推荐产品
等级
analytical standard
质量水平
方案
≥96.0% (GC)
保质期
limited shelf life, expiry date on the label
技术
HPLC: suitable
gas chromatography (GC): suitable
杂质
≤1.0% water
折射率
n20/D 1.401-1.409
n20/D 1.404 (lit.)
沸点
110-112 °C (lit.)
mp
−52 °C (lit.)
密度
0.957 g/mL at 25 °C (lit.)
应用
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
包装形式
neat
储存温度
2-8°C
SMILES字符串
CCC(=O)C(C)=O
InChI
1S/C5H8O2/c1-3-5(7)4(2)6/h3H2,1-2H3
InChI key
TZMFJUDUGYTVRY-UHFFFAOYSA-N
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应用
使用顶空-气相色谱技术（HS-GC）测定啤酒样品中的 2,3-戊二酮时，2,3-戊二酮可作为参考标准品。
有关合适的仪器技术的更多信息，请参阅产品的分析证书。想要获得更多支持，请联系技术服务部。
注意
对空气和光敏感；在氩气下包装
警示用语：
Danger
危险声明
危险分类
Flam. Liq. 2 - Skin Sens. 1B - STOT RE 2
储存分类代码
3 - Flammable liquids
WGK
WGK 1
闪点(°F)
66.2 °F - open cup
闪点(°C)
19 °C - open cup
法规信息
危险化学品
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
Konstantinos E Farsalinos et al.
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 17(2), 168-174 (2014-09-03)
The purpose of this study was to evaluate sweet-flavored electronic cigarette (EC) liquids for the presence of diacetyl (DA) and acetyl propionyl (AP), which are chemicals approved for food use but are associated with respiratory disease when inhaled. In total
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