Synonym: Hafnium MMP, Hafnium methoxy-t-butoxide, Hafnium tetrakis(1-methoxy-2-methyl-2-propanolate), Hf(mmp)4

CAS Number 309915-48-8 | MDL Number MFCD03701583 

Hafnium MMP chemical structure

Product codeHF5488
CAS number309915-48-8
Assay (purity)98%+
NMR H1conforms to structure
Molecular weight591.05 g/mol
Melting point-5 °C (23 °F)
Boiling point135 °C (275 °F) at 10.1 hPa (7.6 mmHg)
Sensitivitymoisture, heat
Molecular formulaC20H44HfO8
Linear formulaHf(OC(CH3)2CH2OCH3)4
Packagingglassware/metal containers/bubblers

Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) is a volatile complex that was successfully applied as a precursor for the growth of HfO2 films by MOCVD and ALD. 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 HF5488 contact us at sales@ereztech.com

Safety information

Hazardous class
Packing groupIII
Signal wordWARNING
Hazard statementsH227
Precautionary statementsP210-P280-P370 + P378-P403 + P235-P501
Transport descriptionCombustible liquid, n.o.s. (Tetrakis(1- methoxy-2-methyl-2- propoxy)hafnium(IV))
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 Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) below please contact customer support at sales@ereztech.com

Lot# 015/833

External identifiers for Hafnium MMP

Pubchem CID101750534
IUPAC Namehafnium(4+);1-methoxy-2-methylpropan-2-olate
InchI IdentifierInChI=1S/4C5H11O2.Hf/c4*1-5(2,6)4-7-3;/h4*4H2,1-3H3;/q4*-1;+4

Known applications and external links

With Tetrakis(1-methoxy-2-methyl-2-propoxy)hafnium(IV) other customers often ask:

Ereztech synthesizes and sells additional HF-compounds.

To purchase HF5488 contact us at sales@ereztech.com