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詳細(xì)介紹
丙酸 Sigma
丙酸 Sigma
General description
丙酸 (PA) 是一種天然存在的羧酸，在其純態(tài)下存在為無色、有難聞氣味的腐蝕性液體。在水中可混溶。工業(yè)上它是由乙烯在羰基鎳催化下發(fā)生氫羧化反應(yīng)生成的。[1]PA 具有減少食物攝入、降低血漿和肝臟中脂肪酸含量、改善組織胰島素敏感性和發(fā)揮免疫抑制作用。[2]丙酸是一種優(yōu)良的原料，因?yàn)樗€(wěn)定，廉價和安全，甚至可以作為食品添加劑使用。[3]
Application
丙酸已被用作 羅伊氏乳桿菌 SK24.003 和 α- D -葡聚糖。[4]
性質(zhì)
| Related Categories | Acid, Additional Standards, Alpha Sort, Analytical Standards, Antioxidant Standards, Antioxidants Standards, Application Areas and Market Segments, Chromatography, Environmental Standards, Flavor and Fragrance Standards, Food & Beverage Standards, Food and Beverage, Food and Cosmetic Component Standards, M-R, M-Z, Organic Acid Standards, P-S, Preservative & Antioxidants, Volatiles/ Semivolatiles, non E-Numbers, 分析/色譜, 化合物分類, 按字母排序, 香精香料 Less... |
| Quality Level | 100 |
| grade | analytical standard |
| vapor density | 2.55 (vs air) |
| vapor pressure | 2.4 mmHg ( 20 °C) |
| assay | ≥99.5% (GC) |
| form | neat |
| autoignition temp. | 955 °F |
| shelf life | limited shelf life, expiry date on the label |
| expl. lim. | 12.1 % |
| application(s) | HPLC: suitable |
| gas chromatography (GC): suitable | |
| refractive index | n20/D 1.386 (lit.) |
| n20/D 1.386 | |
| bp | 141 °C (lit.) |
| mp | −24-−23 °C (lit.) |
| solubility | H2O: soluble |
| density | 0.993 g/mL at 25 °C (lit.) |
| Featured Industry | Cleaning Products Cosmetics Environmental Flavors and Fragrances Food and Beverages Personal Care |
| format | 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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