Holmium Oxide

Synonym(s):Holmium(III) oxide;Rare earth

CAS NO.：12055-62-8
Empirical Formula: H2HoO
Molecular Weight: 182.95
MDL number: MFCD00011053
EINECS: 235-015-3
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-28 13:53:20

What is Holmium Oxide?

Chemical properties

slightly beige solid

Physical properties

Yellow cubic crystal; density 8.41 g.cm3; melts at 2,415°C; insoluble in water; dissolves in acids (with reactions).

The Uses of Holmium Oxide

Refractories, special catalyst.

The Uses of Holmium Oxide

Holmium(III) oxide iacts as colorants which is used for cubic zirconia and glass, as a calibration standard for optical spectrophotometers, as a specialty catalyst, phosphor and a laser material.

What are the applications of Application

Holmium Oxide can be used as:

A starting material to prepare Ho2O3-PVAfilm for generating stable Q-switching pulses in a thulium-doped fiber laser(TDFL) cavity.
A catalyst for oxidative coupling of methane.

It can also be used as a dopant in the preparation of:

Cadmium lead borate glasses.
Diamond/copper composites to eliminate interfacial defects through the spark plasma sintering (SPS) method.

Properties of Holmium Oxide

Melting point:	>100 °C(lit.)
Density	1.0966 g/mL at 25 °C
storage temp.	no restrictions.
solubility	DMSO (Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly, Heated)
form	nanopowder
color	Light yellow-orange to beige
Specific Gravity	8.36
Water Solubility	Insoluble in water. Soluble in perchloric acids.
Merck	14,4727
Stability:	Stable, but may be air or moisture sensitive. Incompatible with strong acids.
CAS DataBase Reference	12055-62-8(CAS DataBase Reference)
EPA Substance Registry System	Holmium oxide (Ho2O3) (12055-62-8)

Safety information for Holmium Oxide

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H227:Flammable liquids
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool.