Synonym: Ba(tBu3Cp)2

CAS Number 356039-89-9 

CAS 356039-89-9

Product codeBA9899
CAS number356039-89-9
Assay (purity)97.5%+
Purity methodby integration NMR H1
NMR H1conforms to structure
Molecular weight604.17 g/mol
Appearancewhite to off-white powder
Sensitivityair, moisture
Molecular formulaC34H58Ba
Linear formula C34H58Ba
Packagingglassware/metal containers/bubblers

Bis[(tri-tert-butyl)cyclopentadienyl]barium has been used as a precursor for Barium titanate thin films are grown by atomic layer deposition (ALD) at 340 °C.  See links below

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 BA9899 contact us at

Safety information

UNNot regulated
Hazardous classNot regulated
Packing groupNot regulated
Signal wordWARNING
Hazard statementsH315-H319-H335
Precautionary statementsP261-P264-P271-P280-P302 + P352-P304 + P340-P305 + P351 + P338-P312-P332 + P313-P337 + P313-P362
Transport descriptionNONH for all modes of transport
In TSCA registryNo (research and development usage only)

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.


Certificates of Analysis (CoA)

If you don’t see the needed lot of Bis[(tri-tert-butyl)cyclopentadienyl]barium below please contact customer support at

Lot# 031/355

Known applications and external links

With Bis[(tri-tert-butyl)cyclopentadienyl]barium other customers often ask:

Ereztech synthesizes and sells additional BA-compounds.

To purchase BA9899 contact us at