Holmium Oxide

Description Chemical Properties Uses Preparation

Product Name: Holmium Oxide
CAS No.: 12055-62-8
Chemical Name: Holmium Oxide
Synonyms: Rare earth;Holmia;HOLMIUM OXIDE;La-Ce-Tb Oxide;mium(III) oxide;HOLMIUM(+3)OXIDE;Holmium(Ⅲ) oxide;Holmium trioxide;UV-VIS STANDARD 6;HOLMIUM(III) OXIDE
CBNumber: CB0216119
Molecular Formula: H2HoO
Formula Weight: 182.95
MOL File: 12055-62-8.mol

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Holmium Oxide Property

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.

Crystal Structure

Sc2O3 type

crystal system

Cube

Merck

14,4727

Space group

Ia3

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
1.06083	1.06083	1.06083	90	90	90	1.1938

Stability:

Stable, but may be air or moisture sensitive. Incompatible with strong acids.

InChIKey

JYTUFVYWTIKZGR-UHFFFAOYSA-N

CAS DataBase Reference

12055-62-8(CAS DataBase Reference)

EPA Substance Registry System

Holmium oxide (Ho2O3) (12055-62-8)

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Safety

Safety Statements: 22-24/25
WGK Germany: 3
F: 3-10-23
TSCA: Yes
HS Code: 2846 90 20

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H227Combustible liquid

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P370+P378In case of fire: Use … for extinction.

P403+P235Store in a well-ventilated place. Keep cool.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 229679
Product name: Holmium(III) oxide
Purity: powder, 99.999% trace metals basis
Packaging: 1g
Price: $88.9
Updated: 2024/03/01

Sigma-Aldrich

Product number: 229679
Product name: Holmium(III) oxide
Purity: powder, 99.999% trace metals basis
Packaging: 10g
Price: $578
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.12469
Product name: Holmium(III) oxide
Purity: LAB
Packaging: 2g
Price: $87.1
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1.12469
Product name: Holmium(III) oxide
Purity: LAB
Packaging: 5G
Price: $133
Updated: 2024/03/01

Sigma-Aldrich

Product number: 637327
Product name: Holmium(III) oxide
Purity: nanopowder, <100?nm avg. part. size (DLS), ≥99.9% trace metals basis
Packaging: 50g
Price: $840
Updated: 2023/06/20

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Holmium Oxide Chemical Properties,Usage,Production

Description

Holmium oxide occurs in nature, usually associated with small quantities of other rare-earth oxides. Commercial applications of this compound have not been explored fully. It is used in refractories and as a catalyst. Characteristic spectral emission lines of holmium oxide glass are used to calibrate spectrophotometers.

Chemical Properties

Holmium oxide (Ho2O3), also known as Holmia, is a light yellow powder that is one of the most paramagnetic substances known.

Holmium oxide glass has been used as a wavelength standard for over four decades. It has a number of desirable features that have made it a commonly used wavelength standard. It does not induce a slit positioning error as atomic emission lamps may. It is also compact, easy to use, and most importantly, stable over long periods of time.the use of filters made of holmium oxide glass allows the calibration of wavelength for a spectrophotometer over a broad range.

Uses

Holmium(III) oxide acts 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.
Holmium Oxide, also called Holmia, has specialized uses in ceramics, glass, phosphors and metal halide lamp, and dopant to garnet laser. Holmium can absorb fission-bred neutrons, it is also used in nuclear reactors to keep atomic chain reaction from running out of control. Holmium Oxide is one of the colorants used for cubic zirconia and glass, providing yellow or red coloring.
It is also used in Yttrium-Aluminum-Garnet (YAG) and Yttrium-Lanthanum-Fluoride (YLF) solid-state lasers found in microwave equipment (which are in turn found in a variety of medical and dental settings).

Preparation

Holmium oxide is prepared by thermal decomposition of carbonate, oxalate, hydroxide, nitrate, sulfate, or any oxo salt of holmium:
Ho2(CO3)3 →Ho2O3 + 3CO2
Ho2(SO4)3 →Ho2O3 + 3SO3
The oxide may be obtained by direct combination of elements at elevated temperatures. The element in massive form, however, reacts slowly at high temperatures.

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).

Uses

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.

Uses

Refractories, special catalyst.

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.

Holmium Oxide Preparation Products And Raw materials

Raw materials

Holmium(III) nitrate pentahydrate

Preparation Products

low-aluminium molecular sieve catalytic cracking catalyst Rare earth naphthenates Nickel-hydrogen battery Nitrogen phosphorus potassium mixed fertilizer Y type molecular sieve methanation catalysts CERIUM(III) CHLORIDE ANHYDROUS Dibutyl ether ion-absorbing type rare earths ore naphtha steam reforming catalysts primary natural gas steam reforming catalysts NEODYMIUM CARBONATE OCTAHYDRATE rare earth magnetic polymer medium temperature Shift catalysts Ethyl lactate Ethyl L(-)-lactate molecular sieve．Rare-earths diammonium diuranium heptaoxide medium(high)temperature Shift catalysts

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View Lastest Price from Holmium Oxide manufacturers

Baoji Guokang Healthchem co.,ltd

Product: Holmium Oxide 12055-62-8
Price: US $2023.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20tons
Release date: 2021-06-07

Zhuozhou Wenxi import and Export Co., Ltd

Product: HOLMIUM OXIDE 12055-62-8
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

Career Henan Chemical Co

Product: HOLMIUM OXIDE 12055-62-8
Price: US $1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: Customized
Release date: 2018-12-19

12055-62-8, Holmium OxideRelated Search:

HOLMIUM HOLMIUM NITRATE Aluminum oxide Lithium oxide Holmium(III) chloride hexahydrate HO(TMHD)3 HOLMIUM ACETATE Holmium(III) nitrate pentahydrate HOLMIUM (III) TRIFLUOROMETHANESULFONATE Holmium chloride Gallium(III) oxide Zirconium dioxide Nickel(II) oxide Erbium(III) oxide Diantimony trioxide COBALT(III) OXIDE BLACK IRON NICKEL OXIDE Niobium oxide

UV-VIS STANDARD 6

UV-VIS STANDARD 6: HOLMIUM OXIDE SOLUTION

HOLMIUM(+3)OXIDE

HOLMIUM(III) OXIDE

HOLMIUM OXIDE

HOLMIUM OXIDE, 99.99% (RE Element base)

Holmium(III) oxide, REacton (REO)

Holmium (III) oxide 99.9%

HolMiuM(III) oxide, -325 Mesh

HolMiuM(III) oxide, 99.9%, (trace Metal basis), -325 Mesh

HolMiuM(III) oxide, 99.9%, (Total Rare Earth Oxides), -325 Mesh

HOLMIUM(III) OXIDE LAB 2 G

HOLMIUM(III) OXIDE LAB 5 G

Holmium(Ⅲ) oxide

HolMiuM(III) oxide >=99.9% (rare earth content, expressed as Ho2O3)

Holmium(III) oxide powder, 99.999% trace metals basis

Holmium(III) oxide, 99.9% trace rare earth metals basis

Holmium(III) oxide, 99.99% trace rare earth metals basis

Holmium(III) oxide powder (Ho2O3)

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Holmia

Holmium(III) oxide, 99.9%, -325 mesh

HOLMIUM OXIDE NANO-DISPERSION

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Rare earth

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HolmiumoxideREOwhitepowder

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HOLMIUM(III)OXIDE,POWDER

Holmium(III) oxide, REacton(R), 99.99% (REO)

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Holmium(III) oxide, REacton(R), 99.9% (REO)

Holmium(III) oxide, REacton(R), 99.995% (REO)

Holmium trioxide

La-Ce-Tb Oxide

holmiumoxide(ho2o3)

Super-purity RE Oxide

Holmium oxide, 99.999% (REO)

Holmium(III) oxide, REacton, 99.9% (REO)

Holmium(III) oxide, REacton, 99.99% (REO)

Holmium(III) oxide, REacton, 99.995% (REO)

Holmium(III) oxide, dispersion

arsanylidynethallium

Holmium(III) oxide, 99.99%, trace metals basis

HolmiumOxideSolution,30mL40,000mg/Lin10%HClO4

Holmium(III) oxide,99.99%

Holmium oxide,99.95%

mium(III) oxide

Holmium Oxide ISO 9001：2015 REACH

Holmium oxide, GR 99.99%