The systematic name of 2-Propynylamine is prop-2-yn-1-amine. With the CAS registry number 2450-71-7, it is also named as 3-Aminopropyne. The product's categories are Amines; Blocks; Amines and Anilines; Acetylenes; Functionalized Acetylenes. It is clear colorless to yellow liquid which is stable under normal temperature and pressure. When heated to decomposition it emits toxic fumes of NO_x. Additioanlly, this chemical should be sealed in the container and stored in the cool and dry place.

 The other characteristics of 2-Propynylamine can be summarized as: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 1; (4)ACD/KOC (pH 7.4): 3.384; (5)#H bond acceptors: 1; (6)#H bond donors: 2; (7)#Freely Rotating Bonds: 1; (8)Index of Refraction: 1.441; (9)Molar Refractivity: 17.311 cm³; (10)Molar Volume: 65.498 cm³; (11)Polarizability: 6.862×10^-24 cm³; (12)Surface Tension: 35.199 dyne/cm ; (13)Flash Point: 3.889 °C; (14)Enthalpy of Vaporization: 32.354 kJ/mol; (15)Boiling Point: 82.999 °C at 760 mmHg; (16)Vapour Pressure: 76.795 mmHg at 25°C.

Uses of 2-Propynylamine: It is used as pharmaceutical intermediate and solid fuel propellant. It is also an important intermediate in organic synthesis. For example: it can react with 1H-benzo[d][1,3]oxazine-2,4-dione to get o-amino-N-propynylbenzamide. This reaction needs solvent dimethylformamide at temperature of 40-45 °C. The reaction time is 4.0 hours. The yield is 90%.

When you are using this chemical, please be cautious about it as the following:
It is highly flammable and causes burns, so people should keep it away from sources of ignition. It is not only harmful if swallowed, but also toxic in contact with skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 

People can use the following data to convert to the molecule structure.
1. SMILES:C#CCN
2. InChI:InChI=1/C3H5N/c1-2-3-4/h1H,3-4H2
3. InChIKey:JKANAVGODYYCQF-UHFFFAOYAA

The following are the toxicity data which has been tested.