Yttriumoxid

Yttrium oxide

HCID 159374CAS 11130-29-3

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Grundinformationen

Standard-SMILES: [O-2].[O-2].[O-2].[Y+3].[Y+3]
InChIKey: RUDFQVOCFDJEEF-UHFFFAOYSA-N
Summenformel: O3Y2
Durchschnittliche Molmasse: 225,81 g/mol
Monoisotopische Masse: 225,79644046

Überblick

molecular formula Y2-O3

Namen und Bezeichner

Bevorzugter Name: Yttrium oxide
IUPAC: tris(oxygen(2-));bis(yttrium(3+))
Lokaler Name: Yttriumoxid
Englischer Name: Yttrium oxide
Summenformel: O3Y2
Molmasse: 225.81

Namen und Synonyme

Yttrium oxideYttrium(III) oxideYttriaYttrium trioxideDiyttrium trioxideYttrium(3+) oxide11130-29-3EINECS 234-382-7EINECS 215-233-5X8071685XTYO 3-245YTTRIUM OXIDE (GENERIC)

Weitere Namen anzeigen

YTTRIUMOXIDESYttrium(Iii) Oxide, Reacton (Reo)Y203 AY203 BY203 CY203 ATyo3-245Yttriumoxid

UNII-X8071685XTEC 215-233-5Yttrium OxydatumRefChem:58010DTXSID101014558215-233-5234-382-71314-36-9

Datenbank-Bezeichner

CAS: 11130-29-3、12036-00-9、1314-36-9
PubChem CID: 159374
DTXSID: DTXSID5051573
UNII: X8071685XT
EC Number: 215-233-5、234-382-7

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA): 3 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 3
Frei drehbare Bindungen: 0
Schwere Atome: 5
Formalladung: 0
Komplexität: 0

Experimentelle und physikochemische Eigenschaften

Chemical ClassesMetals -> Rare Earth Metals

SpringerMaterials Propertieselectron density of states

Density4.84 @25 °C

Melting Point2410 °C

Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR

Physical Description · 2 Einträge

CBI; Dry Powder; Dry Powder; Other Solid

White solid insoluble in water; [Sax]

Physikochemische Eigenschaften

Schmelzpunkt: 2410 °C · 2410 °C
Siedepunkt: 81 · 81-83 °C
Dichte: 5.01 g/mL · 5.01 g/mL at 25 °C(lit.)
Flammpunkt: 12 °C · 12 °C
storage temp.: no restrictions.
Löslichkeit: soluble in dilute acid solutions
Aggregatzustand: nanopowder
Farbe: White
Wichte: 5.01 · 5.01
PH: 10 · 10±1
Wasserlöslichkeit: Insoluble
Spezifische Wärmekapazität: 0.45 J/ · Cp(crystal): 0.45 J/(g·K), at 25℃
Merck: 14 · 14,10107
InChI: 1S/3O.2Y
InChIKey: SIWVEOZUMHYXCS-UHFFFAOYSA-N
SMILES: O=[Y]O[Y]=O
CAS Datenbank: 1314 · 1314-36-9(CAS DataBase Reference)
EPA chemische Informationen: Yttrium oxide (Y2O3) (1314-36-9)

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 50% (274 of 548) of reports.

Warning

H315 (43.6%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 548 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

H413 (100%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: Yttrium oxide (Y2O3)

Yttrium oxide (Y2O3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Yttrium oxide (Y2O3) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 23-03-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/14370

Yttrium oxide (Y2O3): Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryBy the intraperitoneal route, it is a poison. [Sax] A skin irritant; [MSDSonline] See Yttrium. See RARE EARTH METALS and linked occupational diseases.

Hazard Classes and Categories · 3 Einträge

Skin Irrit. 2 (43.6%)

Aquatic Chronic 4 (100%)

Serious eye damage/eye irritation - Category 2B

Sicherheit und Schutzausrüstung

Threshold Limit Values (TLV)1.0 [mg/m3], as Y

Permissible Exposure Limit (PEL)1.0 [mg/m3], as Y

Protective Action Criteria (PAC) · 6 Einträge

7.6 [mg/m3]

15 [mg/m3]

91 [mg/m3]

2.5 [mg/m3]

15 [mg/m3]

91 [mg/m3]

Toxikologische Informationen

Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).

Sicherheitsdaten

F: 3-9
wgk: 1
tsca: TSCA listed
ridadr: UN1950
hs_code: 28469011
RTECS-Nr.: ZG3850000
risk_code: 36/37/38-67-36/37-36-11
Toxizität: mouse,LD50,intraperitoneal,430mg/kg (430mg/kg),"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982.
hazard_code: Xi,F
safety_code: 26-36-37/39-16
hazard_class: 2.1
Speicherklasse: 13 - Non Combustible Solids

Chemie und Industrie

Verwendung und Herstellung

UsesUsed 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]

U.S. Production2023: 1,000,000 - <2,500,000 lb

Consumer UsesCatalyst

Industry UsesDispersing agent

General Manufacturing Information · 3 Einträge

Other (requires additional information)

Yttrium oxide (Y2O3): ACTIVE

Yttrium oxide: ACTIVE

Anwendungen · 1 Eintrag

VerwendenYttrium oxide is an excellent mineralizing agent for spinel formation. Yttrium oxide is used as a common starting material for both materials science as well as inorganic compounds. Provides easy application of uniform, thin, protective high temperature Yttrium Oxide coatings. Yttrium Oxide is used to produce Yttrium-Iron-Garnets, which are very effective microwave filters. Low purity of Yttrium Oxide are widely applied in electronic ceramics. Yttrium Oxide is also used to make Yttrium-Iron-Garnets, which are very effective microwave filters.