三氧化二钇（CAS 1314-36-9）：分子式 O3Y2、分子量 225.810。
| CAS号 | 1314-36-9 |
|---|---|
| 分子式 | O3Y2 |
| 分子量 | 225.810 |
| 熔点 | 2410 °C |
| 应用领域 | Uses: Used in an alloy with europium for color TV phosphors、in yttrium-iron garnets for microwave filters、and in refractories with zirconia and silicon nitride、[Hawley]、Industry Uses: Dispersing agent、Other、Abrasives、Not Known or Reasonably Ascertainable、Catalyst、Stabilizing agent、Consumer Uses: Catalyst、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 1、2021: 1、2020: 700、000 - <850、General Manufacturing Information: Other (requires additional information)、Miscellaneous Manufacturing、Machinery Manufacturing、Paint and Coating Manufacturing、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Petroleum Refineries、Transportation Equipment Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Yttrium oxide (Y2O3): ACTIVE、Yttrium oxide: ACTIVE |
登记用途：Uses: Used in an alloy with europium for color TV phosphors、in yttrium-iron garnets for microwave filters、and in refractories with zirconia and silicon nitride、[Hawley]、Industry Uses: Dispersing agent、Other、Abrasives、Not Known or Reasonably Ascertainable、Catalyst、Stabilizing agent、Consumer Uses: Catalyst、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 1、2021: 1、2020: 700、000 - <850、General Manufacturing Information: Other (requires additional information)、Miscellaneous Manufacturing、Machinery Manufacturing、Paint and Coating Manufacturing、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Petroleum Refineries、Transportation Equipment Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Yttrium oxide (Y2O3): ACTIVE、Yttrium oxide: ACTIVE。
三氧化二钇 是一种化工化合物，登记 CAS 号为 1314-36-9，分子式 O3Y2（分子量 225.810）。
登记 CAS 号：1314-36-9
其分子式 O3Y2 由 3 个氧、2 个钇 组成。
别名/同义词：三氧化二钇 · Yttrium(III)-oxide
三氧化二钇 的 CAS 登记号为 1314-36-9。
分子式 O3Y2，分子量 225.810。
别名/同义词：三氧化二钇、Yttrium(III)-oxide。
登记用途：Uses: Used in an alloy with europium for color TV phosphors、in yttrium-iron garnets for microwave filters、and in refractories with zirconia and silicon nitride、[Hawley]、Industry Uses: Dispersing agent、Other、Abrasives、Not Known or Reasonably Ascertainable、Catalyst、Stabilizing agent、Consumer Uses: Catalyst、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 1、2021: 1、2020: 700、000 - <850、General Manufacturing Information: Other (requires additional information)、Miscellaneous Manufacturing、Machinery Manufacturing、Paint and Coating Manufacturing、Non-metallic Mineral Product Manufacturing (includes clay、glass、cement、concrete、lime、gypsum、and other non-metallic mineral product manufacturing)、Petroleum Refineries、Transportation Equipment Manufacturing、All Other Basic Inorganic Chemical Manufacturing、Yttrium oxide (Y2O3): ACTIVE、Yttrium oxide: ACTIVE。
三氧化二钇（CAS 1314-36-9）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 1314-36-9 |
|---|---|
| PubChem CID | 159374 |
| Molecular formula | O3Y2 |
| IUPAC name | tris(oxygen(2-));bis(yttrium(3+)) |
| UNII (FDA) | X8071685XT |
| Molecular Weight | 225.810 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 225.796420 |
| Monoisotopic Mass | 225.796420 |
| Topological Polar Surface Area | 3 |
| Heavy Atom Count | 5 |
| Melting Point | 2410 °C |
|---|---|
| Density | 4.84 @25 °C |
Yttrium oxide; Yttrium(III) oxide; Yttria; Yttrium trioxide; Diyttrium trioxide; Yttrium(3+) oxide; 11130-29-3; EINECS 234-382-7; EINECS 215-233-5; X8071685XT; YO 3-245; YTTRIUM OXIDE (GENERIC); UNII-X8071685XT; EC 215-233-5; Yttrium Oxydatum; RefChem:58010
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|---|
| GHS notification summary | 50% (274 / 548) |
| GHS notification summary | 50% (274 / 548) |
|---|---|
| Reported hazard statements | H315 (43.6%), H319 (36.7%), H335 (43.6%), H413 (100%), H320 |
This chemical does not meet GHS hazard criteria for 50% (274 of 548) of reports.
H315 (43.6%): Causes skin irritation [Warning Skin corrosion/irritation]
Yttrium(III)-oxide · CAS 1314-36-9 · O3Y2. UNII X8071685XT. Melting Point: 2410 °C; Density: 4.84 @25 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Yttrium(III)-oxide