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13106-76-8

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13106-76-8 Usage

Chemical Properties

Ammonium molybdate is a colorless, white or slightly greenish-yellow powder. It is used in chemical analysis for the determination of phosphorus. From a nitric acid solution it precipitates phosphorus in the form of ammonium phosphomolybdate having the formula (NH4)3PO4-12MoO3 after drying at 110 °C(230°F). Some of the phosphomolybdic acids are used as reagents for the alkaloids and in the analysis and separation of the alkali metals.

Uses

Ammonium molybdate has been used to prepare phosphomolybdates. (NH4)2MoO4 was used as an analytical reagent for quantitative analysis of phosphates, silicates, arsenates and lead in their aqueous solutions. At saturated concentration, (NH4)2MoO4 was used to perform cryo-negative staining and as a negative stain in biological electron microscopy. Ammonium molybdate was used in study of crystallisation of cell-free-expressed membrane proteins.

Definition

ChEBI: Ammonium molybdate is an ammonium salt composed of ammonium and molybdate ions in a 2:1 ratio. It has a role as a poison. It contains a molybdate.

Production Methods

Pure molybdic oxide (99.95% MoO3) is prepared by sublimation of technical oxide or by calcining ammonium molybdate. Metallic molybdenum powder is prepared commercially by hydrogen reduction of either pure molybdic oxide or ammonium molybdate in a two-step process.

General Description

Ammonium molybdate can be prepared by dissolving molybdenum trioxide in ammonia.

Flammability and Explosibility

Notclassified

Safety Profile

Poison by ingestion and intraperitoneal routes. Moderately toxic by other routes. An irritant. See also MOLYBDENUM COMPOUNDS. When heated to decomposition it emits toxic fumes of NH3 and NOx.

Potential Exposure

It is used as an analytical reagent, in pigments and in the production of molybdenum metal and ceramics.

Shipping

There are no known UN/DOT restrictions.

Purification Methods

Crystallise the salt from water (2.5mL/g) by partial evaporation in a desiccator. [Sturdivant J Am Chem Soc 59 630 1937, Grüttner & Jauder in Handbook of Preparative Inorganic Chem (Ed. Brauer) Academic Press Vol II p 1711 1965.]

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides; chemically active metals (such as potassium, sodium, magnesium and zinc) may cause a violent reaction.

Check Digit Verification of cas no

The CAS Registry Mumber 13106-76-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,0 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13106-76:
(7*1)+(6*3)+(5*1)+(4*0)+(3*6)+(2*7)+(1*6)=68
68 % 10 = 8
So 13106-76-8 is a valid CAS Registry Number.
InChI:InChI=1/Mo.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2/rH2MoO4.2H3N/c2-1(3,4)5;;/h2-3H;2*1H3

13106-76-8 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
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  • Detail
  • Alfa Aesar

  • (43206)  Ammonium molybdate, 99.99% (metals basis)   

  • 13106-76-8

  • 25g

  • 1392.0CNY

  • Detail
  • Alfa Aesar

  • (43206)  Ammonium molybdate, 99.99% (metals basis)   

  • 13106-76-8

  • 100g

  • 4763.0CNY

  • Detail
  • Aldrich

  • (277908)  Ammoniummolybdate  99.98% trace metals basis

  • 13106-76-8

  • 277908-5G

  • 610.74CNY

  • Detail
  • Aldrich

  • (277908)  Ammoniummolybdate  99.98% trace metals basis

  • 13106-76-8

  • 277908-20G

  • 1,511.64CNY

  • Detail
  • Aldrich

  • (277908)  Ammoniummolybdate  99.98% trace metals basis

  • 13106-76-8

  • 277908-100G

  • 4,293.90CNY

  • Detail

13106-76-8SDS

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

1.2 Other means of identification

Product number -
Other names Ammonium Molybdate (Metals Basis)

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:13106-76-8 SDS

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