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Name |
2-Butynedial |
EINECS | N/A |
CAS No. | 21251-20-7 | Density | 1.131 g/cm3 |
PSA | N/A | LogP | N/A |
Solubility | N/A | Melting Point |
N/A |
Formula | C4H2O2 | Boiling Point | 154.5 °C at 760 mmHg |
Molecular Weight | 82.0587 | Flash Point | 47.6 °C |
Transport Information | N/A | Appearance | N/A |
Safety | Risk Codes | N/A | |
Molecular Structure | Hazard Symbols | N/A | |
Synonyms |
Butynedial; |
Article Data | 1 |
The 2-Butynedial, with the CAS registry number of 21251-20-7, is also known as Butynedial. This chemical's molecular formula is C4H2O2 and molecular weight is 82.0. What's more, its systematic name is (2E)-1,4-Dioxobut-2-ene-2,3-diyl.
Physical properties about the 2-Butynedial are: (1)ACD/LogP: 0.86; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1; (4)ACD/LogD (pH 7.4): 1; (5)ACD/BCF (pH 5.5): 3; (6)ACD/BCF (pH 7.4): 3; (7)ACD/KOC (pH 5.5): 70; (8)ACD/KOC (pH 7.4): 70; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 34.14 Å2; (13)Index of Refraction: 1.436; (14)Molar Refractivity: 18.95 cm3; (15)Molar Volume: 72.5 cm3; (16)Surface Tension: 44.4 dyne/cm; (17)Density: 1.131 g/cm3; (18)Flash Point: 47.6 °C; (19)Enthalpy of Vaporization: 37.52 kJ/mol; (20)Boiling Point: 154.5 °C at 760 mmHg; (21)Vapour Pressure: 4.07 mmHg at 25 °C.
You can still convert the following datas into molecular structure:
(1) SMILES: O=CC#CC=O
(2) InChI: InChI=1/C4H2O2/c5-3-1-2-4-6/h3-4H
(3) InChIKey: AZEBXWRLBFPUTO-UHFFFAOYAK