CAS 501-65-5

Diphenylacetylene

Description:

Diphenylacetylene, with the CAS number 501-65-5, is an organic compound characterized by its structure, which features two phenyl groups attached to an acetylene moiety. It is a colorless to pale yellow solid at room temperature and is known for its high melting point and low solubility in water, making it more soluble in organic solvents like ethanol and ether. Diphenylacetylene exhibits notable optical properties, including fluorescence, and is often used in organic synthesis and materials science, particularly in the development of polymers and as a precursor for various chemical reactions. Its molecular formula is C14H10, and it has a linear structure that contributes to its unique reactivity and stability. Additionally, diphenylacetylene can undergo various chemical transformations, including hydrogenation and cycloaddition reactions, making it a valuable compound in synthetic organic chemistry. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.

Formula: C₁₄H₁₀

InChI: InChI=1S/C14H10/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-10H

InChI key: InChIKey=JRXXLCKWQFKACW-UHFFFAOYSA-N

SMILES: C(#CC1=CC=CC=C1)C2=CC=CC=C2

Synonyms:

• (2-Phenylethynyl)benzene
• (Phenylethynyl)Benzene
• 1,1'-(1,2-Ethanediyl)bisbenzene
• 1,1'-(1,2-Ethynediyl)bis[benzene]
• 1,1'-Ethyne-1,2-Diyldibenzene
• 1,1’-(1,2-Ethynediyl)Bis-Benzen
• 1,1’-(1,2-Ethynediyl)bisbenzene
• 1,2-Diphenyl Ethyne
• 1,2-Diphenylacetylene
• 1,2-Diphenylethyne
• 2-Phenylethynylbenzene
• Acetylene, Diphenyl-
• Benzene, 1,1'-(1,2-ethynediyl)bis-
• Difenilacetileno
• Diphenyl acetylene (Tolan)
• Diphenylacetylen
• Diphenylethyne
• Ethyne, diphenyl-
• Nsc 5185
• Tolan
• Tolane

Diphenylacetylene

CAS: 501-65-5

Formula: C₁₄H₁₀

Purity: >98.0%(GC)

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 178.23

Ref: 3B-D0871

Diphenylacetylene, 99%

CAS: 501-65-5

Diphenylacetylene is often used as a building block in organic and organometallic chemistry. It acts as dienophile and under goes Diels-Alder reaction with tetraphenylcyclopentadienone to prepare hexaphenylbenzene. It acts as a precursor in the preparation of 3-alkoxycyclopropene by reacting with be

Formula: C₁₄H₁₀

Purity: 99%

Color and Shape: White to cream, Crystals or powder or crystalline powder

Molecular weight: 178.23

Ref: 02-A13979

DIPHENYLACETYLENE

CAS: 501-65-5

Formula: C₁₄H₁₀

Purity: 97%

Color and Shape: Solid

Molecular weight: 178.2292

Ref: IN-DA003PPE

Diphenylacetylene

CAS: 501-65-5

Diphenylacetylene

Purity: 99%

Molecular weight: 178.23g/mol

Ref: 54-OR75328

Diphenylacetylene

Controlled Product

CAS: 501-65-5

Applications Diphenylacetylene is a reagent used in the preparation of polysubstituded pyrroles via oxidative nitrene transfer. Also used in the aerobic coupling of salicyaldehydes with alkynes.
References Dewan, A. et al.: ACS Omega, 3, 5327 (2018); Yamane, S. et al.: Chem. A Eur. J., 24, 7852 (2018);

Formula: C₁₄H₁₀

Color and Shape: Colourless

Molecular weight: 178.23

Ref: TR-D493398

sym-Diphenylacetylene

CAS: 501-65-5

Sym-Diphenylacetylene is a compound that belongs to the class of organic compounds known as heterocycles. It is a derivative of picolinic acid, which has been shown to be involved in the biosynthesis of nicotinic acid. Sym-Diphenylacetylene has been used as a model system for picolinic acid and dimethyl fumarate reactions, with thermal expansion properties that are similar to those of anhydrous sodium. The phase transition temperature for this compound is around 130°C and it undergoes transfer reactions with other substances such as hydrogen bonding interactions.

Formula: C₁₄H₁₀

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 178.23 g/mol

Ref: 3D-FS70534

1,2-Diphenylethyne

CAS: 501-65-5

Formula: C₁₄H₁₀

Purity: 95%

Color and Shape: Solid

Molecular weight: 178.234

Ref: 10-F464554

Diphenylacetylene, 99%

CAS: 501-65-5

Diphenylacetylene, 99%

Formula: C₆H₅CCC₆H₅

Purity: 99%

Color and Shape: white pwdr.

Molecular weight: 178.23

Ref: 08-06-0550