11038

2,3-Butanedione

analytical standard

• Sinônimo(s): Biacetyl, Diacetyl
• Fórmula linear: CH₃COCOCH₃
• Número CAS: 431-03-8
• Peso molecular: 86.09
• Beilstein: 605398
• Número CE: 207-069-8
• Número MDL: MFCD00008756
• Código UNSPSC: 41116107
• ID de substância PubChem: 329749296
• NACRES: NA.24

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• densidade de vapor: 3 (vs air)
• pressão de vapor: 52.2 mmHg ( 20 °C)
• Ensaio: ≥99.0% (GC)
• temperatura de autoignição: 345 °C
• prazo de validade: limited shelf life, expiry date on the label
• técnica(s): HPLC: suitable; gas chromatography (GC): suitable
• índice de refração: n20/D 1.394 (lit.)
• pb: 88 °C (lit.)
• densidade: 0.981 g/mL (lit.)
• aplicação(ões): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care
• formato: neat
• cadeia de caracteres SMILES: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• chave InChI: QSJXEFYPDANLFS-UHFFFAOYSA-N

Descrição

Descrição geral

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.

Aplicação

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.

Produtos recomendados

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Informações de segurança

• Pictogramas: GHS02,GHS06,GHS08,GHS05
• Palavra indicadora: Danger
• Frases de perigo: H225,H302,H315,H317,H318,H331,H373
• Declarações de precaução: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Classificações de perigo: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 3 - Flammable liquids
• Classe de risco de água (WGK): WGK 2
• Ponto de fulgor (°F): 44.6 °F - closed cup
• Ponto de fulgor (°C): 7 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter