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Merck

69043

2,3-Pentanedione

analytical standard

Synonym(s):

Acetylpropionyl

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About This Item

Linear Formula:
CH3CH2COCOCH3
CAS Number:
Molecular Weight:
100.12
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
209-984-8
Beilstein/REAXYS Number:
1699638
MDL number:
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grade

analytical standard

Quality Level

assay

≥96.0% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤1.0% water

refractive index

n20/D 1.401-1.409, n20/D 1.404 (lit.)

bp

110-112 °C (lit.)

mp

−52 °C (lit.)

density

0.957 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

storage temp.

2-8°C

SMILES string

CCC(=O)C(C)=O

InChI

1S/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3

InChI key

TZMFJUDUGYTVRY-UHFFFAOYSA-N

Application

2,3-Pentanedione may be used as a reference standard in the determination of 2,3-pentanedione in beer samples using headspace-gas chromatographic technique (HS-GC).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Disclaimer

air and light sensitive; packaged under argon


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Danger

Hazard Classifications

Flam. Liq. 2 - Skin Sens. 1B - STOT RE 2

Storage Class

3 - Flammable liquids

flash_point_f

66.2 °F - open cup

flash_point_c

19 °C - open cup



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Certificates of Analysis (COA)

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The determination of diacetyl and 2,3-pentanedione in beer head space by chromatography.
Harrison FAG, et al.
Journal of the Institute of Brewing, 71(4), 336-341 (1965)
Bruna R Toledo et al.
Journal of chromatography. A, 1346, 1-7 (2014-05-03)
Solid-phase microextraction (SPME) using cross-linked polymeric ionic liquid (PIL)-based sorbent coatings was used to extract volatile aroma-related compounds from coffee samples. Several PIL-based coatings were screened alongside a commercial poly(acrylate) (PA) SPME coating. The best performing PIL-based SPME fiber, poly(1-vinyl-3-hexadecylimidazolium
Gisele C da Silva et al.
Food chemistry, 167, 71-77 (2014-08-26)
Two methods for the extraction, identification and quantification of the highest occurrence and lowest perception threshold off-flavours in fifteen different samples of Brazilian Pilsner beers were developed. For this purpose, headspace solid phase microextraction in combination with a gas chromatography



Global Trade Item Number

SKUGTIN
69043-100MG04061838820389