Substance

ID:715533

1,1,3,3-Tetramethylguanidine

Names and Identifiers
IUPAC name
1,1,3,3-tetramethylguanidine
IUPAC Traditional name
1,1,3,3-tetramethylguanidine
Synonyms
1,1,3,3-四甲基胍1,1,3,3-TetramethylguanidineTMG
Registration numbers
EC Number
Beilstein Number
CAS Number
MDL Number
Properties
Safety Information
European Hazard Symbols
Corrosive Corrosive (C)
Harmful Harmful (X)
Storage Warning
Air Sensitive
GHS Pictograms
GHS06
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
GHS05
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
GHS02
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Risk Statements
22-34
Safety Statements
26-36/37/39-45
Hazard Class
8
GHS Hazard statements
H301-H314-H318-H226
TSCA Listed
Packing Group
II
GHS Precautionary statements
P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A
UN Number
UN2920
Physical Property
Boiling Point
162°C
Density
0.918
Melting Point
<-30°C
Refractive Index
1.4690
Flash Point
60°C(140°F)
Product Information
Purity
99%
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Inexpensive and efficient ligand for the palladium-catalyzed Heck reaction: Synlett, 1885 (2005).
• Other uses include: Acylation of amino acids by methyl trifluoroacetate: Synthesis, 399 (1976). Formation of Boc-amino acids with tert-butyl phenyl carbonate: Org. Synth. Coll., 6, 203 (1988). Cleavage of peptides from resins: Tetrahedron, 40, 4237 (1984). Selective cleavage of a primary benzyloxycarbonyl (Cbz, Z) group in the presence of either Boc or secondary Cbz: J. Chem. Soc., Perkin 1, 1905 (1988). See also 4-Chloromethylpyridine hydrochloride, A12859 and Appendix 6.
• Strong organic base useful for the formation of organic-soluble salts, and as a basic catalyst, e.g. in Michael addition reactions: J. Org. Chem., 27, 3175 (1962); Tetrahedron Lett., 569 (1973). Preferred catalyst in the Michael addition of aliphatic nitro compounds to unsaturated esters: Synthesis, 44 (1972); 953 (1989); Tetrahedron Lett., 30, 993 (1989).
• Useful base for formation of TBDMS ethers of alcohols with tert-Butyldimethylchlorosilane, A13064: J. Org. Chem., 49, 4657 (1984).
• For use in the Baylis-Hillman reaction, see: J. Chem. Soc., Perkin 1, 2831 (2001).