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Home > Encyclopedia > Molybdenum phosphorus hydroxide oxide

Molybdenum phosphorus hydroxide oxide

Molybdenum phosphorus hydroxide oxide structure

Molybdenum phosphorus hydroxide oxide 

structure
  • CAS No:

    11104-88-4

  • Formula:

    HO.Mo.O.P

  • Chemical Name:

    Molybdenum phosphorus hydroxide oxide

  • Synonyms:

    Molybdenum phosphorus hydroxide oxide;Molybdophosphoric acid;Phosphomolybdic acid;Phosphoric acid,anhydride with molybdic acid;12351-35-8;12778-14-2;61506-74-9

  • Categories:

    Inorganic Chemistry  >  Inorganic Salts

Description

yellow crystal(s); oxidizing agent; used as a reagent for alkaloids, as a pigment; imparts water resistance to plastics [HAW93]Phosphomolybdic acid (H5Mo12O41P) is classified as a reagent and an indicator, specialty chemicals. These are substances which are used for the identification, detection and analysis of pathologic, biological or chemical conditions or processes. Indicators such as Phosphomolybdic acid undergo changes in their physical appearance, such as color changes, when a certain ch

Molybdenum phosphorus hydroxide oxide Basic Attributes

1825.25

1848.66000

234-336-6

Characteristics

2

-5.20540

Clear yellow to green Solution

0.94

78–90℃ [HAW93]

100ºC at 760mmHg

5 °C

soluble in less than 0.4 parts H2O, alcohol, ether

2-8°C

1.41mmHg at 25°C

Safety Information

III

5.1

UN 3264 8/PG 2

3

34-11

26-36/37/39-45

C,F

P260, P261, P264, P270, P272, P280, P302+P352, P305+P351+P338, P307+P311, P309+P311, P321, P332+P313, P333+P313, P337+P313, P362, P363, P405, P501

H315

Not Classified| |Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P261, P264, P270, P271, P272, P273, P280, P281, P301+P312, P302+P352, P304+P312, P304+P340, P308+P313, P312, P321, P330, P333+P313, P363, P391, P405, and P501|Aggregated GHS information provided by 7 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Danger|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P260, P261, P264, P270, P272, P280, P302+P352, P305+P351+P338, P307+P311, P309+P311, P321, P332+P313, P333+P313, P337+P313, P362, P363, P405, and P501|Aggregated GHS information provided by 2 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Molybdenum phosphorus hydroxide oxide Use and Manufacturing

Methods of Manufacturing

The molybdenum trioxide-phosphoric acid method uses molybdenum trioxide and phosphoric acid as raw materials to prepare phosphomolybdic acid, add molybdenum trioxide to the reactor, and add water according to the ratio of molybdenum trioxide: water (mass) 1:10, after stirring evenly Then add 85% phosphoric acid (molybdenum trioxide: phosphoric acid molar ratio of 12:1), boil for 3h to carry out the reaction, the solution before the reaction is milky white, the reaction is golden yellow in the early stage, and green in the later stage. During the reaction, keep the reaction liquid boiling smoothly and add water to maintain the liquid level. At the later stage of the reaction, the Ph value is controlled at about 10. After removing the filter residue by vacuum suction filtration, add 30% hydrogen peroxide to the filter droplets to change the solution from green to yellow. . Then evaporate and concentrate to a solution temperature of 105 ℃, the solution is slowly cooled, crystallized and centrifuged.

Uses

Weighting silks; as reagent for alkaloids, uric acid, xanthine, creatinine, some metals, with hematoxylin as nerve stain in microscopy.

Molybdenum phosphorus hydroxide oxide: ACTIVE|Molybdate(3-), tetracosa-.mu.-oxododecaoxo[.mu.12-[phosphato(3-)-.kappa.O:.kappa.O:.kappa.O:.kappa.O':.kappa.O':.kappa.O':.kappa.O'':.kappa.O'':.kappa.O'':.kappa.O''':.kappa.O''':.kappa.O''']]dodeca-, cobalt(2+) (2:3): INACTIVE|Molybdate(3-), tetracosa-.mu.-oxododecaoxo[.mu.12-[phosphato(3-)-.kappa.O:.kappa.O:.kappa.O:.kappa.O':.kappa.O':.kappa.O':.kappa.O'':.kappa.O'':.kappa.O'':.kappa.O''':.kappa.O''':.kappa.O''']]dodeca-, nickel(2+) (2:3): INACTIVE

Computed Properties

Molecular Weight:159.93
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:161.876820
Monoisotopic Mass:161.876820
Topological Polar Surface Area:2
Heavy Atom Count:4
Formal Charge:-6
Covalently-Bonded Unit Count:4
Compound Is Canonicalized:Yes

Material

Hydrogen peroxide

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