Synonym: Gadolinium(III)-DPM, Gd(TMHD)3

CAS Number 14768-15-1 | MDL Number MFCD00010349 | EC Number 238-834-4

Gd(TMHD)3 Chemical Structure

Product codeGD8151
CAS number14768-15-1
Assay (purity)98.5%+
Metal purity99.9%-Gd
Purity methodby titration: %Gd=21.9-22.5% (complexometric)
Molecular weight707.07 g/mol
Appearanceoff-white powder
Melting point182-184 °C (360-363 °F)
Molecular formulaC33H57O6Gd
Linear formula(C11H19O2)3Gd
Packagingglassware/metal containers/bubblers

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)gadolinium(III) 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 (sold for 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 Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato)gadolinium(III) below please contact customer support at

Lot# 018/148 Lot# 021/182 Lot# 034/019 Lot# 019/304 Lot# 007/1307 Lot# 007/1327 Lot# 007/1327/2

External identifiers for Gadolinium(III)-DPM

Pubchem CID72376402
IUPAC Namegadolinium; (Z)-5-hydroxy-2,2,6,6-tetramethylhept-4-en-3-one
InchI IdentifierInChI=1S/3C11H20O2.Gd/c3*1-10(2,3)8(12)7-9(13)11(4,5)6;/h3*7,12H,1-6H3;/b3*8-7-;

With Tris(2,2,6,6-tetramethyl- 3,5-heptanedionato)gadolinium(III) other customers often ask:

Ereztech synthesizes and sells additional GD-compounds.

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