11038

2,3-Butanedione

analytical standard

• Szinonimák: Biacetyl, Diacetyl
• Lineáris képlet: CH₃COCOCH₃
• CAS-szám: 431-03-8
• Molekulatömeg: 86.09
• Beilstein: 605398
• EC-szám: 207-069-8
• MDL-szám: MFCD00008756
• UNSPSC kód: 41116107
• PubChem Substance ID: 329749296
• NACRES: NA.24

Tulajdonságok

• grade: analytical standard
• Minőségi szint: 100
• gőzsűrűség: 3 (vs air)
• gőznyomás: 52.2 mmHg ( 20 °C)
• Teszt: ≥99.0% (GC)
• öngyulladási hőmérséklet: 345 °C
• eltarthatósági idő: limited shelf life, expiry date on the label
• technika/technikák: HPLC: suitable; gas chromatography (GC): suitable
• törésmutató: n20/D 1.394 (lit.)
• bp: 88 °C (lit.)
• sűrűség: 0.981 g/mL (lit.)
• alkalmazás(ok): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care
• format: neat
• SMILES string: CC(=O)C(C)=O
• InChI: 1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
• Nemzetközi kémiai azonosító kulcs: QSJXEFYPDANLFS-UHFFFAOYSA-N

Leírás

Általános leírás

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.

Alkalmazás

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.

Javasolt termékek

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.

Biztonsági adatok

• Piktogramok: GHS02,GHS06,GHS08,GHS05
• Figyelmeztetés: Danger
• Figyelmeztető mondatok: H225,H302,H315,H317,H318,H331,H373
• Óvintézkedésre vonatkozó mondatok: P210 - P280 - P301 + P312 - P304 + P340 + P311 - P305 + P351 + P338 - P314
• Veszélyességi osztályok: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
• Célzott szervek: Respiratory system
• Tárolási osztály kódja: 3 - Flammable liquids
• WGK: WGK 2
• Lobbanási pont (F): 44.6 °F - closed cup
• Lobbanási pont (C): 7 °C - closed cup
• Egyéni védőeszköz: Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter