HOLMIUM(III) OXIDE
Holmium(III) oxide
CAS: 12055-62-8;39455-61-3
Molecular Formula: Ho2O3
HOLMIUM(III) OXIDE - Names and Identifiers
| Name | Holmium(III) oxide |
| Synonyms | HOLMIUM OXIDE HOLMIUM(+3)OXIDE UV-VIS STANDARD 6 oxygen(-2) anion Holmium(III) oxide holmium(+3) cation HOLMIUM(III) OXIDE HolmiumoxideREOwhitepowder Holmium(III) oxide, REacton (REO) |
| CAS | 12055-62-8 39455-61-3 |
| EINECS | 235-015-3 |
| InChI | InChI=1/2Ho.3O/rHo2O3/c3-1-5-2-4 |
| InChIKey | JYTUFVYWTIKZGR-UHFFFAOYSA-N |
HOLMIUM(III) OXIDE - Physico-chemical Properties
| Molecular Formula | Ho2O3 |
| Molar Mass | 377.86 |
| Density | 1.0966g/mLat 25°C |
| Melting Point | >100°C(lit.) |
| Water Solubility | Insoluble in water. Soluble in perchloric acids. |
| Appearance | Bright yellow crystal |
| Specific Gravity | 8.36 |
| Color | Light yellow-orange to beige |
| Merck | 14,4727 |
| Storage Condition | no restrictions. |
| Stability | Stable, but may be air or moisture sensitive. Incompatible with strong acids. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00011053 |
| Physical and Chemical Properties | Properties: light yellow crystalline powder, belonging to the isometric crystal system of scandium oxide type structure. melting point 2367 ℃ relative density 8.36 solubility insoluble in water, soluble in acid. |
| Use | Used as magnetic material and new electric light source |
HOLMIUM(III) OXIDE - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10-23 |
| TSCA | Yes |
| HS Code | 2846 90 20 |
HOLMIUM(III) OXIDE - Nature
Open Data Verified Data
light yellow crystalline powder, belonging to the isocystal system of scandium oxide type structure. The relative density was 8. 36. Melting point 2367 °c. Insoluble in water, soluble in acid.
Last Update：2024-01-02 23:10:35
HOLMIUM(III) OXIDE - Preparation Method
Open Data Verified Data
ignition method: the hydrazine nitrate solution is reacted with the alkali to generate the hydroxide, and then separated and burned to obtain the oxide.
Last Update：2022-01-01 09:06:50
HOLMIUM(III) OXIDE - Introduction
Insoluble in water, soluble in acid.
Last Update：2022-10-16 17:12:40
HOLMIUM(III) OXIDE - Use
Open Data Verified Data
It is used for the production of a new light source dysprosium lamp, and can also be used as an additive for yttrium-Iron-obtained yttrium-aluminum garnet and for the preparation of a metal oxide.
Last Update：2022-01-01 09:06:50
HOLMIUM(III) OXIDE - Safety
Open Data Verified Data
packed with polyethylene plastic bottle or plastic bag, the jacket carton is protected. 0, 5kg or lkg net weight per bottle (bag). Should be stored in a ventilated, dry warehouse. During the storage and transportation process should pay attention to moisture and avoid package breakage. See cerium oxide for toxicity and protection.
Last Update：2022-01-01 11:05:04
HOLMIUM(III) OXIDE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Holmium oxide is mainly used to manufacture new light source dysprosium holmium lamps, and can also be used as an additive for yttrium iron or yttrium aluminum garnet and a raw material for preparing metal holmium. Used as magnetic material and new electric light source Special for crops Mainly used to manufacture new light source dysprosium holmium lamp. It can also be used as an additive for yttrium iron or yttrium aluminum garnet and a raw material for preparing metal holmium. Scientific research reagents, biochemical research Holmium is used for metal halogen lamp additives, yttrium iron or yttrium aluminum garnet additives, fiber lasers, fiber amplifiers, fiber sensors, etc. Used as a doping agent for various garnets, manufacturing metal halogen lamps, etc. |
| Production method | The burning method reacts the holmium nitrate solution with alkali to form holmium hydroxide, and then separates and burns to prepare holmium oxide. Its 2Ho(OH)3 → Ho2O3 3H2O |
Last Update：2024-04-09 21:04:16
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