Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato) chromium(III)

Synonym: Cr(TMHD)3, Chromium(III) tris(2, 2, 6, 6-tetramethyl-3, 5-heptanedionate), Chromium tetramethylheptanedionate, Tris-(2, 2, 6, 6-tetramethyl-3, 5-heptandionato)chrom(III)
CAS Number 14434-47-0 | MDL Number MFCD00058919 | EC Number 623-269-1

Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato) chromium(III) Chemical Structure

Product CodeCR4470
CAS Number14434-47-0
Assay (purity)98.5%
Purity methodby elemental analysis
Metal purity99%-Cr
Molecular weight601.82
Appearancepurple crystals
Melting point228-233C
Elemental analysis%C=64.9-66.8; %H=9.4-9.7; %Cr=8.5-8.8
Molecular formulaC33H57CrO6
Linear formulaCr(OCC(CH3)3CHCOC(CH3)3)3

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 Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato) chromium(III) contact us at

Safety information

Signal wordWARNING
Hazard statementsH302, H312, H332
Precautionary statementsP261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

If you don’t see the needed lot of Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato) chromium(III) below please contact customer support at

Lot# 019311

External identifiers for Cr(TMHD)3

Pubchem CID131873778
IUPAC Namechromium(3+);2,2,6,6-tetramethylheptane-3,5-dione
InchI IdentifierInChI=1S/3C11H19O2.Cr/c3*1-10(2,3)8(12)7-9(13)11(4,5)6;/h3*7H,1-6H3;/q3*-1;+3

Ereztech synthesizes and sells additional CR-compounds.

To purchase Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato) chromium(III) contact us at