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

A13766 Ammonium molybdate (para) tetrahydrate, 99%

Número CAS
12054-85-2
Nombre Alternativo
Ammonium heptamolybdate tetrahydrate
Ammonium paramolybdate tetrahydrate

Tamaño Precio ($) Cantidad Disponibilidad
50g 27,60
250g 69,60
1000g 215,00
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Ammonium molybdate (para) tetrahydrate, 99%

MDL
MFCD00167059
EINECS
234-722-4

Propiedades químicas

Fórmula
(NH4)6Mo7O24•4H2O
Peso molecular
1235.86 (1163.79anhy)
Punto de fusión
ca 190° dec.
Densidad
2.498
Solubilidad
Soluble in water. Insoluble in alcohol.

Aplicaciones

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.

Notas

Incompatible with strong oxidizing agents and strong acids.

Referencias documentales

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.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

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

Indicaciones de precaución: 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.

Otras referencias

Merck
14,533
Código de tarifa arancelaria unificado
2841.70
TSCA
Yes
RTECS
QA4900000

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