| Name | n-Undecane |
| Synonyms | UNDECANE n-C11H24 HENDECANE ALKANE C11 n-Undecane N-HENDECANE undecanenormal hendecane(undecane) Undecane [Standard Material] |
| CAS | 1120-21-4 |
| EINECS | 214-300-6 |
| InChI | InChI=1/C11H24/c1-3-5-7-9-11-10-8-6-4-2/h3-11H2,1-2H3 |
| InChIKey | RSJKGSCJYJTIGS-UHFFFAOYSA-N |
| Molecular Formula | C11H24 |
| Molar Mass | 156.31 |
| Density | 0.743g/cm3 |
| Melting Point | -26℃ |
| Boling Point | 196.3°C at 760 mmHg |
| Flash Point | 60°C |
| Water Solubility | IMMISCIBLE |
| Vapor Presure | 0.564mmHg at 25°C |
| Vapor Density | 5.4 (vs air) |
| Appearance | Form Liquid, color Colorless |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.418 |
| MDL | MFCD00008959 |
| Physical and Chemical Properties | Density 0.74 melting point -26°C boiling point 196°C refractive index 1.416-1.418 flash point 60°C water-soluble IMMISCIBLE |
| Use | For the production of 11 carbon dibasic acid, high-grade electronic cleaning liquid, chlorinated paraffin, environmental protection dry cleaning agent |
| Hazard Symbols | Xn - Harmful![]() |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R65 - Harmful: May cause lung damage if swallowed R66 - Repeated exposure may cause skin dryness or cracking |
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 2330 |
| WGK Germany | 3 |
| RTECS | YQ1525000 |
| TSCA | Yes |
| HS Code | 29011090 |
| Hazard Class | 3 |
| Packing Group | III |
| Raw Materials | 8-Heptadecene, (8E)- N-UNDECYLCYCLOHEXANE Cuscohygrine 2-METHYLTETRADECANE 6-UNDECANOL N-PENTADECANE |
| Downstream Products | 2-Pentyl-3-methyl-2-cyclopenten-1-one ETHYL UNDECANOATE N-NONANE |
| Specific gravity | 0.7402 |
| olfactory threshold (Odor Threshold) | 0.62ppm |
| explosion limit (explosive limit) | 0.6-6.5%(V) |
| BRN | 1697099 |
| NIST chemical information | Undecane(1120-21-4) |
| EPA chemical information | Undecane (1120-21-4) |
| auto-ignition temperature | 220 °C |
| toxic substance data | 1120-21-4(Hazardous Substances Data) |
chemical properties
Chemical formula CH3(CH2)9CH3. Molecular weight 156.30. Petroleum components. Colorless liquid. Melting point -25.6 ℃, boiling point 194.5 ℃, 61 ℃(266.64Pa), relative density 0.7411, refractive index 1.4186219.5. Easily soluble in alcohol and ether, insoluble in water. Existed in oil. Uses: Used in organic synthesis and as a standard sample for petroleum analysis.
Use
Used in the production of undecanoic acid, high-end electronic cleaning solution, chlorinated paraffin, environmentally friendly dry cleaning agent, etc.
standard for chromatographic analysis. Petroleum Research. Organic synthesis.