11038

2,3-Butanedione

analytical standard

• 동의어(들): Biacetyl, Diacetyl
• Linear Formula: CH₃COCOCH₃
• CAS Number: 431-03-8
• Molecular Weight: 86.09
• Beilstein: 605398
• EC Number: 207-069-8
• MDL number: MFCD00008756
• UNSPSC 코드: 41116107
• PubChem Substance ID: 329749296
• NACRES: NA.24

속성

• Grade: analytical standard
• Quality Level: 100
• vapor density: 3 (vs air)
• vapor pressure: 52.2 mmHg ( 20 °C)
• 분석: ≥99.0% (GC)
• autoignition temp.: 345 °C
• 유통기한: limited shelf life, expiry date on the label
• 기술: HPLC: suitable; gas chromatography (GC): suitable
• refractive index: n20/D 1.394 (lit.)
• bp: 88 °C (lit.)
• density: 0.981 g/mL (lit.)
• 응용 분야: cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care
• 형식: neat
• SMILES string: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• InChI key: QSJXEFYPDANLFS-UHFFFAOYSA-N

설명

일반 설명

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.[1][2]

애플리케이션

2,3-Butanedione may be used as an analytical standard for the determination of the analyte in milk[3] and human breath samples[4] 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.

추천 제품

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.

안전성 정보

• 픽토그램: GHS02,GHS06,GHS08,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H225,H302,H315,H317,H318,H331,H373
• 예방조치 성명서: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• 표적 기관: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point (°F): 44.6 °F - closed cup
• Flash Point (°C): 7 °C - closed cup
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter