Benzoic acid, C12-15-alkyl esters

Base Information

• Chemical Name: Benzoic acid, C12-15-alkyl esters
• CAS No.: 68411-27-8
• Molecular Formula: C₈H₁₂O₄
• Molecular Weight: 172.181
• Mol file: 68411-27-8.mol

Synonyms:C12-15 Alkyl benzoate;Benzoesure, Alkyl(C12-C15)ester;benzoic acid,c12-c15 alkyl esters;Dodecyl/pentadecyl benzoate;Alkyl (C12-15) benzoate [usan];

Chemical Property of Benzoic acid, C12-15-alkyl esters

Chemical Property:

• Vapor Pressure: 0.002Pa at 20℃
• Boiling Point: 383.6 °C at 760 mmHg
• Flash Point: 162 °C
• PSA: 26.30000
• Density: 0.94 g/cm³
• LogP: 5.76430
• Water Solubility.: 2.47-174000μg/L at 20-30℃

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Pharmaceutic aid (vehicle, oleaginous); pharmaceutic aid (emollient) .

Technology Process of Benzoic acid, C12-15-alkyl esters

There total 7 articles about Benzoic acid, C12-15-alkyl esters 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: 98.27%

2-methyllactic acid (594-61-6) → 3,3,6,6-Tetramethyl-1,4-dioxane-2,5-dione (6713-72-0)

Guidance literature:

at 182 ℃; for 10.0667h; under 300.03 Torr;

Reference yield: 51.0%

2,2,5,5-Tetramethyl-1,3-dioxolane-4-one (4560-54-7) → 3,3,6,6-Tetramethyl-1,4-dioxane-2,5-dione (6713-72-0)

Guidance literature:

2,2,5,5-Tetramethyl-1,3-dioxolane-4-one; With methanesulfonic acid; water; at 100 - 110 ℃; for 1.5h; Dean-Stark;

In toluene; for 72h; Reagent/catalyst; Dean-Stark; Reflux;

DOI:10.1246/cl.2013.159

Reference yield:

poly(methacrylic acid) (79-41-4,25087-26-7,50867-57-7) → 3,3,6,6-Tetramethyl-1,4-dioxane-2,5-dione (6713-72-0) + 2-methyllactic acid (594-61-6) + β-methacryloylhydroxyisobutyric acid (73850-50-7) + acetone (67-64-1)

Guidance literature:

With sulfuric acid; at 140 ℃; for 1h; Product distribution;

upstream raw materials:

poly(methacrylic acid)

2-methyllactic acid

2-hydroxyisobutyramide

Methacrylamide

Refernces

• 1、 Watanabe, Kohtaro,Andou, Yoshito,Shirai, Yoshihito,Nishida, Haruo. "A simple synthetic route for the preparation of tetramethylglycolide from lactic acid". supporting information. p. 159 - 161. Retrieved 2013/03/28.
• 2、 Watanabe, Kohtaro,Andou, Yoshito,Shirai, Yosihito,Nishida, Haruo. "Racemization-free monomer: A-hydroxyisobutyric acid from bio-based lactic acid". supporting information; experimental part. p. 698 - 699. Retrieved 2011/01/11.