| Identification | More | [Name]
Diphenylacetylene | [CAS]
501-65-5 | [Synonyms]
1,2-DIPHENYL ETHYNE
DIPHENYLACETYLENE
SYM-DIPHENYLACETYLENE
TOLAN
(Phenylethynyl)benzene
1,1'-(1,2-Ethanediyl)bisbenzene
1,1’-(1,2-ethynediyl)bis-benzen
1,1’-(1,2-Ethynediyl)bisbenzene
1,2-Diphenylacetylene
Acetylene, diphenyl-
acetylene,diphenyl-
Benzene, 1,1'-(1,2-ethynediyl)bis-
biphenylacetylene
Diphenylethyne
Ethyne, diphenyl-
ethyne,diphenyl-
Tolane
DIPHENYLACETYLENE, FOR SCINTILLATION
Diphenylacetylene,99%
Diphenilethyne | [EINECS(EC#)]
207-926-6 | [Molecular Formula]
C14H10 | [MDL Number]
MFCD00004786 | [Molecular Weight]
178.23 | [MOL File]
501-65-5.mol |
| Chemical Properties | Back Directory | [Appearance]
white crystals | [Melting point ]
59-61 °C (lit.) | [Boiling point ]
170 °C/19 mmHg (lit.) | [density ]
0.99 g/mL at 25 °C(lit.)
| [refractive index ]
1.6415 (estimate) | [Fp ]
170°C/19mm | [storage temp. ]
2-8°C
| [form ]
Crystalline Powder and Chunks | [color ]
Light yellow to brownish | [Specific Gravity]
0.99 | [Stability:]
Stable. Combustible. Incompatible with strong oxidizing agents. | [Water Solubility ]
Miscible with ether and hot alcohol. Immiscible with water. | [Specific Heat Capacity]
Cp(crystal):1.26746J/(g·K),at 25℃ | [Merck ]
14,9504 | [BRN ]
606478 | [InChI]
1S/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H | [InChIKey]
JRXXLCKWQFKACW-UHFFFAOYSA-N | [SMILES]
c1ccc(cc1)C#Cc2ccccc2 | [Uses]
Organic synthesis, purified grade, primary fluor
or wavelength shifter in soluble scintillators. | [CAS DataBase Reference]
501-65-5(CAS DataBase Reference) | [NIST Chemistry Reference]
Diphenylethyne(501-65-5) | [EPA Substance Registry System]
501-65-5(EPA Substance) |
| Safety Data | Back Directory | [Safety Statements ]
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust . | [WGK Germany ]
3
| [TSCA ]
Yes | [HS Code ]
29029090 | [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Chemical Properties]
white crystals | [Definition]
ChEBI: An arylacetylene that is acetylene in which the hydrogens are replaced by phenyl groups. | [Synthesis Reference(s)]
Canadian Journal of Chemistry, 61, p. 86, 1983 DOI: 10.1139/v83-015
Journal of the American Chemical Society, 87, p. 863, 1965 DOI: 10.1021/ja01082a029
The Journal of Organic Chemistry, 51, p. 3830, 1986 DOI: 10.1021/jo00370a016 | [Purification Methods]
Crystallise tolan from EtOH. [Beilstein 5 H 656, 5 IV 2276.] |
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