U407

Undecane

≥99%

• Synonym(s): n-Undecane, Hendecane
• Linear Formula: CH₃(CH₂)₉CH₃
• CAS Number: 1120-21-4
• Molecular Weight: 156.31
• Beilstein/REAXYS Number: 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
• signalword: Danger
• hcodes: H226,H304
• pcodes: P210 - P233 - P240 - P241 - P301 + P310 - P331
• Hazard Classifications: Asp. Tox. 1 - Flam. Liq. 3
• supp_hazards: EUH066
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 140.0 °F - closed cup
• flash_point_c: 60 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter