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HomeProduct name list1,4-DIPHENYLBUTADIYNE

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
1,4-DIPHENYLBUTADIYNE Structural

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)
ghs
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

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