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HCID 62638Erstellt: 27. Oktober 2026

Tellurium dioxide

https://huagongshe.com/de/chemical/62638

Molekülstruktur von Tellurium dioxide

Identifikatoren & physikalische Daten

CAS No.14832-87-2
SummenformelO2Te
Durchschnittliche Molmasse159,6 g/mol
Monoisotopische Masse161,896052 g/mol
SMILESO=[Te]=O
InChIKeyLAJZODKXOMJMPK-UHFFFAOYSA-N
PubChem CID62638
EC No.231-193-1
DTXSIDDTXSID8052487

Chemische & physikalische Eigenschaften

Polarare Oberfläche (TPSA)34,1
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen0
Schwere Atome3
Formalladung0
Komplexität18,3
StoffklassenMetals -> Metalloid Compounds (Tellurium)
SpringerMaterials Propertiesdielectric constant
Dichte5.9 @25 °C
Siedepunkt1245 °C @760 [mm Hg]
Schmelzpunkt733 °C
Physical DescriptionWhite solid[Merck Index] White odorless powder[MSDSonline]

Sicherheit & Vorschriften

GHS-EinstufungDangerH360Df: May damage the unborn childSuspected of damaging fertility [Danger Reproductive toxicity]P203, P260, P263, P264, P270, P280, P318, P405, and P501 (click each P-code to see the statement)This chemical does not meet GHS hazard criteria for 10.4% (20 of 193) of reports.H317 (88.1%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Regulatorische InformationenChemical: Tellurium oxide (TeO2)Hazard Traits - Reproductive ToxicityREACH registered substance: Tellurium dioxide (EC: 231-193-1)Tellurium oxide (TeO2): Does not have an individual approval but may be used under an appropriate group standard
GefahrenübersichtAn irritant[MSDSonline] See Tellurium.
Hazard Classes and CategoriesSkin Sens. 1B (88.1%)Reproductive toxicity - Category 2Reproductive toxicity - Category 1BRepr. 1B
Threshold Limit Values (TLV)0.1 [mg/m3], as Te
Permissible Exposure Limit (PEL)0.1 [mg/m3], as Te
Protective Action Criteria (PAC)0.38 [mg/m3]10 [mg/m3]63 [mg/m3]
Immediately Dangerous to Life or Health (IDLH)25.0 [mg/m3], as Te
Unerwünschte WirkungenNeurotoxin - Other CNS neurotoxin