Pentacosane

Base Information

• Chemical Name: Pentacosane
• CAS No.: 629-99-2
• Molecular Formula: C25H52
• Molecular Weight: 352.688
• Hs Code.: 29011000
• European Community (EC) Number: 211-123-6
• NSC Number: 158663
• UNII: BON9H94Y8V
• DSSTox Substance ID: DTXSID2060882
• Nikkaji Number: J1.708F
• Wikidata: Q151007
• Metabolomics Workbench ID: 5277
• Mol file: 629-99-2.mol

Synonyms:n-pentacosane

Chemical Property of Pentacosane

Chemical Property:

• Appearance/Colour: white glistening fluffy flakes
• Vapor Pressure: 2.66E-06mmHg at 25°C
• Melting Point: 53-56 °C(lit.)
• Refractive Index: 1.4380
• Boiling Point: 169-170 °C0.05 mm Hg(lit.)
• Flash Point: >230 °F
• PSA: 0.00000
• Density: 0,778 g/cm3
• LogP: 9.99850
• Storage Temp.: room temp
• Solubility.: soluble in Benzene,Toluene
• XLogP3: 13.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 22
• Exact Mass: 352.406901659
• Heavy Atom Count: 25
• Complexity: 186

Purity/Quality:

98%,99%, ^*data from raw suppliers

Pentacosane >97.0%(GC) ^*data from reagent suppliers

Safty Information:

• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Aliphatics, Saturated (>C11)
• Canonical SMILES: CCCCCCCCCCCCCCCCCCCCCCCCC

Technology Process of Pentacosane

There total 18 articles about Pentacosane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 93.5%

2-Dodecyl-tetradecanenitrile (103682-10-6) → n-pentacosane (629-99-2)

Guidance literature:

With potassium; toluene; perhydrodibenzo-18-crown-6; In toluene; Ambient temperature;

DOI:10.1016/S0040-4039(00)95137-2

Reference yield: 32.0%

9,17-pentacosanedione (31334-46-0) → n-pentacosane (629-99-2)

Guidance literature:

9,17-pentacosanedione; With hydrazine hydrate; acetic acid; In octanol; at 140 - 150 ℃; for 9h;

With sodium octanolate; In octanol; for 24h; Heating;

DOI:10.1021/je0003501

Reference yield:

tallow oil + decalin (91-17-8) → 2-methyl-8-propyl-dodecane (55045-07-3) + 2,6-dimethyl-hexadecane + cis-decahydronaphthalene + trans-decalin + naphthalene (91-20-3,71998-51-1,72931-45-4) + tetralin (119-64-2) + octane (111-65-9) + nonane (111-84-2) + decane (124-18-5) + dodecane (112-40-3) + pentadecane (629-62-9) + icosane (112-95-8) + n-docosane (629-97-0) + n-hexacosane (630-01-3) + methane (34557-54-5,27936-85-2) + n-heptane (142-82-5) + Tridecane (629-50-5) + isotridecane (1560-97-0) + tetradecane (629-59-4) + 3-methyl-tridecane (6418-41-3) + 2-methyltridecane (1560-96-9) + 3-methyltetradecane (18435-22-8) + isopentadecane (1560-95-8) + 3-methylpentadecane (2882-96-4) + Hexadecane (544-76-3) + hepatdecane (629-78-7) + 3-methylhexadecane (6418-43-5) + 2-methyl-hexadecane (1560-92-5) + octadecane (593-45-3) + n-nonadecane (629-92-5) + 2-methyl-eicosane (1560-84-5) + n-tricosane (638-67-5) + tetracosane (646-31-1) + n-pentacosane (629-99-2) + norpristane (3892-00-0)

Guidance literature:

With Dimethyldisulphide; hydrogen; cobalt-molybdenum on alumina; at 363 ℃; for 120h; under 23252.3 Torr; Product distribution / selectivity;

upstream raw materials:

n-pentacos-9-one

13-pentacosanone

pentacosane-2,6-dione disemicarbazone

2-Dodecyl-tetradecanenitrile

Refernces

• 1、 Huang, Zheng,Rolfe, Eleanor,Carson, Emily C.,Brookhart, Maurice,Goldman, Alan S,El-Khalafy, Sahar H.,Roy MacArthur, Amy H.. "Efficient heterogeneous dual catalyst systems for alkane metathesis". experimental part. p. 125 - 135. Retrieved 2010/06/20.
• 2、 -. "DEGRADATION OF POLYCYCLIC AROMATIC HYDROCARBONS TO RENDER THEM AVAILABLE FOR BIODEGRADATION". Page/Page column 5-8; 15-16. . Retrieved 2008/12/07.