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
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: O652-500G.
| 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.) |
| 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 |