1,1-Dimethylpropargylamine
Synonym(s):1,1-Dimethylpropargylamine;3-Amino-3-methyl-1-butyne
- CAS NO.：2978-58-7
- Empirical Formula: C5H9N
- Molecular Weight: 83.13
- MDL number: MFCD00008052
- EINECS: 221-029-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-01 18:09:03
What is 1,1-Dimethylpropargylamine?
Chemical properties
Clear colorless to yellow liquid
The Uses of 1,1-Dimethylpropargylamine
1,1-Dimethylpropargylamine is used as an organic chemical synthesis intermediate.
Hazard
Moderately toxic by ingestion. A moderate eye irritant.
Purification Methods
Dissolve 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.]
Properties of 1,1-Dimethylpropargylamine
| 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 |
| Flash point: | 2 °C |
| storage temp. | 2-8°C |
| form | Liquid |
| pka | 8.67±0.25(Predicted) |
| color | Clear colorless to yellow |
| Water Solubility | Very soluble in water. |
| Sensitive | Air Sensitive |
| CAS DataBase Reference | 2978-58-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-Butyn-2-amine, 2-methyl-(2978-58-7) |
| EPA Substance Registry System | 3-Butyn-2-amine, 2-methyl- (2978-58-7) |
Safety information for 1,1-Dimethylpropargylamine
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H314:Skin corrosion/irritation H334:Sensitisation, respiratory |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,1-Dimethylpropargylamine
| InChIKey | VUGCBIWQHSRQBZ-UHFFFAOYSA-N |
New Products
4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium THOMAIND PAPER PH 2.0 TO 4.5 1 BOX BUFFER CAPSULE PH 9.2 - 10 CAP SODIUM CHLORIDE 0.1N CVS ALLOXAN MONOHYDRATE 98% PLATINUM 0.5% ON 3 MM ALUMINA PELLETS (TYPE 73) LITHIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
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