Penta-sec-butoxy tantalum

Synonym: 2-Butanol, tantalum(5+) salt, Ta(sec-BuO)5
CAS Number 6382-80-5

Penta-sec-butoxy tantalum Chemical Structure

Product CodeTA2805
CAS Number6382-80-5
Assay (purity)98%+
Purity methodby integration NMR
Molecular weight546.53
Appearancelight yellow liquid or solid
NMRconforms to structure
Molecular formulaC20H45O5Ta
Linear formulaC20H45O5Ta

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Penta-sec-butoxy tantalum contact us at

Safety information

Signal wordWARNING
Hazard statementsH227, H315, H319, H335
Precautionary statementsP210, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
Transport descriptionCombustible liquid,n.o.s (penta-sec-butoxy tantalum)
Hazardous class3
Packing groupIII
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

If you don’t see the needed lot of Penta-sec-butoxy tantalum below please contact customer support at

Lot# 015839 Lot# 015851

External identifiers for 2-Butanol, tantalum(5+) salt


Ereztech synthesizes and sells additional TA-compounds.

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