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74331-70-7

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Basic Information
CAS No.: 74331-70-7
Name: 2-Ethynyl-1,4-dimethylbenzene
Article Data: 4
Molecular Structure:
Molecular Structure of 74331-70-7 (2-Ethynyl-1,4-dimethylbenzene)
Formula: C10H10
Molecular Weight: 130.189
Synonyms: p-Xylene,2-ethynyl- (6CI);(2,5-Dimethylphenyl)acetylene;2-Ethynyl-1,4-dimethylbenzene;
Density: 0.93 g/cm3
Boiling Point: 200.1 °C at 760 mmHg
Flash Point: 63 °C
Hazard Symbols: FlammableF;IrritantXi
Risk Codes: R11;R41
Safety: 16-26-36
Transport Information: UN 1993 3/PG 3
PSA: 0.00000
LogP: 2.28470
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Specification

The 2-Ethynyl-1,4-dimethylbenzene, its cas register number is 74331-70-7. It also can be called as Benzene,2-ethynyl-1,4-dimethyl- and the Systematic name about this chemical is 2-ethynyl-1,4-dimethylbenzene. It belongs to the following product categories, such as Alkynes, Organic Building Blocks, Terminal and so on.

Physical properties about 2-Ethynyl-1,4-dimethylbenzene are: (1)Index of Refraction: 1.528; (2)Molar Refractivity: 43.05 cm3; (3)Molar Volume: 139.7 cm3; (4)Polarizability: 17.07x10-24cm3; (5)Surface Tension: 34.9 dyne/cm; (6) Enthalpy of Vaporization: 41.85 kJ/mol; (7)Vapour Pressure: 0.467 mmHg at 25°C

When you are using this chemical, you should be very cautious. This chemical is highly flammable and has a risk of serious damage to the eyes. When you are contacting with it, wear suitable protective clothing and keep away from sources of ignition. And if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: C#Cc1cc(C)ccc1C
(2)InChI: InChI=1/C10H10/c1-4-10-7-8(2)5-6-9(10)3/h1,5-7H,2-3H3
(3)InChIKey: UNUIVBVNLZPXCR-UHFFFAOYAV
(4)Std. InChI: InChI=1S/C10H10/c1-4-10-7-8(2)5-6-9(10)3/h1,5-7H,2-3H3
(5)Std. InChIKey: UNUIVBVNLZPXCR-UHFFFAOYSA-N