1,4-DIPHENYLBUTADIYNE
- CAS NO.：886-66-8
- Empirical Formula: C16H10
- Molecular Weight: 202.25
- MDL number: MFCD00004787
- EINECS: 212-953-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-05-04 17:34:43
What is 1,4-DIPHENYLBUTADIYNE?
Chemical properties
white crystalline needles
The Uses of 1,4-DIPHENYLBUTADIYNE
1,4-Diphenylbutadiyne was used in the preparation of 7,8-dehydropurpurin dimers via two-fold Pd-catalyzed [3+2] annulation of meso-bromoporphyrin.
Definition
ChEBI: 1,4-diphenylbutadiyne is an arylacetylene and a member of benzenes. It has a role as a fluorochrome.
Synthesis Reference(s)
The Journal of Organic Chemistry, 52, p. 443, 1987 DOI: 10.1021/jo00379a025
Synthetic Communications, 20, p. 2181, 1990 DOI: 10.1080/00397919008053156
Tetrahedron Letters, 26, p. 523, 1985 DOI: 10.1016/S0040-4039(00)61928-7
General Description
1,4-Diphenylbutadiyne reacts with [WI2(CO)3(NCMe)2] in CH2Cl2 to give the iodo-bridged dimer [W(μ-I)I(CO)(NCMe)(η2PhC2C2Ph)]2. 1,4-Diphenylbutadiyne on UV irradiation with olefins such as 2,3-dimethyl-2-butene, 1,4-cyclohexadiene and dimethyl fumarate yields cross-cycloaddition products.
Properties of 1,4-DIPHENYLBUTADIYNE
| Melting point: | 86-87 °C (lit.) |
| Boiling point: | 210 °C / 3mmHg |
| Density | 1.2615 (estimate) |
| refractive index | 1.5000 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| color | White to Light yellow |
| Water Solubility | Sparingly soluble in water(5.5E-4 g/L) (25°C). Soluble in toluene almost transparency. |
| BRN | 1910105 |
| CAS DataBase Reference | 886-66-8(CAS DataBase Reference) |
| EPA Substance Registry System | Benzene, 1,1'-(1,3-butadiyne-1,4-diyl)bis- (886-66-8) |
Safety information for 1,4-DIPHENYLBUTADIYNE
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 1,4-DIPHENYLBUTADIYNE
New Products
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