Informativa e consenso per l'uso dei cookie

Accetto Il nostro sito salva piccoli pezzi di informazioni (cookie) sul dispositivo, al fine di fornire contenuti migliori e per scopi statistici. È possibile disattivare l'utilizzo di cookies modificando le impostazioni del tuo browser. Continuando la navigazione si acconsente all'utilizzo dei cookie.

12054-85-2 - Ammonium molybdate (para) tetrahydrate, 99% - Ammonium heptamolybdate tetrahydrate - Ammonium paramolybdate tetrahydrate - A13766 - Alfa Aesar

A13766 Ammonium molybdate (para) tetrahydrate, 99%

Codice CAS
12054-85-2
Sinonimi
Ammonium heptamolybdate tetrahydrate
Ammonium paramolybdate tetrahydrate

Dimensioni Prezzo ($) Quantità Disponibilità
50g 27,60
250g 69,60
1000g 215,00
Aggiungi al carrello Aggiungi al preventivo generale Visualizza articolo

Ammonium molybdate (para) tetrahydrate, 99%

MDL
MFCD00167059
EINECS
234-722-4

Proprietà chimiche

Formula
(NH4)6Mo7O24•4H2O
Peso formula
1235.86 (1163.79anhy)
Punto di fusione
ca 190° dec.
Densità
2.498
Solubilità
Soluble in water. Insoluble in alcohol.

Applicazioni

Ammonium 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.

Note

Incompatible with strong oxidizing agents and strong acids.

Letteratura

The combination with hydrogen peroxide is a system for the ambient temperature oxidative cleavage of epoxides to form ɑ-hydroxy ketones: Chem. Lett., 844 (2000).

Lince, J. R.; Pluntze, A. M.; Jackson, A.; Radhakrishnan, G.; Adams, P. M. Tribochemistry of MoS3Nanoparticle Coatings. Tribol Lett. 2014, 53 (3), 543-554.

McIntosha, S.; Bosscheb, M. V. Towards Understanding the Hydrocarbon Oxidation Activity of Oxides for Direct Hydrocarbon SOFC Anodes. ECS Trans. 2011, 35 (1), 2781-2788.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Dichiarazioni precauzionali: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,533
Codice tariffe armonizzato
2841.70
TSCA
Yes
RTECS
QA4900000

Raccomandato

  • A10142

    Cerium(IV) sulfate hydrate, 98%
  • A10889

    Antimony potassium tartrate hydrate, 98%
  • L20254

    Cerium(IV) sulfate, anhydrous, 97%
  • 33262

    Oxalic acid dihydrate, ACS, 99.5-102.5%
  • 40194

    Cerium(IV) ammonium sulfate dihydrate, ACS, 94% min

Visualizzati di recente

Prodotti chimici

Scienze della vita

Metalli e materiali

Catalizzatori

Apparecchiature di analisi e di laboratorio