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Ammonium molybdate tetrahydrate

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Products Intro: Product Name:Ammonium Molybdate(VI) Tetrahydrate
CAS:12054-85-2
Purity:0.99
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CAS:12054-85-2
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CAS:12054-85-2
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CAS:12054-85-2
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Products Intro: Product Name:Ammonium molybdate tetrahydrate
CAS:12054-85-2

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Ammonium molybdate tetrahydrate Basic information
Description References
Product Name:Ammonium molybdate tetrahydrate
Synonyms:Molybdate(6-),hexaammonium,tetrahydrate;AMMONIUM HEPTA MOLYBDATE, HYDROUS;AMMONIUM MOLYBDATE(VI) TETRAHYDRATE;AMMONIUM MOLYBDATE (PARA) TETRAHYDRATE;AMMONIUM MOLYBDATE TETRAHYDRATE;AMMONIUM MOLYBDATE - 4 H2O;AMMONIUM MOLYBDATE, 4-HYDRATE;MOLYBDIC ACID, AMMONIUM SALT
CAS:12054-85-2
MF:4MoO3.3H2MoO4.4H2O.6H3N
MW:1235.85
EINECS:601-720-3
Product Categories:Water Ttreatment Chemicals;Industrial/Fine Chemicals
Mol File:12054-85-2.mol
Ammonium molybdate tetrahydrate Structure
Ammonium molybdate tetrahydrate Chemical Properties
Melting point 190 °C
Boiling point 190°C
density 2.498 g/mL at 25 °C (lit.)
storage temp. Inert atmosphere,Room Temperature
solubility H2O: 0.05 M at 20 °C, clear, colorless
form Solid
color White to yellow-green
PH4.0-5.5 (25℃, 0.05M in H2O)
OdorOdorless
PH Range5 - 5.5
Water Solubility 400 g/L (20 ºC)
Merck 14,533
Exposure limitsACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3
Stability:Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference12054-85-2(CAS DataBase Reference)
EPA Substance Registry SystemMolybdate [Mo7O24(6-)], hexaammonium, tetrahydrate (12054-85-2)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-22-20/21/22
Safety Statements 26-37/39-36/37-36
RIDADR 3288
WGK Germany 1
RTECS QA5076000
TSCA Yes
HS Code 28417000
MSDS Information
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Ammonium molybdate tetrahydrate English
SigmaAldrich English
ACROS English
ALFA English
Ammonium molybdate tetrahydrate Usage And Synthesis
DescriptionAmmonium molybdate tetrahydrate (also referred to as Ammonium heptamolybdate, chemical formula: (NH4)6Mo7O24)), appearing as a colorless solid. It can be manufactured through dissolving the molybdenum trioxide in excess amount of aqueous ammonia and evaporating the solution at the room temperature. It has many applications, e.g. as an analytic reagent for measuring content of phosphates, silicates, arsenates and lead; for the production of molybdenum metal and ceramics; for the production of dehydrogenation and desulphurization catalysts; for the fixing of metals; for electroplating; supplement in the crop fertilizer; as a negative stain in biological electron microscopy; as an analgesic in medical fields.
Referenceshttps://en.wikipedia.org/wiki/Ammonium_heptamolybdate
https://www.alfa.com/zh-cn/catalog/A13766/
Chemical PropertiesWhite, crystalline powder. Soluble in water; insoluble in alcohol. Nonflammable.
UsesDetermination of phosphates, arsenates, and lead.
UsesAmmonium molybdate tetrahydrate is widely utilized in cryo-negative staining which helps to visualize particles while preserving the sample. It is used as a catalyst to desulfurize thiophene and its derivatives. It serves as an analytical reagent to measure the amount of phosphates, silicates, arsenates and lead in an aqueous solution. It is also used in electroplating, in fertilizers for crops and in the production of molybdenum metal and ceramics. It is used as an analgesic in medical field.
General DescriptionAmmonium molybdate tetrahydrate (AMT) is a molybdenum salt. Study of its extraction from nickel-molybdenum (Ni–Mo) ore by direct hydrometallurgical method has been reported. Its degradation by combustion to form elemental molybdenum powder using metallic reducers has been investigated.
HazardIrritant.
Tag:Ammonium molybdate tetrahydrate(12054-85-2) Related Product Information
Ammonium molybdate Ammonium hydroxide Ammonium citrate tribasic Molybdenum Molybdic acid Ammonium sulfate Sodium molybdate Ammonium acetate Ammonium chloride allyltrimethylammonium chloride Sodium molybdate dihydrate Barium molybdate ZINC MOLYBDATE AMMONIUM Ammonium nitrate AMMONIUM PHOSPHOMOLYBDATE HYDRATE Hexaammonium molybdate AMMONIUM MOLYBDATE,AMMONIUM MOLYBDATE (DI),AMMONIUM MOLYBDATE REAGENT,AMMONIUM MOLYBDATE TS Ammonium Heptamolybdate Tetrahydrate