1,1-Dimethylpropargylamine

1,1-Dimethylpropargylamine Basic information
Product Name:1,1-Dimethylpropargylamine
Synonyms:1,1-dimethyl-2-propynylamin;1,1-Dimethyl-2-propynylamine;1,1-dimethylpropynylamine;3-Methyl-1-butyne-3-amine;1,1-Dimethylpropargylamine,95%;1,1-Dimethylpropargylamine1,1-Dimethyl-2-propynylamine;2-Methyl-3-butyn-2-amine,1,1-Dimethylpropargylamine, 3-Amino-3-methyl-1-butyne;3-Amino-3-methylbut-1-yne
CAS:2978-58-7
MF:C5H9N
MW:83.13
EINECS:221-029-7
Product Categories:Small molecule
Mol File:2978-58-7.mol
1,1-Dimethylpropargylamine Structure
1,1-Dimethylpropargylamine Chemical Properties
Melting point 18°C
Boiling point 79-80 °C/760 mmHg
density 0.79 g/mL at 25 °C
vapor pressure 68.7hPa at 20℃
refractive index 1.422-1.425
Fp 2 °C
storage temp. 2-8°C
pka8.67±0.25(Predicted)
form Liquid
color Clear colorless to yellow
Water Solubility Very soluble in water.
Sensitive Air Sensitive
InChIKeyVUGCBIWQHSRQBZ-UHFFFAOYSA-N
LogP0.26 at 23℃
CAS DataBase Reference2978-58-7(CAS DataBase Reference)
NIST Chemistry Reference3-Butyn-2-amine, 2-methyl-(2978-58-7)
EPA Substance Registry System3-Butyn-2-amine, 2-methyl- (2978-58-7)
Safety Information
Hazard Codes Xi,C,F
Risk Statements 36/37/38-34-22-11-43
Safety Statements 26-36/37/39-45-16
RIDADR UN 2733
WGK Germany 3
RTECS ER9543533
TSCA Yes
HazardClass 3.1
PackingGroup II
HS Code 29211999
ToxicityLD50 oral in rat: 1470mg/kg
MSDS Information
ProviderLanguage
1,1-Dimethylpropargylamine English
1,1-Dimethylpropargylamine Usage And Synthesis
Chemical PropertiesClear colorless to yellow liquid
Uses1,1-Dimethylpropargylamine is used as an organic chemical synthesis intermediate.
HazardModerately toxic by ingestion. A moderate eye irritant.
Purification MethodsDissolve the amine in Et2O, dry over anhydrous K2CO3, filter, evaporate and distil (preferably under N2). Store it away from CO2. The hydrochloride [2978-59-8] has m 234o (from EtOH/Et2O). The benzoyl derivative has m 152-153o (from EtOH). [Hennion & Teach J Am Chem Soc 75 1653 1953, Hennion & DiGiovanna J Org Chem 30 2645 1965.]
Methylparaben Paraquat dichloride Betaine Methyl Lithium bis(trimethylsilyl)amide N,N,N',N'-Tetramethylethylenediamine Basic Violet 1 3-Aminopyridine Kresoxim-methyl Dimethyl sulfide 2-Butyne-1,4-diol 1,1-Dimethylpropargylamine Methanol Dimethyl sulfoxide Tris(hydroxymethyl)aminomethane Hexamethylenetetramine 3-Methyl butynol Hexamethyldisilazane

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