Merck
CN

94425

Supelco

丙酸

analytical standard

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别名:
Propanoic acid, Propanyl acid, 初油酸
线性分子式:
CH3CH2COOH
CAS号:
分子量:
74.08
Beilstein:
506071
EC 号:
MDL编号:
eCl@ss:
39021305
PubChem化学物质编号:

等级

analytical standard

质量水平

蒸汽密度

2.55 (vs air)

蒸汽压

2.4 mmHg ( 20 °C)

检测方案

≥99.5% (GC)

自燃温度

955 °F

保质期

limited shelf life, expiry date on the label

expl. lim.

12.1 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.386 (lit.)
n20/D 1.386

bp

141 °C (lit.)

mp

−24-−23 °C (lit.)

溶解性

H2O: soluble

密度

0.993 g/mL at 25 °C (lit.)

application(s)

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

格式

neat

SMILES string

CCC(O)=O

InChI

1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

InChI key

XBDQKXXYIPTUBI-UHFFFAOYSA-N

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一般描述

丙酸 (PA) 是一种天然存在的羧酸,在其纯态下存在为无色、有难闻气味的腐蚀性液体。在水中可混溶。工业上它是由乙烯在羰基镍催化下发生氢羧化反应生成的。PA 具有减少食物摄入、降低血浆和肝脏中脂肪酸含量、改善组织胰岛素敏感性和发挥免疫抑制作用。丙酸是一种优良的原料,因为它稳定,廉价和安全,甚至可以作为食品添加剂使用。

应用

丙酸已被用作 罗伊氏乳杆菌 SK24.003 和 α- D -葡聚糖。
有关合适仪器技术的更多信息,请参考产品的分析证书。如需进一步支持,请联系技术服务。

推荐产品

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

警示用语:

Danger

危险声明

危险分类

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

129.2 °F - closed cup

闪点(°C)

54 °C - closed cup

个人防护装备

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

法规信息

危险化学品

分析证书(COA)

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示例

T1503
货号
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25G
包装规格/数量

其它示例:

705578-5MG-PW

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1000309185

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  • 如果您查询到的批号为 TO09019TO 等,请输入去除前两位字母的批号:09019TO。

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索取COA

Structural elucidation and in vitro fermentation of extracellular ?-d-glucan from Lactobacillus reuteri SK24. 003
Miao M, et al.
Bioactive Carbohydrates and Dietary Fibre, 6(2), 109-116 (2015)
Livia H Morais et al.
Current biology : CB, 30(19), 3761-3774 (2020-08-22)
Birth by Caesarean (C)-section impacts early gut microbiota colonization and is associated with an increased risk of developing immune and metabolic disorders. Moreover, alterations of the microbiome have been shown to affect neurodevelopmental trajectories. However, the long-term effects of C-section
Nucleophilic ?-Carbon Activation of Propionic Acid as a 3-Carbon Synthon by Carbene Organocatalysis
Jin, Zhichao, et al.
Chemistry?A European Journal , 21 (26), 9360-9363 (2015)
Flour and Breads and their Fortification in Health and Disease Prevention.
Victor R. Preedy, Ronald Ross Watson, Vinood B
Technology & Engineering, 476-476 (2011)
Biological effects of propionic acid in humans; metabolism, potential applications and underlying mechanisms
Sa'ad, H., et al.
Molecular and Cellular Biology, 1801 (11), 1175-1183 (2010)

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实验方案

Separation of Acetone; Acetic acid; Propionic acid; Ethyl butyrate; Ethanol; Isoamyl acetate; Isobutyric acid; 3-Methyl-2-butanol; Methyl acetate; 1-Propanol; Acetal, ≥98%, FG; 2-Methyl-1-pentanol; Butyl acetate; Ethyl propionate; 3-Pentanol; 2-Pentanol, 98%; Ethyl isobutyrate; Isobutyl acetate; Acetaldehyde; Furfural; Butyric acid; Methanol; Ethyl acetate

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