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Cas Database |
| Name |
Eicosane |
EINECS | 204-018-1 |
| CAS No. | 112-95-8 | Density | 0.787 g/cm3 |
| PSA | 0.00000 | LogP | 8.04800 |
| Solubility | Soluble in ether, petroleum ether and benzene. Slightly soluble in acetone and chloroform. Insoluble in water. | Melting Point |
35-37 °C(lit.) |
| Formula | C20H42 | Boiling Point | 343.4 °C at 760 mmHg |
| Molecular Weight | 282.553 | Flash Point | 186.5 °C |
| Transport Information | N/A | Appearance | Colourless crystals or wax-like solid |
| Safety | 24/25-36/37-26 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Eicosane-4-C12;NSC 62789;n-Eicosane; |
Article Data | 61 |
Eicosane Synthetic route
| Conditions | Yield |
|---|---|
| With hydrogen; TMSB; palladium In ethanol at 20℃; under 760 Torr; for 16h; | 98% |
| Conditions | Yield |
|---|---|
| With tetrabutylammonium tetrafluoroborate In N,N-dimethyl-formamide Electrochemical reaction; Inert atmosphere; | A 1% B 97% |
| With sodium polystyrylanthracene Product distribution; | A 25% B 4% |
| Conditions | Yield |
|---|---|
| With pyridine; manganese; trifluoroacetic acid; cobalt(II) bromide In acetonitrile at 50℃; | 87% |
- 17049-50-2
n-decyl magnesium bromide
- 13134-23-1
benzophenone N-methyl-N,N-pentane-1,5-diylhydrazonium iodide
A
- 626-67-5
N-methylcyclohexylamine
B
- 1013-88-3
Benzophenone imine
C
- 124-18-5
decane
D
- 112-95-8
icosane
E
- 872-05-9
1-Decene
| Conditions | Yield |
|---|---|
| In diethyl ether Product distribution; Mechanism; Heating; other quaternary hydrazonium salts, other alkylmagnesium halides; | A 85% B 84% C 51% D 21% E 25% |
| Conditions | Yield |
|---|---|
| With cesium hydroxide; tris(dibenzylideneacetone)dipalladium (0); tricyclohexylphosphine In 1,4-dioxane at 90℃; for 48h; Suzuki cross-coupling; | 83% |
- 30089-00-0
9-octyl-9-bora-bicyclo[3.3.1]nonane
- 10157-76-3
dodecyl 4-methylbenzenesulphonate
- 112-95-8
icosane
| Conditions | Yield |
|---|---|
| With palladium diacetate; sodium hydroxide; di-tert-butyl(methyl)phosphonium tetrafluoroborate salt In 1,4-dioxane at 50℃; Product distribution; Further Variations:; Reagents; Temperatures; reaction times; Suzuki cross-coupling; | 82% |
| With copper(l) iodide; lithium tert-butoxide In N,N-dimethyl-formamide at 80℃; for 24h; Suzuki-Miyauri coupling; Inert atmosphere; | 64% |
| Conditions | Yield |
|---|---|
| Stage #1: 1-bromo dodecane With magnesium In tetrahydrofuran Grignard Reaction; Inert atmosphere; Reflux; Stage #2: With dilithium tetrachlorocuprate(II); oxygen In tetrahydrofuran at 20℃; for 2h; | A 60% B 36% |
| Conditions | Yield |
|---|---|
| With palladium diacetate; sodium hydroxide; methyldi-t-butylphosphine In 1,4-dioxane at 50℃; Suzuki cross-coupling; | 51% |
- 24767-82-6
1-heptyl 4-methylbenzenesulfonate
- 677-22-5
tert-butylmagnesium chloride
A
- 124-18-5
decane
B
- 112-95-8
icosane
C
- 17302-14-6
2,2-dimethylnonane
| Conditions | Yield |
|---|---|
| With CuBr*Me2S-LiBr; lithium thiophenoxide In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at 67℃; for 24h; further reagents; | A n/a B n/a C 50% |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; sodium peroxide; magnesium 1.) 22 deg C, 30 min, diethyl ether; Multistep reaction; | A n/a B 25% |
| With hydrogenchloride; sodium peroxide; magnesium 1.) 22 deg C, 30 min, diethyl ether; Yield given. Multistep reaction; |
Eicosane Chemical Properties
IUPAC Name: Icosane
Synonyms: Eicosan ; Didecyl ; LFA ; Lipid fragment
Product Categories: Analytical Chemistry;n-Paraffins (GC Standard);Standard Materials for GC;Alpha Sort;EA - EO;E-LAlphabetic;Volatiles/ Semivolatiles;Acyclic;Alkanes;Organic Building Blocks;EA - EOChemical Class;Alphabetic;E;Hydrocarbons;Neats
CAS NO: 112-95-8
Molecular Formula of N-Eicosane (CAS NO.112-95-8) : C20H42
Molecular Weight of N-Eicosane (CAS NO.112-95-8) :282.55
Molecular Structure of N-Eicosane (CAS NO.112-95-8) : 
EINECS: 204-018-1
Index of Refraction: 1.44
Surface Tension: 28.3 dyne/cm
Density: 0.787 g/cm3
Flash Point: 186.5 °C
Enthalpy of Vaporization: 56.4 kJ/mol
Boiling Point: 343.4 °C at 760 mmHg
Vapour Pressure: 0.00014 mmHg at 25°C
Melting point: 35-37 °C(lit.)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Appearance:Colorless crystals or white crystalline solid.
Air & Water Reactions :Insoluble in water.
Eicosane Uses
For special surfactants and the preparation of certain organic chemicals, also used for chromatographic analysis reference material. Gas chromatography stationary phase
Eicosane Safety Profile
Hazard Codes 
Xi
Risk Statements 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 24/25-36/37-26
S24/25:Avoid contact with skin and eyes.
S36/37:Wear suitable protective clothing and gloves.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany 3
Eicosane Specification
1.Reactivity Profile: Saturated aliphatic hydrocarbons, such as N-EICOSANE, may be incompatible with strong oxidizing agents like nitric acid. Charring of the hydrocarbon may occur followed by ignition of unreacted hydrocarbon and other nearby combustibles. In other settings, aliphatic saturated hydrocarbons are mostly unreactive. They are not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, they burn exothermically to produce carbon dioxide and water.
2.Fire Hazard : N-Eicosane is combustible.
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