yttriumfluoride(yf3)
Yttrium Fluoride
CAS: 13709-49-4
Molecular Formula: F3Y
yttriumfluoride(yf3) - Names and Identifiers
| Name | Yttrium Fluoride |
| Synonyms | YttriuM fluorid Yttrium Fluoride YTTRIUM FLUORIDE yttriumtrifluoride Yttrium trifluoride Yttrium fluoride 99 yttriumfluoride(yf3) YTTRIUM(III) FLUORIDE |
| CAS | 13709-49-4 |
| EINECS | 237-257-5 |
| InChI | InChI=1/3FH.Y/h3*1H;/q;;;+3/p-3 |
| InChIKey | RBORBHYCVONNJH-UHFFFAOYSA-K |
yttriumfluoride(yf3) - Physico-chemical Properties
| Molecular Formula | F3Y |
| Molar Mass | 145.9 |
| Density | 4.01g/mLat 25°C(lit.) |
| Melting Point | 1387 °C |
| Boling Point | 19.5°C at 760 mmHg |
| Water Solubility | Soluble in acids. Insoluble in water. |
| Vapor Presure | 922mmHg at 25°C |
| Appearance | White powder |
| Specific Gravity | 4.01 |
| Color | White |
| Exposure Limit | ACGIH: TWA 1 mg/m3; TWA 2.5 mg/m3NIOSH: IDLH 500 mg/m3; IDLH 250 mg/m3; TWA 2.5 mg/m3; TWA 1 mg/m3 |
| Solubility Product Constant(Ksp) | pKsp: 20.06 |
| Storage Condition | Room Temprature |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Refractive Index | 1.54 |
| MDL | MFCD00049714 |
| Physical and Chemical Properties | Melting Point: 1387 |
yttriumfluoride(yf3) - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN3288 |
| WGK Germany | 3 |
| RTECS | ZG3417500 |
| TSCA | Yes |
| HS Code | 28469036 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
yttriumfluoride(yf3) - Nature
Open Data Verified Data
white powder, density 4. 01, melting point 1152 °c. Boiling point 2230 °c. Insoluble in water, insoluble in hydrochloric acid, nitric acid and sulfuric acid, but soluble in perchloric acid. Hygroscopic in the air, more stable. NH4F · YF3 insoluble double salt was formed with ammonium fluoride.
Last Update：2024-01-02 23:10:35
yttriumfluoride(yf3) - Preparation Method
Open Data Verified Data
chemical method: the yttrium oxide is dissolved in hydrochloric acid and diluted to 100~150g/L (according to Y2 03), the solution is heated to 70~80 ℃, then 48% hydrofluoric acid was precipitated. The precipitate was washed, filtered, dried, pulverized, and vacuum dehydrated to produce yttrium fluoride.
Last Update：2022-01-01 11:05:20
yttriumfluoride(yf3) - Introduction
The preparation method and chemical properties are the same as lanthanum fluoride. It can be used to make metal yttrium.
Last Update：2022-10-16 17:13:40
yttriumfluoride(yf3) - Use
Open Data Verified Data
used to make each rare earth crystal laser material, an upconversion luminescent material, a fluoride glass optical fiber, and a fluoride optically active glass. In the illumination light source for the fabrication of arc lamp carbon electrodes. It is a raw material for the preparation of yttrium metal by electrolysis.
Last Update：2022-01-01 11:05:19
yttriumfluoride(yf3) - Safety
Open Data Verified Data
toxicity and protection see cerium oxide products.
Last Update：2022-01-01 11:05:20
yttriumfluoride(yf3) - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| solubility in water (g/100ml) | dissolved grams per 100ml of water: 5.769 × 10-3/20 ℃ |
| toxicity | see cerium oxide products. |
| use | used to prepare rare earth crystal laser materials, upconversion luminescent materials, fluoride glass optical fiber and fluoride optical rotation glass. It is used in lighting sources to manufacture arc lamp carbon electrodes. It is the raw material for electrolytic production of metal yttrium. |
| production method | chemical method dissolves yttrium oxide in hydrochloric acid and dilutes it to 100~150g/L (calculated by Y2O3), the solution is heated to 70~80 ℃, and then precipitates with 48% hydrofluoric acid. The precipitate is washed, filtered, dried and crushed, and dehydrated in vacuum to produce yttrium fluoride. |
Last Update：2024-04-10 22:29:15
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