U407

Undecane

≥99%

• Synonym(s): n-Undecane, Hendecane
• Linear Formula: CH₃(CH₂)₉CH₃
• CAS Number: 1120-21-4
• Molecular Weight: 156.31
• Beilstein: 1697099
• EC Number: 214-300-6
• MDL number: MFCD00008959
• UNSPSC Code: 12352100
• PubChem Substance ID: 24900644
• NACRES: NA.22

Properties

• vapor density: 5.4 (vs air)
• Quality Level: 100
• vapor pressure: <0.4 mmHg ( 20 °C)
• Assay: ≥99%
• refractive index: n20/D 1.417 (lit.)
• bp: 196 °C (lit.)
• mp: −26 °C (lit.)
• density: 0.74 g/mL at 25 °C (lit.)
• SMILES string: CCCCCCCCCCC
• InChI: 1S/C11H24/c1-3-5-7-9-11-10-8-6-4-2/h3-11H2,1-2H3
• InChI key: RSJKGSCJYJTIGS-UHFFFAOYSA-N

Description

Application

Undecane is mainly used as a model n-alkane in studies relating to viscosities, excess molar enthalpies and vapor-liquid equilibrium of binary alkane mixtures.

Safety Information

• Pictograms: GHS02,GHS08
• Signal Word: Danger
• Hazard Statements: H226,H304
• Precautionary Statements: P210 - P233 - P240 - P241 - P301 + P310 - P331
• Hazard Classifications: Asp. Tox. 1 - Flam. Liq. 3
• Supplementary Hazards: EUH066
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 140.0 °F - closed cup
• Flash Point(C): 60 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves