11038

2,3-Butanedione

analytical standard

• Synonim(y): Biacetyl, Diacetyl
• Wzór liniowy: CH₃COCOCH₃
• Numer CAS: 431-03-8
• Masa cząsteczkowa: 86.09
• Beilstein: 605398
• Numer WE: 207-069-8
• Numer MDL: MFCD00008756
• Kod UNSPSC: 41116107
• Identyfikator substancji w PubChem: 329749296
• NACRES: NA.24

Właściwości

• klasa czystości: analytical standard
• Poziom jakości: 100
• gęstość pary: 3 (vs air)
• ciśnienie pary: 52.2 mmHg ( 20 °C)
• Próba: ≥99.0% (GC)
• temp. samozapłonu: 345 °C
• okres trwałości: limited shelf life, expiry date on the label
• metody: HPLC: suitable; gas chromatography (GC): suitable
• współczynnik refrakcji: n20/D 1.394 (lit.)
• tw: 88 °C (lit.)
• gęstość: 0.981 g/mL (lit.)
• Zastosowanie: cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care
• format: neat
• ciąg SMILES: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• Klucz InChI: QSJXEFYPDANLFS-UHFFFAOYSA-N

Opis

Opis ogólny

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.

Zastosowanie

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.

Polecane produkty

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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Informacja o środkach bezpieczeństwa

• Piktogramy: GHS02,GHS06,GHS08,GHS05
• Hasło ostrzegawcze: Danger
• Zwroty wskazujące rodzaj zagrożenia: H225,H302,H315,H317,H318,H331,H373
• Zwroty wskazujące środki ostrożności: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Klasyfikacja zagrożeń: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• Organy docelowe: Respiratory system
• Kod klasy składowania: 3 - Flammable liquids
• Klasa zagrożenia wodnego (WGK): WGK 2
• Temperatura zapłonu (°F): 44.6 °F - closed cup
• Temperatura zapłonu (°C): 7 °C - closed cup
• Środki ochrony indywidualnej: Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter