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Merck

02474

Supelco

4-甲基-2-戊酮

analytical standard

别名:

[=methyl isobutyl ketone(solvent)]甲基异丁基酮(溶剂), 异丁基甲基酮, 异丙基丙酮, 甲基异丁基酮

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About This Item

线性分子式:
(CH3)2CHCH2COCH3
CAS号:
分子量:
100.16
Beilstein:
605399
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

3.5 (vs air)

化驗

≥99.7% (GC)

自燃溫度

840 °F

儲存期限

limited shelf life, expiry date on the label

expl. lim.

1.2-8 %, 93 °F

技術

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.395 (lit.)
n20/D 1.396

bp

117-118 °C

mp

−80 °C (lit.)

密度

0.801 g/mL at 25 °C (lit.)

應用

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

格式

neat

SMILES 字串

CC(C)CC(C)=O

InChI

1S/C6H12O/c1-5(2)4-6(3)7/h5H,4H2,1-3H3

InChI 密鑰

NTIZESTWPVYFNL-UHFFFAOYSA-N

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一般說明

4-甲基-2-戊酮(甲基异丁基酮 (MBK))是一种有机溶剂,广泛应用于各种工业领域,以无色澄清液体的形式存在,具有良好的气味。偶尔发现它是尿液中的挥发性成分,使其成为判断职业性暴露于该溶剂的生物学标志。它被用作牙龈、树脂、油漆、清漆、漆及硝化棉的溶剂。

應用

在使用固相微萃取、质谱法和多变量分析 (SPME-MS-MVA) 测定提取的牛奶中的异味物质时,MBK 可用作 GC/MS 分析的内标物。4-甲基-2-戊酮可作为分析参考标准品,使用高效液相色谱-二极管阵列检测对水-酒精基质中的分析物进行定量。

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訊號詞

Danger

危險分類

Acute Tox. 4 Inhalation - Carc. 2 Inhalation - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

標靶器官

Central nervous system

安全危害

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

57.2 °F - closed cup

閃點(°C)

14 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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