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09878

Sigma-Aldrich

Ammonium molybdate tetrahydrate

BioUltra, ≥99.0% (T)

Synonym(s):

Ammonium heptamolybdate tetrahydrate, Molybdic acid ammonium salt tetrahydrate

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About This Item

Linear Formula:
(NH4)6Mo7O24 · 4H2O
CAS Number:
12054-85-2
Molecular Weight:
1235.86
EC Number:
234-320-9
MDL number:
MFCD00167059
UNSPSC Code:
12352302
PubChem Substance ID:
329748853
NACRES:
NA.26

product line

BioUltra

Assay

≥99.0% (T)

reaction suitability

reagent type: catalyst
core: molybdenum

impurities

insoluble matter, passes filter test

pH

4.0-5.5 (25 °C, 0.05 M in H2O)

solubility

H2O: 0.05 M at 20 °C, clear, colorless

density

2.498 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg
nitrate (NO3-): ≤20 mg/kg
phosphate, silicate, arsenate (as PO43-): ≤10 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 360 nm in H2O at 0.05 M

SMILES string

N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O

InChI

1S/7Mo.6H3N.10H2O.18O/h;;;;;;;6*1H3;10*1H2;;;;;;;;;;;;;;;;;;/q;;;;3*+2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/p-6

InChI key

FIXLYHHVMHXSCP-UHFFFAOYSA-H

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Application


  • In situ preparation of molybdenum-dioxide-incorporated carbonized silk fiber and its application in supercapacitors.: This study discusses the in situ preparation of molybdenum dioxide incorporated into carbonized silk fiber, demonstrating its potential applications in supercapacitors due to enhanced electrical properties and stability (Ji et al., 2022).

  • Constructing the Mo(2)C@MoO(x) Heterostructure for Improved SERS Application.: This paper presents the construction of a Mo(2)C@MoO(x) heterostructure, significantly improving surface-enhanced Raman scattering (SERS) applications due to its superior structural properties (Lai et al., 2022).

Other Notes

For the determination of phosphorus

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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E. Seaman
Methods in Enzymology, 12b, 218-218 (1968)
Shifeng Cao et al.
International journal of food microbiology, 141(3), 173-176 (2010-07-08)
The potential enhancement of Pichia membranifaciens by ammonium molybdate (NH(4)Mo) to control blue mould caused by Penicillium expansum on peach fruit was investigated. Combining P. membranifaciens at 1x10(8) cell/ml with 1 mM NH(4)Mo provided a more effective control of blue
Sidney Omelon et al.
Electrophoresis, 28(16), 2808-2811 (2007-07-21)
Nonradioactive polyphosphate (poly(P); (PO(3) (-))(n)) species resolved by PAGE can be detected by hydrolytic degradation of the polyphosphates into orthophosphates (P(i)) with a 5 M HCl solution saturated with NaCl, followed by staining the P(i) degradation products in a 1
Kyung Ho Park et al.
Journal of hazardous materials, 138(2), 311-316 (2006-07-25)
The petroleum refining industry makes extensive use of hydroprocessing catalysts. These catalysts contain environmentally critical and economically valuable metals such as Mo, V, Ni and Co. In the present study, a simple hydrometallurgical processing of spent hydrodesulphurization (HDS) catalyst for
Pradeep Verma et al.
Bioresource technology, 102(4), 3941-3945 (2010-12-24)
Pretreatments for enzymatic saccharification are crucial for the establishment of lignocellulosic biorefineries. In this study, we focused on ammonium ions and peroxometal complexes as potential delignifying agents. We first examined the pretreatment of beech wood with nine different ammonium salts
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