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Sodium telluride




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Sodium telluride
Other names Disodium telluride; hydrotelluric acid, sodium salt
Identifiers
CAS number 12034-41-2
PubChem 82837
EC number 234-806-0
SMILES [Na][Te][Na]
Properties
Molecular formula Na2Te
Molar mass 173.58 g/mol
Appearance white powder,
hygroscopic
Density 2.90 g/cm3, solid
Melting point

953°C

Solubility in water very soluble
Hazards
EU classification not listed
NFPA 704

NFPA 704.svg

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2
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Sodium telluride is a chemical compound. Its chemical formula is Na2Te. It contains sodium and telluride ions.

Properties

It is a white solid when pure. It reacts with air to make a mixture of tellurium and tellurides, which would make gray or purple colors. It eventually turns into sodium carbonate and tellurium when in air. It is a powerful reducing agent. It reacts with strong acids to make hydrogen telluride. It reacts with water to make sodium hydrogen telluride, NaHTe.

Preparation

Sodium telluride is made by reacting tellurium and sodium in liquid ammonia.

Uses

Sodium telluride is used to make organic tellurium compounds. It also can act as a reducing agent.

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