The CAS register number of 1,9-Decadiyne is 1720-38-3. It also can be called as Decadiyne and the systematic name about this chemical is deca-1,9-diyne. The molecular formula about this chemical is C₁₀H₁₄ and the molecular weight is 134.22. It belongs to the following product categories which include Acetylenes; Acetylenic Hydrocarbons and so on. This chemical is flammable. If you want to use it, keep away from sources of ignition.

Physical properties about 1,9-Decadiyne are: (1)ACD/LogP: 3.37; (2)ACD/LogD (pH 5.5): 3.37; (3)ACD/LogD (pH 7.4): 3.37; (4)ACD/BCF (pH 5.5): 212.68; (5)ACD/BCF (pH 7.4): 212.68; (6)ACD/KOC (pH 5.5): 1613.58; (7)ACD/KOC (pH 7.4): 1613.58; (8)#Freely Rotating Bonds: 5; (9)Index of Refraction: 1.458; (10)Molar Refractivity: 44.03 cm³; (11)Molar Volume: 161.1 cm³; (12)Polarizability: 17.45x10^-24cm³; (13)Surface Tension: 33.6 dyne/cm; (14)Density: 0.832 g/cm³; (15)Flash Point: 56.9 °C; (16)Enthalpy of Vaporization: 40.27 kJ/mol; (17)Boiling Point: 183.7 °C at 760 mmHg; (18)Vapour Pressure: 1.04 mmHg at 25 °C.

Uses of 1,9-Decadiyne: it can be used to produce decane-2,9-dione. This reaction will need reagent of p-methoxybenzenetellurinic acid anhydride and solvent of acetic acid. This reaction needs heating. The reaction time is 20 hours. The yield is about 91%.

You can still convert the following datas into molecular structure:
(1)SMILES: C(#C)CCCCCCC#C
(2)InChI: InChI=1/C10H14/c1-3-5-7-9-10-8-6-4-2/h1-2H,5-10H2
(3)InChIKey: ILVDYAGPHFWNQI-UHFFFAOYAG
(4)Std. InChI: InChI=1S/C10H14/c1-3-5-7-9-10-8-6-4-2/h1-2H,5-10H2
(5)Std. InChIKey: ILVDYAGPHFWNQI-UHFFFAOYSA-N