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11038 Supelco

2,3-Butanedione

analytical standard

Synonym: Biacetyl, Diacetyl

  • CAS Number 431-03-8

  • Linear Formula CH3COCOCH3

  • Molecular Weight 86.09

  •  Beilstein/REAXYS Number 605398

  •  EC Number 207-069-8

  •  MDL number MFCD00008756

  •  PubChem Substance ID 329749296

  •  NACRES NA.24

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Properties

Related Categories A-B, A-C, A-F, A-L, Additional Standards,
Quality Level   100
grade   analytical standard
vapor density   3 (vs air)
vapor pressure   52.2 mmHg ( 20 °C)
assay   ≥99.0% (GC)
form   neat
autoignition temp.   345 °C
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.394 (lit.)
  n20/D 1.394
bp   88 °C (lit.)
density   0.981 g/mL (lit.)
Featured Industry   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
InChI key   QSJXEFYPDANLFS-UHFFFAOYSA-N

Description

General description

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.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Target organs 
Respiratory system
RIDADR 
UN 2346 3 / PGII
RTECS 
EK2625000
Protocols & Articles

Articles

GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 μm DVB/Carboxen/PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 μm DVB/Carboxen/PDMS Fiber
Keywords: Chromatography, Gas chromatography, Mass spectrometry, Purification, Size-exclusion chromatography, Solid phase microextractions

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Peer-Reviewed Papers
15

References

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