Basic information
- CAS
14832-87-2- Standard SMILES
O=[Te]=O- InChIKey
LAJZODKXOMJMPK-UHFFFAOYSA-N- Molecular formula
- O2Te
- Average molar mass
- 159.6 g/mol
- Monoisotopic mass
- 161.896052
Overview
See also: Tellurium oxide (119TeO2) (annotation moved to).
Names & identifiers
- Preferred name
- Tellurium dioxide
- IUPAC
- tellurium dioxide
- English name
- TELLURIUM DIOXIDE
- Molecular formula
- O2Te
- Molecular weight
- 159.6
Names & synonyms
TELLURIUM DIOXIDE7446-07-3Tellurium oxide (TeO2)397E9RKE83NSC-8956DTXSID8052487RefChem:187769DTXCID9031060231-193-1Tellurium oxideTellurium(IV) oxideTellurite (TeO2)
Show more names
oxotellane oxideTeO2Tellurite (mineral)O2TeMFCD0001126359863-17-1Dioxo-lambda~4~-tellaneEINECS 231-193-1
Database identifiers
- CAS
14832-87-2、59863-17-1、7446-07-3- PubChem CID
- 62638
- DTXSID
DTXSID8052487- UNII
- 397E9RKE83
- EC Number
- 231-193-1
- Nikkaji
- J95.286I
Properties
Computed structural properties
- Topological polar surface area
- 34.1 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 0
- Heavy atoms
- 3
- Formal charge
- 0
- Complexity
- 18.3
Experimental & physicochemical properties
Chemical ClassesMetals -> Metalloid Compounds (Tellurium)
SpringerMaterials Propertiesdielectric constant
Density5.9 @25 °C
Boiling Point1245 °C @760 [mm Hg]
Melting Point733 °C
Physical Description
White solid; [Merck Index] White odorless powder; [MSDSonline]
Solid
Safety & regulation
GHS classification
GHS Classification
Danger
H360Df: May damage the unborn child; Suspected 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.
Danger
H317 (88.1%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Hazard information
Regulatory Information
Chemical: Tellurium oxide (TeO2)
Hazard Traits - Reproductive Toxicity
REACH 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
Hazards SummaryAn irritant; [MSDSonline] See Tellurium.
Hazard Classes and Categories
Skin Sens. 1B (88.1%)
Reproductive toxicity - Category 2
Reproductive toxicity - Category 1B
Repr. 1B
Safety & protection
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
Chemistry & industry
Uses & manufacturing
Uses
Occurs in the minerals tellurite and paratellurite and forms when tellurium is burned in air; Used as an organic catalyst, a vulcanizing agent, and in the production of chalcogenide glasses; Also used in acousto-optic detectors; [Ullmann]
Glass Manufacturing [Category: Industry]
Glassblowing [Category: Hobbies]
General Manufacturing InformationTellurium oxide (TeO2): ACTIVE
Upstream & downstream products
Downstream products
Related reactions
2 records
Compound notes
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