ChemicalBook >> CAS DataBase List >>Ammonium molybdate tetrahydrate
Ammonium molybdate tetrahydrate
- CAS No.
- 12054-85-2
- Chemical Name:
- Ammonium molybdate tetrahydrate
- Synonyms
- AMMONIUM HEPTAMOLYBDATE TETRAHYDRATE;HEXAAMMONIUM HEPTAMOLYBDATE TETRAHYDRATE;SOC MEDIA;Ammonium MoL;AmmoniumMolybdateAr;AmmoniumMolybdateGr;ybdate Tetrahydrate;Ammonium molybdate t;AmmoniumMolybdateAcs;AmmoniumMolybdateUsp
- CBNumber:
- CB3122242
- Molecular Formula:
- 4MoO3.3H2MoO4.4H2O.6H3N
- Molecular Weight:
- 1235.85
- MDL Number:
- MFCD00167059
- MOL File:
- 12054-85-2.mol
- MSDS File:
- SDS
Last updated:2024-04-19 15:36:20
| 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 |
| PH | 4.0-5.5 (25℃, 0.05M in H2O) |
| Odor | Odorless |
| PH Range | 5 - 5.5 |
| Water Solubility | 400 g/L (20 ºC) |
| Merck | 14,533 |
| Exposure limits |
ACGIH: TWA 0.5 mg/m3 NIOSH: IDLH 1000 mg/m3 |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents. |
| CAS DataBase Reference | 12054-85-2(CAS DataBase Reference) |
| FDA UNII | OGI154X474 |
| EPA Substance Registry System | Molybdate [Mo7O24(6-)], hexaammonium, tetrahydrate (12054-85-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| 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 | |||||||||
| NFPA 704 |
|
Ammonium molybdate tetrahydrate price More Price(82)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1.01182 | Ammonium heptamolybdate tetrahydrate GR for analysis ACS,ISO,Reag. Ph Eur | 12054-85-2 | 250g | $280 | 2024-03-01 | Buy |
| Sigma-Aldrich | 1.01182 | Ammonium heptamolybdate tetrahydrate GR for analysis ACS,ISO,Reag. Ph Eur | 12054-85-2 | 1kg | $907 | 2024-03-01 | Buy |
| Sigma-Aldrich | 1.01182 | Ammonium heptamolybdate tetrahydrate GR for analysis ACS,ISO,Reag. Ph Eur | 12054-85-2 | 5kg | $3630 | 2024-03-01 | Buy |
| Sigma-Aldrich | 1.01181 | Ammonium heptamolybdate tetrahydrate (ammonium molybdate) powder extra pure | 12054-85-2 | 250g | $271 | 2024-03-01 | Buy |
| Sigma-Aldrich | 1.01181 | Ammonium heptamolybdate tetrahydrate (ammonium molybdate) powder extra pure | 12054-85-2 | 1kg | $624 | 2024-03-01 | Buy |
Ammonium molybdate tetrahydrate Chemical Properties,Uses,Production
Description
Ammonium 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.
References
https://en.wikipedia.org/wiki/Ammonium_heptamolybdate
https://www.alfa.com/zh-cn/catalog/A13766/
Chemical Properties
White, crystalline powder. Soluble in water; insoluble in alcohol. Nonflammable.
Uses
Determination of phosphates, arsenates, and lead.
Uses
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.
General Description
Ammonium 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.
Hazard
Irritant.
Ammonium molybdate tetrahydrate Preparation Products And Raw materials
Raw materials
Preparation Products
desulfurizating hydrogenation Ni-Mo catalysts
other desulfurizating hydrogenation catalysts
sulphur resistant CO shift catalysts
medium temperature Shift catalysts
Molybdenum trioxide
1of3
Global( 432)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
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View Lastest Price from Ammonium molybdate tetrahydrate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2024-04-19 | Ammonium molybdate tetrahydrate
12054-85-2
|
US $3.00 / kg | 1kg | 99.92% | 50000tons | Ouhuang Engineering Materials (Hubei) Co., Ltd | |
 |
2024-04-12 | Ammonium molybdate tetrahydrate
12054-85-2
|
US $6.00-3.00 / KG | 1KG | More than 99% | 2000KG/Month | Hebei Saisier Technology Co., LTD | |
 |
2024-04-12 | Ammonium molybdate tetrahydrate
12054-85-2
|
US $6.00 / KG | 1KG | More than 99% | 2000KG/Month | Hebei Saisier Technology Co., LTD |
-
- Ammonium molybdate tetrahydrate
12054-85-2
- US $3.00 / kg
- 99.92%
- Ouhuang Engineering Materials (Hubei) Co., Ltd
-
- Ammonium molybdate tetrahydrate
12054-85-2
- US $6.00-3.00 / KG
- More than 99%
- Hebei Saisier Technology Co., LTD
-
- Ammonium molybdate tetrahydrate
12054-85-2
- US $6.00 / KG
- More than 99%
- Hebei Saisier Technology Co., LTD
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