跳轉至內容
Merck
全部照片(1)

Key Documents

69043

Supelco

2,3-戊二酮

analytical standard

同義詞:

乙酰基丙酰

登入查看組織和合約定價


About This Item

線性公式:
CH3CH2COCOCH3
CAS號碼:
分子量::
100.12
Beilstein:
1699638
EC號碼:
MDL號碼:
分類程式碼代碼:
85151701
PubChem物質ID:
NACRES:
NA.24

等級

analytical standard

品質等級

化驗

≥96.0% (GC)

儲存期限

limited shelf life, expiry date on the label

技術

HPLC: suitable
gas chromatography (GC): suitable

雜質

≤1.0% water

折射率

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

bp

110-112 °C (lit.)

mp

−52 °C (lit.)

密度

0.957 g/mL at 25 °C (lit.)

應用

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

格式

neat

儲存溫度

2-8°C

SMILES 字串

CCC(=O)C(C)=O

InChI

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

InChI 密鑰

TZMFJUDUGYTVRY-UHFFFAOYSA-N

尋找類似的產品? 前往 產品比較指南

應用

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

訊號詞

Danger

危險聲明

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

66.2 °F - open cup

閃點(°C)

19 °C - open cup


從最近期的版本中選擇一個:

分析證明 (COA)

Lot/Batch Number

未看到正確版本?

如果您需要一個特定的版本,您可以透過批號來尋找特定憑證。

已經擁有該產品?

您可以在文件庫中找到最近購買的產品相關文件。

存取文件庫

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

條款

-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

聯絡技術服務