Ammonium molybdate tetrahydrate

SIGMA/09878 - BioUltra, ≥99.0% (T)

Synonym: Ammonium heptamolybdate tetrahydrate; Molybdic acid ammonium salt tetrahydrate

CAS Number: 12054-85-2
Empirical Formula (Hill Notation): H₂₄Mo₇N₆O₂₄ · 4H₂O
Molecular Weight: 1235.86
EC Number: 234-320-9
MDL Number: MFCD00167059
Linear Formula: (NH₄)₆Mo₇O₂₄ · 4H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-09878-25G	25 g	$62.10 1/EA	Add To Favorites
45-09878-100G	100 g	$138.00 1/EA	Add To Favorites
45-09878-500G	500 g	$563.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

absorption	cut-off at 360 nm in H₂O at 0.05 M
anion traces	chloride (Cl^-): ≤10 mg/kg
	nitrate (NO₃^-): ≤20 mg/kg
	phosphate, silicate, arsenate (as PO₄^3-): ≤10 mg/kg
	sulfate (SO₄^2-): ≤100 mg/kg
assay	≥99.0% (T)
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
density	2.498 g/mL at 25 °C (lit.)
impurities	insoluble matter, passes filter test
InChI	1S/7Mo.6H3N.10H2O.18O/h;;;;;;;61H3;101H2;;;;;;;;;;;;;;;;;;/q;;;;3*+2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/p-6
InChI key	FIXLYHHVMHXSCP-UHFFFAOYSA-H
pH	4.0-5.5 (25 °C, 0.05 M in H₂O)
product line	BioUltra
Quality Level	200
reaction suitability	reagent type: catalyst core: molybdenum
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
solubility	H₂O: 0.05 M at 20 °C, clear, colorless

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

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.0% (T)
Density	2.498 g/mL at 25 °C (lit.)
UNSPSC	12352302

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