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Merck

11038

Supelco

2,3-丁二酮

analytical standard

别名:

双乙酰, 联乙酰

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About This Item

线性分子式:
CH3COCOCH3
CAS号:
分子量:
86.09
Beilstein:
605398
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
NACRES:
NA.24

等級

analytical standard

品質等級

蒸汽密度

3 (vs air)

蒸汽壓力

52.2 mmHg ( 20 °C)

化驗

≥99.0% (GC)

自燃溫度

345 °C

儲存期限

limited shelf life, expiry date on the label

技術

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.394 (lit.)

bp

88 °C (lit.)

密度

0.981 g/mL (lit.)

應用

cleaning products
cosmetics
environmental
flavors and fragrances
food and beverages
personal care

格式

neat

SMILES 字串

CC(=O)C(C)=O

InChI

1S/C4H6O2/c1-3(5)4(2)6/h1-2H3

InChI 密鑰

QSJXEFYPDANLFS-UHFFFAOYSA-N

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一般說明

2,3-丁二酮,作为挥发性化合物,是柠檬酸代谢的产物,通常由包括乳酸乳球菌双乙酰亚种明串球菌亚叶柄等某些细菌产生。它具有典型的黄油味,通常存在于酸奶油、酸奶和白软干酪等发酵乳制品中。

應用

2,3-丁二酮可用作分析标准品,用于通过固相微萃取法和气相色谱法测定牛奶和人体气息样本中的分析物。
有关合适仪器技术的更多信息,请参考产品′s分析证书。如需进一步支持,请联系技术服务。

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请在我们的在线平台NMR用请在我们的在线平台NMR用ChemisTwin®查找本产品的数字化标准物质。您可以利用ChemisTwin®上的数字化等效物质进行样品确认和化合物定量(采用数字化外标)。您可以查看该物质的NMR 谱,点击鼠标即可与您的样品在线比较。点击此处了解更多信息,并开始免费试用

訊號詞

Danger

危險分類

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

44.6 °F - closed cup

閃點(°C)

7 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter


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分析证书(COA)

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