O652

Octadecane

99%

• Synonym(s): C18-n-Alkane, n-Octadecane
• Linear Formula: CH₃(CH₂)₁₆CH₃
• CAS Number: 593-45-3
• Molecular Weight: 254.49
• Beilstein: 1740138
• EC Number: 209-790-3
• MDL number: MFCD00009007
• UNSPSC Code: 12352100
• PubChem Substance ID: 24898037
• NACRES: NA.22

Properties

• vapor density: 8.8 (vs air)
• Quality Level: 100
• vapor pressure: 1 mmHg ( 119 °C)
• Assay: 99%
• form: solid or liquid (Conforms to requirements)
• autoignition temp.: 455 °F
• bp: 317 °C (lit.)
• mp: 26-29 °C (lit.)
• density: 0.777 g/mL at 25 °C (lit.)
• SMILES string: CCCCCCCCCCCCCCCCCC
• InChI: 1S/C18H38/c1-3-5-7-9-11-13-15-17-18-16-14-12-10-8-6-4-2/h3-18H2,1-2H3
• InChI key: RZJRJXONCZWCBN-UHFFFAOYSA-N

Description

Application

n-Octadecane is generally used in developing microencapsulated phase-change materials.
It can also be used as a reactant to synthesize:

• N-octadecylsulfonyl)-alanine sodium salt
• 1-octadecanesulfonyl chloride
• 2-octadecanone

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H304
• Precautionary Statements: P301 + P310 - P331 - P405 - P501
• Hazard Classifications: Asp. Tox. 1
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 330.8 °F - closed cup
• Flash Point(C): 166 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves