Ammonium molybdate anhydrous
Grundinformationen
- CAS
12027-67-7- Standard-SMILES
O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2]- InChIKey
XCOMAVCHADVANQ-UHFFFAOYSA-O- Summenformel
- H32Mo7N6O28-42
- Durchschnittliche Molmasse
- 1.235,9 g/mol
- Monoisotopische Masse
- 1.249,46428
Überblick
Ammonium molybdate is a white to greenish-yellow solid. Sinks and mixes with water. (USCG, 1999)
Namen und Bezeichner
- Bevorzugter Name
- Ammonium molybdate anhydrous
- IUPAC
- hexaazanium;molybdenum;(oxygen(2-));tetrahydrate
- Englischer Name
- Ammonium molybdate tetrahydrate
- Summenformel
- 4MoO3.3H2MoO4.4H2O.6H3N
- Molmasse
- 1235.85
Namen und Synonyme
Hexaammonium molybdate tetrahydrateOGI154X474RefChem:915719DTXSID5036896MOLYBDENUM (AS AMMONIUM MOLYBDATE)Molybdate (Mo7O246-), hexaammonium, tetrahydrate234-320-9234-722-4603-021-912501-45-021Y68J178EAmmonium Molybdate
Weitere Namen anzeigen
HEXAAMMONIUM HEPTAMOLYBDATE TETRAHYDRATEAMMONIUM HEPTAMOLYBDATE TETRAHYDRATEAMMONIUM PARAMOLYBDATE TETRAHYDRATEMolybdate(6-),hexaammonium,tetrahydrateSOC MEDIAAmmonium MoLAmmoniumMolybdateArAmmoniumMolybdateGrybdate TetrahydrateAmmonium molybdate t
ammonium molybdate anhydrousAmmonium molybdate(VI) tetrahydrateAmmonium paramolybdateCHEBI:91249Diammonium molybdate ((NH4)2MoO4)Hexaammonium heptamolybdateMolybdate (Mo7O246-), ammonium (1:6)Molybdic acid, diammonium salt
Datenbank-Bezeichner
- CAS
12027-67-7、12054-85-2、12501-45-0、13106-76-8
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 34 Ų
- H-Brücken-Donoren
- 10
- H-Brücken-Akzeptoren
- 28
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 41
- Formalladung
- -42
- Komplexität
- 0
Experimentelle und physikochemische Eigenschaften
Chemical ClassesMetals -> Metals, Inorganic Compounds
Density
1.4 at 68 °F 2.398 (USCG, 1999) - Denser than water; will sink
2.27 @25 °C
2.498 @25 °C
Melting Point90 °C
Physical Description
Ammonium molybdate is a white to greenish-yellow solid. Sinks and mixes with water. (USCG, 1999)
Liquid; Dry Powder; Large Crystals
White lumps or powder; Partially soluble in water; [MSDSonline]
Physikochemische Eigenschaften
- Schmelzpunkt
- 190 °C · 190 °C
- Siedepunkt
- 190 °C · 190°C
- Dichte
- 2.498 g/mL · 2.498 g/mL at 25 °C (lit.)
- storage temp.
- Inert atmosphere,Room Temperature
- Löslichkeit
- 2 O: · H2O: 0.05 M at 20 °C, clear, colorless
- Aggregatzustand
- Solid
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 90.4% (281 of 311) of all reports.
Not Classified
Aggregated GHS information provided per 311 reports by companies from 10 notifications to the ECHA C&L Inventory.
Warning
H302: Harmful if swallowed [Warning Acute toxicity, oral]
P203, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P304+P340, P305+P351+P338, P318, P319, P330, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)
Gefahrenhinweise
Regulatory Information
Molybdate (Mo7O246-), ammonium (1:6) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Molybdate (Mo7O246-), ammonium (1:6) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: Hexaammonium heptamolybdate (EC: 234-722-4)
Restricted substance: Hexaammonium heptamolybdate
Ammonium molybdate: Does not have an individual approval but may be used under an appropriate group standard
Fire HazardsSpecial Hazards of Combustion Products: Toxic oxides of nitrogen may form in fire. (USCG, 1999)
Health HazardsInhalation causes irritation of nose and throat. Contact with eyes causes irritation. (USCG, 1999)
Hazards SummaryAn irritant; [MSDSonline] See Ammonium molybdate tetrahydrate. See Molybdenum.
Reactive GroupSalts, Acidic
Reactivity Profile
Chemie und Industrie
Pharmakologische Informationen
MeSH Pharmacological ClassificationChemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.
Verwendung und Herstellung
UsesA metallic negative stain that is used to negative stain the Formvar backing on coated electron microscopic grids for transmission electron microscopy. [Hayes, p. 2075]
U.S. Production2023: 2,500,000 - <4,000,000 lb
Consumer UsesIntermediate
Industry UsesIntermediate
Household ProductsInformation on 2 consumer products that contain Ammonium molybdate in the following categories is provided:
General Manufacturing Information
Petroleum Lubricating Oil and Grease Manufacturing
Molybdate (Mo7O246-), ammonium (1:6): ACTIVE
Anwendungen
VerwendenAmmonium 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.
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