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119-53-9 - Benzoin, 99% - 2-Hydroxy-2-phenylacetophenone - A10188 - Alfa Aesar

A10188 Benzoin, 99%

Numéro CAS
119-53-9
Synonymes
2-Hydroxy-2-phenylacetophenone

Dimensions Prix ($) Quantité Disponibilité
250g 26,20
1000g 70,10
5000g 306,00
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Benzoin, 99%

MDL
MFCD00004496
EINECS
204-331-3

Propriétés chimiques

Formule
C14H12O2
Poids formulaire
212.25
Point de fusion
131-136°
Point d'ébullition
334-344°
Point d'éclair
181°(357°F)
Densité
1.310
Solubilité
Soluble in chlorine. Slightly soluble in water, ethanol and ether.

Applications

Benzoin is used as a flavor, antiseptic and photopolymerization catalyst. It is also used as a raw material in organic syntheses. It serves as a precursor to benzil, which is a photoinitiator. Further, it is used as degassing agent for powder coatings. In addition to this, it is used as an additive and in powder coating to remove the pinhole phenomenon.

Notes

Moisture sensitive. Incompatible with acids, acid anhydrides, acid chlorides and strong oxidizing agents.

Références bibliographiques

Exclusive C-alkylation occurs with an alkyl bromide and NaOH in DMSO: Liebigs Ann. Chem., 735, 56 (1970). Borohydride reduction and periodate cleavage of the product lead to a useful synthesis of aryl ketones, with benzoin functioning as a benzoyl anion equivalent: Synthesis, 268 (1975):

This has been extended to include alkylation with other electrophiles including primary and secondary alkyl iodides and Michael acceptors, and the route shortened by direct cleavage of the alkylated benzoin with hydrogen peroxide: Synthesis, 36 (1980).

Zeng, H.; Wang, K.; Tian, Y.; Niu, Y.; Greene, L.; Hu, Z.; Lee, J. K. Reprint of “The benzoin condensation: Charge tagging of the catalyst allows for tracking by mass spectrometry”. Int. J. Mass Spectrom. 2015, 378, 169-174.

Alamgir, M.; Khuhawar, M. Y.; Memon, S. Q.; Hayat, A.; Zounr, R. A. Spectrofluorimetric analysis of famotidine in pharmaceutical preparations and biological fluids by derivatization with benzoin. Spectrochim. Acta, Part A 2015, 134, 449-452.

Mentions de danger et de prudence du SGH

Mentions de prudence: P260u-P201-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,1093
Beilstein
391839
Code tarifaire harmonisé
2914.40
TSCA
Yes
RTECS
DI1590000

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Analytique et matériel de laboratoire