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A13471 1,4-Diphenylbutadiyne, 99%

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

Stock No. Size Price ($) Quantity Availability
A13471-06 5g 82.70
A13471-14 25g 282.00
A13471-22 100g 938.00
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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°
Storage & Sensitivity
Ambient temperatures.
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-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1910105
Harmonized Tariff Code
2902.90
TSCA
Yes

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