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Tetraterbium heptaoxide

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Origin: China

Cas No: 12037-01-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 12037-01-3 Formula: O7Tb4 Molecular Weight: 747.69700

Description

Terbium(III,IV) oxide, occasionally called tetraterbium heptaoxide, has the formula Tb4O7, though some texts refer to it as TbO1.75. There is some debate as to whether it is a discrete compound, or simply one phase in an interstitial oxide system. Tb4O7 is one of the main commercial terbium compounds, and the only such product containing at least some Tb(IV) (terbium in the +4 oxidation state), along with the more stable Tb(III). It is produced by heating the metal oxalate, and it is used in the preparation of other terbium compounds. Terbium forms three other major oxides: Tb2O3, TbO2, and Tb6O11.

Basic Info

Chemical Name	Tetraterbium heptaoxide
Synonyms	Terbium(III (IV) oxide; Terbium(III,IV) oxide; TERBIUM PEROXIDE;
CAS No.	12037-01-3
Molecular Formula	O7Tb4
Molecular Weight	747.69700
PSA	95.97000
LogP	-0.68040

Properties

Appearance & Physical State	odorless dark brown-black powder
Density	7.3
Melting Point	2340ºC
Water Solubility	insoluble
Stability	Stable under normal temperatures and pressures. Absorbs carbon dioxide from the air.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.