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886-66-8 - 1,4-Diphenylbutadiyne, 99% - 1,4-Diphenyldiacetylene - A13471 - Alfa Aesar

A13471 1,4-Diphenylbutadiyne, 99%

CAS Number
886-66-8
Synonyms
1,4-Diphenyldiacetylene

Size Price ($) Quantity Availability
5g 82.71
25g 221.60
100g 736.00
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1,4-Diphenylbutadiyne, 99%

MDL
MFCD00004787
EINECS
212-953-1

Chemical Properties

Formula
C6H5CC≡CC≡CC6H5
Formula Weight
202.26
Melting point
86-87°
Solubility
Sparingly soluble in water(5.5E-4 g/L) (25°C). Soluble in toluene almost transparency.

Applications

1,4-Diphenylbutadiyne was used in the preparation of 7,8-dehydropurpurin dimers via two-fold Pd-catalyzed [3+2] annulation of meso-bromoporphyrin.

Notes

Store in cool, dry place in tightly closed container. Store away from oxidizing agent.

Literature References

Norihito Fukui et. al. Synthesis of 7,8-dehydropurpurin dimers and their conversion into conformationally constrained β-to-β vinylene-bridged porphyrin dimers. Angewandte Chemie. International edition in English. 2014, 53(17), 4395-4398.

Ajayi-Obe T, et al.1, 4-Diphenylbutadiyne complexes of tungsten (II). J. Organomet. Chem., 1994, 468 (1), 165-70.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1910105
Harmonized Tariff Code
2902.90
TSCA
Yes

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