Laureth-12

Base Information

• Chemical Name: Laureth-12
• CAS No.: 3056-00-6
• Molecular Formula: C36H74 O13
• Molecular Weight: 714.976
• Hs Code.: 2918990090
• DSSTox Substance ID: DTXSID50184647
• Nikkaji Number: J205.363B
• Wikidata: Q83055560
• RXCUI: 1363577
• Mol file: 3056-00-6.mol

Synonyms:Laureth-12;3,6,9,12,15,18,21,24,27,30,33,36-Dodecaoxaoctatetracontan-1-ol;3056-00-6;PEG-12 Lauryl ether;EINECS 221-286-5;DTXSID50184647;LIPOCOL L-12;SCHEMBL8820699;Dodecyl dodeca(oxyethylene) ether;DTXCID90107138;OAH19558U1;C36H74O13;DODECAETHYLENE MONODODECYL ETHER;C36-H74-O13;dodeca-ethylene glycol monododecyl ether;DODECAETHYLENEGLYCOL DODECYL ETHER;2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-dodecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol;ETHANOL, 2-(2-(2-(2-(2-(2-(2-(2-(2-(2-(2-(2-(DODECYLOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)ETHOXY)-

Chemical Property of Laureth-12

Chemical Property:

• Vapor Pressure: 1.04E-22mmHg at 25°C
• Refractive Index: 1.461
• Boiling Point: 700.8 ºC at 760 mmHg
• PKA: 14.36±0.10(Predicted)
• Flash Point: 377.6 ºC
• PSA: 130.99000
• Density: 1.026
• LogP: 4.09880
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 13
• Rotatable Bond Count: 46
• Exact Mass: 714.51294241
• Heavy Atom Count: 49
• Complexity: 563

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO

Technology Process of Laureth-12

There total 8 articles about Laureth-12 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: 59.0%

polidocanol (3055-99-0) + C6H12O6S → laureth-12 (3056-00-6)

Guidance literature:

polidocanol; With sodium hydride; In tetrahydrofuran; mineral oil; for 0.5h; Inert atmosphere;

C₆H₁₂O₆S; In tetrahydrofuran; mineral oil; pH=2; Inert atmosphere;

With sulfuric acid; In tetrahydrofuran; water; mineral oil; at 80 ℃; for 2h; Inert atmosphere;

DOI:10.1021/acs.molpharmaceut.7b00496

Reference yield:

Hexaethylene glycol monododecyl ether (3055-96-7,9015-55-8) → laureth-12 (3056-00-6)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / CH₂Cl₂

2: t-BuOK / 2 h / 70 °C

With potassium tert-butylate; triethylamine; In dichloromethane;

DOI:10.1021/jp971330h

Reference yield:

2,2'-[1,2-ethanediylbis(oxy)]bisethanol (112-27-6) → laureth-12 (3056-00-6)

Guidance literature:

Multi-step reaction with 2 steps

1.1: triethylamine; dmap; thionyl chloride / dichloromethane / 0 - 25 °C

2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere

2.2: pH 2 / Inert atmosphere

2.3: 2 h / 80 °C / Inert atmosphere

With dmap; thionyl chloride; sodium hydride; triethylamine; In tetrahydrofuran; dichloromethane; mineral oil;

DOI:10.1021/acs.molpharmaceut.7b00496

upstream raw materials:

pentaethylene glycol

1-{2-[2-(2-{2-[2-(2-chloro-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-dodecane

Hexaethylene glycol monododecyl ether

polidocanol

Refernces

• 1、 Yu, Zeqiong,Bo, Shaowei,Wang, Huiyuan,Li, Yu,Yang, Zhigang,Huang, Yongzhuo,Jiang, Zhong-Xing. "Application of Monodisperse PEGs in Pharmaceutics: Monodisperse Polidocanols". . p. 3473 - 3479. Retrieved 2017/10/11.