2-methylbut-3-yn-2-amine
3-amino-3-methyl-1-Butyne
CAS: 2978-58-7
Molecular Formula: C5H9N
2-methylbut-3-yn-2-amine - Names and Identifiers
| Name | 3-amino-3-methyl-1-Butyne |
| Synonyms | MPA 2-methylbut-3-yn-2-amine 3-Amino-3-methylbut-1-yne 1,1-dimethylpropynylamine 3-Methyl-1-butyne-3-amine 3-amino-3-methyl-1-Butyne 3-Butyn-2-amine, 2-methyl- 1,1-dimethylpropargylamine 1,1-dimethyl-2-propynylamin 1,1-Dimethyl-2-propynylamine 1,1-Dimethyl-2-propynyl-1-amine 1,1-Dimethylpropargylamine1,1-Dimethyl-2-propynylamine 2-Methyl-3-butyn-2-amine,1,1-Dimethylpropargylamine, 3-Amino-3-methyl-1-butyne |
| CAS | 2978-58-7 |
| EINECS | 221-029-7 |
| InChI | InChI=1/C5H9N/c1-4-5(2,3)6/h1H,6H2,2-3H3 |
| InChIKey | VUGCBIWQHSRQBZ-UHFFFAOYSA-N |
2-methylbut-3-yn-2-amine - Physico-chemical Properties
| Molecular Formula | C5H9N |
| Molar Mass | 83.13 |
| Density | 0.79 g/mL at 25 °C |
| Melting Point | 18°C |
| Boling Point | 79-80 °C/760 mmHg |
| Flash Point | 2 °C |
| Water Solubility | Very soluble in water. |
| Vapor Presure | 68.7hPa at 20℃ |
| Appearance | Liquid |
| Color | Clear colorless to yellow |
| pKa | 8.67±0.25(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Air Sensitive |
| Refractive Index | 1.422-1.425 |
2-methylbut-3-yn-2-amine - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R22 - Harmful if swallowed R11 - Highly Flammable R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S16 - Keep away from sources of ignition. |
| UN IDs | UN 2733 |
| WGK Germany | 3 |
| RTECS | ER9543533 |
| TSCA | Yes |
| HS Code | 29211999 |
| Hazard Class | 3.1 |
| Packing Group | II |
| Toxicity | LD50 oral in rat: 1470mg/kg |
2-methylbut-3-yn-2-amine - Reference Information
| LogP | 0.26 at 23℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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View History
2-methylbut-3-yn-2-amine
1216658-90-0
2-Octynoic acid, pentyl ester
天冬氨酸镁二水合物
烯丙基膦酸二乙基酯
trysin-chymotrypsin
135999-61-0
4-溴-2-氟苯甲腈
1216658-90-0
2-Octynoic acid, pentyl ester
天冬氨酸镁二水合物
烯丙基膦酸二乙基酯
trysin-chymotrypsin
135999-61-0
4-溴-2-氟苯甲腈