Ammonium molybdate tetrahydrate

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Ammonium molybdate tetrahydrate

Description References

Product Name: 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
Formula Weight: 1235.85
MOL File: 12054-85-2.mol

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Ammonium molybdate tetrahydrate Property

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)
EPA Substance Registry System: Molybdate [Mo7O24(6-)], hexaammonium, tetrahydrate (12054-85-2)

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Safety

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

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 1.01182
Product name: Ammonium heptamolybdate tetrahydrate
Purity: GR for analysis ACS,ISO,Reag. Ph Eur
Packaging: 250g
Price: $280
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.01182
Product name: Ammonium heptamolybdate tetrahydrate
Purity: GR for analysis ACS,ISO,Reag. Ph Eur
Packaging: 1kg
Price: $907
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.01182
Product name: Ammonium heptamolybdate tetrahydrate
Purity: GR for analysis ACS,ISO,Reag. Ph Eur
Packaging: 5kg
Price: $3630
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.01181
Product name: Ammonium heptamolybdate tetrahydrate
Purity: (ammonium molybdate) powder extra pure
Packaging: 250g
Price: $271
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.01181
Product name: Ammonium heptamolybdate tetrahydrate
Purity: (ammonium molybdate) powder extra pure
Packaging: 1kg
Price: $624
Updated: 2024/03/01

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Ammonium molybdate tetrahydrate Chemical Properties,Usage,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

Molybdenum concentrate Molybdenum trioxide

Preparation Products

desulfurizating hydrogenation Ni-Mo catalysts other desulfurizating hydrogenation catalysts sulphur resistant CO shift catalysts medium temperature Shift catalysts Molybdenum trioxide a new Mo/carbonized resin catalyst Molybdenum disulfide Copper(II) phthalocyanine noncyanide zinc plating additive-TDAE CI NO 77605 Direct Blue 86 Molybdic acid medium(high)temperature Shift catalysts

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View Lastest Price from Ammonium molybdate tetrahydrate manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Ammonium Molybdate Tetrahydrate 12054-85-2
Price: US $200.00-95.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 20ton
Release date: 2024-04-26

Ouhuang Engineering Materials (Hubei) Co., Ltd

Product: Ammonium molybdate tetrahydrate 12054-85-2
Price: US $3.00/kg
Min. Order: 1kg
Purity: 99.92%
Supply Ability: 50000tons
Release date: 2024-04-19

Hebei Saisier Technology Co., LTD

Product: Ammonium molybdate tetrahydrate 12054-85-2
Price: US $6.00-3.00/KG
Min. Order: 1KG
Purity: More than 99%
Supply Ability: 2000KG/Month
Release date: 2024-04-03

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