11038

2,3-Butanedione

analytical standard

• Synonyme(s) : Diacétyl
• Formule linéaire : CH₃COCOCH₃
• Numéro CAS: 431-03-8
• Poids moléculaire : 86.09
• Numéro Beilstein : 605398
• Numéro CE : 207-069-8
• Numéro MDL: MFCD00008756
• Code UNSPSC : 41116107
• ID de substance PubChem : 329749296
• Nomenclature NACRES : NA.24

Propriétés

• Qualité: analytical standard
• Niveau de qualité: 100
• Densité de vapeur: 3 (vs air)
• Pression de vapeur: 52.2 mmHg ( 20 °C)
• Pureté: ≥99.0% (GC)
• Température d'inflammation spontanée: 345 °C
• Durée de conservation: limited shelf life, expiry date on the label
• Technique(s): HPLC: suitable; gas chromatography (GC): suitable
• Indice de réfraction: n20/D 1.394 (lit.)
• Point d'ébullition: 88 °C (lit.)
• Densité: 0.981 g/mL (lit.)
• Application(s): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care
• Format: neat
• Chaîne SMILES: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• Clé InChI: QSJXEFYPDANLFS-UHFFFAOYSA-N

Description

Description générale

2,3-Butanedione, a volatile compound, is a product of citrate metabolism that is generally produced by certain bacteria including Lactococcus lactis ssp. diacetylactis and Leuconostoc citrovorum. It has a typical buttery flavor and is commonly found in fermented dairy products, such as sour cream, yogurt and cottage cheese.

Application

2,3-Butanedione may be used as an analytical standard for the determination of the analyte in milk and human breath samples by solid-phase microextraction and gas chromatography.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Produits recommandés

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Informations sur la sécurité

• Pictogrammes: GHS02,GHS06,GHS08,GHS05
• Mention d'avertissement: Danger
• Mentions de danger: H225,H302,H315,H317,H318,H331,H373
• Conseils de prudence: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Classification des risques: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• Organes cibles: Respiratory system
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): 44.6 °F - closed cup
• Point d'éclair (°C): 7 °C - closed cup
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter