Tellurium(IV) oxide, 99.995% (metals basis), Thermo Scientific Chemicals

Product Code	Brand	Quantity
11301868	Thermo Scientific Alfa Aesar 011821.09	10 g
11311868	Thermo Scientific Alfa Aesar 011821.18	50 g
15441007	Thermo Scientific Alfa Aesar 011821.30	250 g

Description

Tellurium(IV) oxide is also used in devices which can convert light into sound (acousto-optic material). Glasses made of tellurium oxide have high refractive indices and transmit into mid-IR region. It is used to make glasses with special properties. It is useful in optical waveguides and optical fiber amplification.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 7446-07-3

Specifications

• Melting Point: 733°C
• Color: White to Yellow
• Assay Percent Range: 99.995% metal basis
• MDL Number: MFCD00011263
• Solubility Information: Soluble in strong acids and alkali. Insoluble in water.
• SMILES: O=[Te]=O
• Molecular Weight (g/mol): 159.60
• Formula Weight: 159.6
• Density: 5.8

• CAS: 7446-07-3
• Physical Form: Powder
• Molecular Formula: O2Te
• Synonym: tellurium iv oxide, tellurium oxide teo2, tellurite teo2, teo2, unii-397e9rke83, oxotellane oxide, telluride oxide, 6-chlorobutyric acid, acmc-1bglq
• InChI Key: LAJZODKXOMJMPK-UHFFFAOYSA-N
• IUPAC Name: tellurium dioxide
• PubChem CID: 62638
• Odor: Odorless
• Chemical Name or Material: Tellurium(IV) oxide

Safety and Handling

P201-P202-P261-P271-P272-P280g-P281-P302+P352-P304+P340-P308+P313-P333+P313-P363-P501c

H317-H332-H360

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missing translation for 'rtecsNumber' : WY2675000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• LONG-TERM AQUATIC HAZARD Chronic 2
• Reproductive toxicity on or via lactation
• Reproductive toxicity Category 1B
• Skin sensitiser Category 1

Hazard Statement

• H317-May cause an allergic skin reaction.
• H332-Harmful if inhaled.
• H360Df-May damage the unborn child. Suspected of damaging fertility.
• H362-May cause harm to breast-fed children.
• H411-Toxic to aquatic life with long lasting effects.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P312-Call a POISON CENTER/doctor/if you feel unwell.
• P333+P313-If skin irritation or rash occurs: Get medical advice/attention.

RUO – Research Use Only