B10358

p-Benzoquinone

reagent grade, ≥98%

• Synonyme(s) : Quinone
• Formule linéaire : C₆H₄(=O)₂
• Numéro CAS: 106-51-4
• Poids moléculaire : 108.09
• Numéro Beilstein : 773967
• Numéro CE : 203-405-2
• Numéro MDL: MFCD00001591
• Code UNSPSC : 12352005
• ID de substance PubChem : 57653913
• Nomenclature NACRES : NA.21

Propriétés

• Source biologique: synthetic
• Niveau de qualité: 200
• Qualité: reagent grade
• Densité de vapeur: 3.73 (vs air)
• Pression de vapeur: 0.1 mmHg ( 25 °C)
• Pureté: ≥98%
• Forme: powder or crystals
• Température d'inflammation spontanée: 815 °F
• Caractéristiques du produit alternatif plus écologique: Catalysis; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• Pf: 113-115 °C (lit.)
• Solubilité: water: soluble 14.7 g/L at 20 °C
• Température de stockage: room temp
• Chaîne SMILES: O=C1C=CC(=O)C=C1
• InChI: 1S/C6H4O2/c7-5-1-2-6(8)4-3-5/h1-4H
• Clé InChI: AZQWKYJCGOJGHM-UHFFFAOYSA-N
• Informations sur le gène: human ... ACHE(43) , BCHE(590) , CES1(1066)

Description

Description générale

p-Benzoquinone (PBQ) is a cyclic conjugated diketone. Its high-resolution photoelectron spectrum has been reported. The visible and near ultraviolet spectra of PBQ have been recorded and analyzed. Its addition as coagent has been reported to enhance the crosslinking rate of polypropylene initiated by the pyrolysis of peroxides. Its impact on hemoglobin (Hb) has been investigated based on immunoblots and mass spectral analysis of a smoker′s blood.

Free radical inhibitor

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalytic efficiency. Click here for more information.

Application

p-Benzoquinone may be used to form benzofuranone derivatives on reacting with anilides of β-aminocrotonic acids via Nenitzescu reaction.

Dienophile employed in Diels-Alder cycloadditions to form naphthoquinones, and 1,4-phenanthrenediones.

Oxidant used in first step of greener amine synthesis from terminal olefins by Wacker oxidation followed by transfer hydrogenation of the resultant imine.

Formal anti-Markovnikov hydroamination of terminal olefins

Informations sur la sécurité

• Pictogrammes: GHS02,GHS06,GHS08,GHS05,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H228,H301 + H331,H314,H317,H335,H341,H410
• Conseils de prudence: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classification des risques: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Flam. Sol. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 4.1B - Flammable solid hazardous materials
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): 170.6 °F - closed cup
• Point d'éclair (°C): 77 °C - closed cup
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges