3,9-DODECADIYNE
- CAS NO.：61827-89-2
- Empirical Formula: C12H18
- Molecular Weight: 162.27
- MDL number: MFCD00041637
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:56
What is 3,9-DODECADIYNE?
The Uses of 3,9-DODECADIYNE
3,9-Dodecadiyne may be used as a monomer to prepare soluble hyperbranched poly(phenylenealkenes) via transition metal-catalyzed polycyclotrimerization. It may also be used as a starting material for preparing 1,2,3,4,9,10-hexaethyl-6,7,8,9-tetrahydroanthracene.
General Description
3,9-Dodecadiyne is an internal diyne that can undergo nickel-catalyzed cycloaddition with aryl nitriles to form pyridines.
Properties of 3,9-DODECADIYNE
| Melting point: | -9.25°C (estimate) |
| Boiling point: | 55-58 °C/0.5 mmHg (lit.) |
| Density | 0.809 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 203 °F |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Specific Gravity | 0.83 |
| BRN | 1698817 |
| CAS DataBase Reference | 61827-89-2(CAS DataBase Reference) |
Safety information for 3,9-DODECADIYNE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,9-DODECADIYNE
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