Octadecane
ALDRICH/O652 - 99%
Synonym: C18-n-Alkane; n-Octadecane
CAS Number: 593-45-3
Empirical Formula (Hill Notation): C18H38
Molecular Weight: 254.49
EC Number: 209-790-3
MDL Number: MFCD00009007
Linear Formula: CH3(CH2)16CH3
Product Type: Chemical
| assay | 99% |
| autoignition temp. | 455 °F |
| bp | 317 °C (lit.) |
| density | 0.777 g/mL at 25 °C (lit.) |
| form | solid or liquid (Conforms to requirements) |
| InChI | 1S/C18H38/c1-3-5-7-9-11-1 |
| InChI key | RZJRJXONCZWCBN-UHFFFAOYSA |
| mp | 26-29 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | CCCCCCCCCCCCCCCCCC |
| vapor density | 8.8 (vs air) |
| vapor pressure | 1 mmHg ( 119 °C) |
| Application: | n-Octadecane is generally used in developing microencapsulated phase-change materials. It can also be used as a reactant to synthesize: • N-octadecylsulfonyl)-alani • 1-octadecanesulfonyl chloride • 2-octadecanone |
| Packaging: | 25, 100, 500 g in glass bottle |
| Symbol | GHS08 |
| Signal word | Danger |
| Hazard statements | H304 |
| Precautionary statements | P301 + P310 - P331 - P405 - P501 |
| Hazard Codes | Xn |
| Risk Statements | 65-66 |
| Safety Statements | 23-24-62 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | 330.8 °F - closed cup |
| Flash Point(C) | 166 °C - closed cup |
| Purity | 99% |
| bp | 317 °C (lit.) |
| mp | 26-29 °C (lit.) |
| Density | 0.777 g/mL at 25 °C (lit.) |
| UNSPSC | 12352100 |


