments and in the production of molybdenum metal and ceramics.
ShippingThere are no known UN/DOT restrictions.
Purification MethodsCrystallise the salt from water (2.5mL/g) by partial evaporation in a desiccator. [Sturdivant J Am Chem Soc 59 630 1937, Grüttner & Jauder in Handbook of Preparative Inorganic Chem (Ed. Brauer) Academic Press Vol II p 1711 1965.]
IncompatibilitiesIncompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides; chemically active metals (such as potassium, sodium, magnesium and zinc) may cause a violent reaction.
Tag:Ammonium molybdate(13106-76-8) Related Product Information
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