Basic information
- Name:
Tellurium dioxide
- CAS No.:
7446-07-3
- Molecular Structure:
- Formula:
- TeO2
- Synonyms:
- Telluria;Tellurium(IV) oxide;Tellurium oxide (TeO2);
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Consensus Reports
Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 0.1 mg(Te)/m3
ACGIH TLV: TWA 0.1 mg(Te)/m3
Specification
The Tellurium dioxide is an organic compound with the formula TeO2. The IUPAC name of this chemical is tellurium dioxide. With the CAS registry number 7446-07-3, it is also named as tellane, oxo-, oxide. The product's categories are Inorganics; Metal and Ceramic Science; Oxides; Tellurium. Besides, it is a white crystalline powder, which can be used as an acousto-optic material and a conditional glass former. Tellurite glasses have high refractive indices and also have been shown to exhibit Raman gain up to 30 times that of silica, useful in optical fibre amplification. When you are using it, avoid contact with skin and eyes.
Physical properties about Tellurium dioxide are: (1)#H bond acceptors: 2; (2)Polar Surface Area: 34.14 Å2.
Preparation: this chemical is produced by reacting tellurium with O2: Te + O2 → TeO2
It can also be prepared by dehydrating tellurous acid or thermally decomposing basic tellurium nitrate above 400°C.
You can still convert the following datas into molecular structure:
(1)SMILES: O=[Te]=O
(2)InChI: InChI=1/O2Te/c1-3-2
(3)InChIKey: LAJZODKXOMJMPK-UHFFFAOYAO
(4)Std. InChI: InChI=1S/O2Te/c1-3-2
(5)Std. InChIKey: LAJZODKXOMJMPK-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LDLo | unreported | 324mg/kg (324mg/kg) | Scottish Medical and Surgical Journal. Vol. 26, Pg. 131, 1826. | |
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | TNO-report. Vol. TNO-96-514, |
| rat | LDLo | intratracheal | 80mg/kg (80mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA KIDNEY, URETER, AND BLADDER: OTHER CHANGES GASTROINTESTINAL: OTHER CHANGES | American Industrial Hygiene Association Journal. Vol. 39, Pg. 100, 1978. |
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