506-30-9
Eicosanoic acid
CAS: 506-30-9
Molecular Formula: C20H40O2
506-30-9 - Names and Identifiers
| Name | Eicosanoic acid |
| Synonyms | ARACHIC ACID Eicosansαure ARACHIDIC ACID Arachidic acid n-Eicosansαure icosanoic acid EICOSANOIC ACID Eicosanoic acid ARACHIDINIC ACID |
| CAS | 506-30-9 |
| EINECS | 208-031-3 |
| InChI | InChI=1/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22) |
| InChIKey | VKOBVWXKNCXXDE-UHFFFAOYSA-N |
506-30-9 - Physico-chemical Properties
| Molecular Formula | C20H40O2 |
| Molar Mass | 312.53 |
| Density | d4100 0.8240 |
| Melting Point | 74-76°C(lit.) |
| Boling Point | 328 °C |
| Flash Point | 110°C |
| Water Solubility | practically insoluble |
| Solubility | Soluble in chloroform, ether, ethanol (~0.1 mg/ml), and DMF (~2 mg/ml). Insoluble in wa |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Glossy white flake crystals |
| Color | White |
| Merck | 14,764 |
| BRN | 1788211 |
| pKa | 4.78±0.10(Predicted) |
| Storage Condition | -20°C |
| Refractive Index | nD100 1.4250 |
| MDL | MFCD00002755 |
| Use | For the preparation of washing powder, photographic materials, lubricating oil, etc |
506-30-9 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | - |
| RTECS | JX3780000 |
| TSCA | Yes |
| HS Code | 29159000 |
| Hazard Class | IRRITANT |
506-30-9 - Reference
| Reference Show more | 1. [IF=3.125] Pengfei Liu et al."Effect of five saturated fatty acids on the properties of sweet-potato-starch-based films."J Appl Polym Sci. 2015 Feb;132(5): |
506-30-9 - Introduction
Soluble in benzene, ether, chloroform and hot anhydrous ethanol, slightly soluble in cold ethanol, almost insoluble in water.
Last Update：2022-10-16 17:25:38
506-30-9 - Reference Information
| LogP | 1.571 at 33℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| properties | shiny white flake crystal. Melting point 77 ℃, boiling point 203~205 ℃( 1 mmHg), relative density 0.8240(100/4 ℃), soluble in benzene, chloroform and hot anhydrous ethanol. Eicosic acid is present in some oils and fats with a content of about 1% or less. Peanut oil contains 2.4% eicosic acid. |
| preparation method | arachidic acid can not only be separated from peanut oil by hydrolysis, but also can be separated from fatty acid mixture generated by paraffin oxidation. |
| Biological activity | Arachidonic acid (Icosanoic acid) is a long-chain fatty acid that exists in all mammalian cells and is usually esterified into membrane phospholipids. It is the most abundant in human tissues One of the polyunsaturated fatty acids. |
| Use | Eicosanic acid, also known as arachidic acid, is a linear saturated fatty acid with 20 carbons. It is a component of peanut oil (1.1%-1.7%) and corn oil (3%). Its name is derived from the Latin peanut. Arachidic acid is used to produce detergents, photosensitive materials and lubricants. Used to make washing powder, photographic materials, lubricating oil, etc. |
Last Update：2024-04-09 20:49:11
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