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12054-85-2

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  • 12054-85-2 Structure

  • Basic information

    1. Product Name: Ammonium molybdate tetrahydrate
    2. Synonyms: Molybdate(6-),hexaammonium,tetrahydrate;MOLYBDIC ACID, AMMONIUM SALT;MOLYBDIC ACID AMMONIUM SALT TETRAHYDRATE;AMMONIUM HEPTA MOLYBDATE, HYDROUS;AMMONIUM HEPTAMOLYBDATE TETRAHYDRATE;AMMONIUM MOLYBDATE(VI) TETRAHYDRATE;AMMONIUM MOLYBDATE (PARA) TETRAHYDRATE;AMMONIUM MOLYBDATE TETRAHYDRATE
    3. CAS NO:12054-85-2
    4. Molecular Formula: 4MoO3.3H2MoO4.4H2O.6H3N
    5. Molecular Weight: 1235.85
    6. EINECS: 234-320-9
    7. Product Categories: Industrial/Fine Chemicals;Water Ttreatment Chemicals
    8. Mol File: 12054-85-2.mol
    9. Article Data: 0

  • Chemical Properties

    1. Melting Point: 190 °C
    2. Boiling Point: 190°C
    3. Flash Point: N/A
    4. Appearance: White to yellow-green/Solid
    5. Density: 2.498 g/mL at 25 °C(lit.)
    6. Refractive Index: N/A
    7. Storage Temp.: room temp
    8. Solubility: H2O: 0.05 M at 20 °C, clear, colorless
    9. Water Solubility: 400 g/L (20 ºC)
    10. Stability: Stable. Incompatible with strong acids, strong oxidizing agents.
    11. Merck: 14,533
    12. CAS DataBase Reference: Ammonium molybdate tetrahydrate(CAS DataBase Reference)
    13. NIST Chemistry Reference: Ammonium molybdate tetrahydrate(12054-85-2)
    14. EPA Substance Registry System: Ammonium molybdate tetrahydrate(12054-85-2)

  • Safety Data

    1. Hazard Codes: Xi,Xn
    2. Statements: 36/37/38-22-20/21/22
    3. Safety Statements: 26-37/39-36/37-36
    4. RIDADR: 3288
    5. WGK Germany: 1
    6. RTECS: QA5076000
    7. TSCA: Yes
    8. HazardClass: N/A
    9. PackingGroup: N/A
    10. Hazardous Substances Data: 12054-85-2(Hazardous Substances Data)

12054-85-2 Usage

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

Different sources of media describe the Uses of 12054-85-2 differently. You can refer to the following data:
1. Determination of phosphates, arsenates, and lead.
2. 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.

Check Digit Verification of cas no

The CAS Registry Mumber 12054-85-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,0,5 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 12054-85:
(7*1)+(6*2)+(5*0)+(4*5)+(3*4)+(2*8)+(1*5)=72
72 % 10 = 2
So 12054-85-2 is a valid CAS Registry Number.
InChI:InChI=1/7Mo.6H3N.10H2O.18O/h;;;;;;;6*1H3;10*1H2;;;;;;;;;;;;;;;;;;/q;;;;3*+2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/p-6/r3H2MoO4.4MoO3.6H3N.4H2O/c3*2-1(3,4)5;4*2-1(3)4;;;;;;;;;;/h3*2-3H;;;;;6*1H3;4*1H2

12054-85-2 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail

  • Alfa Aesar

  • (A13766)  Ammonium molybdate (para) tetrahydrate, 99%   

  • 12054-85-2

  • 50g

  • 226.0CNY

  • Detail

  • Alfa Aesar

  • (A13766)  Ammonium molybdate (para) tetrahydrate, 99%   

  • 12054-85-2

  • 250g

  • 674.0CNY

  • Detail

  • Alfa Aesar

  • (A13766)  Ammonium molybdate (para) tetrahydrate, 99%   

  • 12054-85-2

  • 1000g

  • 1290.0CNY

  • Detail

  • Alfa Aesar

  • (11831)  Ammonium molybdate (para) tetrahydrate, ACS, 81-83% as MoO3   

  • 12054-85-2

  • 50g

  • 246.0CNY

  • Detail

  • Alfa Aesar

  • (11831)  Ammonium molybdate (para) tetrahydrate, ACS, 81-83% as MoO3   

  • 12054-85-2

  • 100g

  • 390.0CNY

  • Detail

  • Alfa Aesar

  • (11831)  Ammonium molybdate (para) tetrahydrate, ACS, 81-83% as MoO3   

  • 12054-85-2

  • 500g

  • 1561.0CNY

  • Detail

  • Alfa Aesar

  • (11831)  Ammonium molybdate (para) tetrahydrate, ACS, 81-83% as MoO3   

  • 12054-85-2

  • 2kg

  • 4992.0CNY

  • Detail

  • Sigma-Aldrich

  • (431346)  Ammoniummolybdatetetrahydrate  ACS reagent, 99.98% trace metals basis

  • 12054-85-2

  • 431346-50G

  • 1,556.10CNY

  • Detail

  • Sigma-Aldrich

  • (431346)  Ammoniummolybdatetetrahydrate  ACS reagent, 99.98% trace metals basis

  • 12054-85-2

  • 431346-250G

  • 5,078.97CNY

  • Detail

  • Vetec

  • (V900224)  Ammoniummolybdatetetrahydrate  Vetec™ reagent grade, 81%

  • 12054-85-2

  • V900224-100G

  • 107.64CNY

  • Detail

  • Sigma

  • (M1019)  Ammoniummolybdatetetrahydrate  BioReagent, suitable for cell culture, suitable for insect cell culture, 81.0-83.0% MoO3 basis

  • 12054-85-2

  • M1019-100G

  • 618.93CNY

  • Detail

  • Sigma

  • (09878)  Ammoniummolybdatetetrahydrate  BioUltra, ≥99.0% (T)

  • 12054-85-2

  • 09878-25G

  • 457.47CNY

  • Detail

12054-85-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Ammonium molybdate tetrahydrate

1.2 Other means of identification

Product number -
Other names AmmoniumMolybdateAcs

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:12054-85-2 SDS

12054-85-2Upstream product

12054-85-2Downstream Products

12054-85-2Related news

Organic photovoltaic devices incorporating a molybdenum oxide hole-extraction layer deposited by spray-coating from an Ammonium molybdate tetrahydrate (cas 12054-85-2) precursor07/27/2019

Polymer bulk heterojunction solar cells have been constructed using a thin film molybdenum oxide (MoOx) hole extraction layer that was fabricated by thermally annealing an ammonium molybdate tetrahydrate precursor layer deposited in air by ultrasonic spray-coating. Onto this layer was spray cast...detailed

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