630-02-4
Octacosane
CAS: 630-02-4
Molecular Formula: C28H58
630-02-4 - Names and Identifiers
| Name | Octacosane |
| Synonyms | OCTACOSANE Octacosane ALKANE C28 n-Octcosane n-Octacosane n-octocosane N-OCTACOSANE OCTACOSANE, STANDARD FOR GC |
| CAS | 630-02-4 |
| EINECS | 211-125-7 |
| InChI | InChI=1/C28H58/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-28H2,1-2H3 |
| InChIKey | ZYURHZPYMFLWSH-UHFFFAOYSA-N |
630-02-4 - Physico-chemical Properties
| Molecular Formula | C28H58 |
| Molar Mass | 394.76 |
| Density | 0.8067 |
| Melting Point | 57-62°C(lit.) |
| Boling Point | 278°C15mm Hg(lit.) |
| Flash Point | 227 °C |
| Water Solubility | Soluble in chloroform, acetone, benzene, and toluene. Insoluble in water. |
| Vapor Presure | <1 mm Hg ( 20 °C) |
| Vapor Density | 13.6 (vs air) |
| Appearance | Shiny Flakes or Powder |
| Color | White |
| BRN | 1770570 |
| Storage Condition | room temp |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.4330 |
630-02-4 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29011090 |
630-02-4 - Reference Information
| introduction | n-alkanes, as one of the key components of diesel oil, low temperature improvement and environment-friendly liquid fuel compositions, have been widely used. at the same time, n-alkane monomers also play an extremely important role in the analysis fields of geology, crude oil, atmospheric particulate matter and organic matter. Decaposane can be used as one of the key components of diesel oil, low temperature improvement and environmentally friendly liquid fuel composition, and is widely used in chemical industry and life. |
| application | dicaposane can be used as one of the key components of diesel oil, low temperature improvement and environmentally friendly liquid fuel compositions. |
| preparation | a preparation method of octane, the steps of which are as follows:(1) 2773g(10mol) of brominated n-octane is taken for later use;(2) Weighing 241.5g(10.5mol) of metallic sodium and cutting it into small thin strips with an area of about 1 × 3 cm2, standby;(3) Put 50g of bromine n-decane and 20g of metal sodium into the reaction kettle, stir and raise the temperature to 80 ℃, remove the heat source, rely on reaction heating, and maintain it at 120 ℃, continuously add the remaining brominated n-decane dropwise, and add metal sodium, maintain micro-reflux, complete the feeding, control the temperature at 160 ℃, constant temperature for 2 hours;(4) Add 400 grams of 95% ethanol in turn for reaction, add 1000ml of water, separate out organic matter, wash with water to neutral, dry with anhydrous magnesium sulfate, distill and collect the fraction before 140 ℃/1mmHg, wash the remaining fraction with concentrated sulfuric acid to light yellow, wash with water to neutral, after drying, repeatedly purify the obtained with benzene three times, and drain to obtain white crystal dicarane as 1.38Kg,mp60-62 ℃. The molar ratio of the metal sodium of the brominated n-tabutane is 1: 1.01. |
| use | used for environmental analysis gas chromatography detection gas chromatography analysis standard. Stationary liquid for gas chromatography. |
| NIST chemical information | The information is: webbook.nist.gov provides (external link) |
| EPA chemical information | The information is: ofmpub.epa.gov provides (external link) |
| toxic substance data | The information is: pubchem.ncbi.nlm.nih.gov Provide (external link) |
Last Update：2024-04-09 15:16:35
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