Carbamic acid,N,N'-(methylenedi-4,1-phenylene)bis-, C,C'-dimethyl ester

Base Information

• Chemical Name: Carbamic acid,N,N'-(methylenedi-4,1-phenylene)bis-, C,C'-dimethyl ester
• CAS No.: 7450-63-7
• Molecular Formula: C17H18 N2 O4
• Molecular Weight: 314.341
• Mol file: 7450-63-7.mol

Synonyms:Carbamicacid, (methylenedi-4,1-phenylene)bis-, dimethyl ester (9CI); Carbanilic acid,4,4'-methylenedi-, dimethyl ester (6CI,7CI,8CI);(Methylenedi-4,1-phenylene)bis[carbamic acid] dimethyl ester;4,4'-Bis(carbomethoxyamino)diphenylmethane; 4,4'-Methylenebis(phenylcarbamicacid methyl ester); Dimethyl 4,4'-methylenebis(phenylcarbamate); Dimethyl4,4'-methylenediphenylenedicarbamate; Dimethyldiphenylmethane-4,4'-dicarbamate; Diphenylmethane-4,4'-di(methylurethane); NSC215914

Chemical Property of Carbamic acid,N,N'-(methylenedi-4,1-phenylene)bis-, C,C'-dimethyl ester

Chemical Property:

• Vapor Pressure: 2.2E-06mmHg at 25°C
• Melting Point: 178.5-179.5 °C
• Boiling Point: 393°C at 760 mmHg
• PKA: 13.48±0.70(Predicted)
• Flash Point: 191.5°C
• PSA: 76.66000
• Density: 1.268g/cm³
• LogP: 3.78000
• Storage Temp.: 2-8°C

Purity/Quality:

99%, ^*data from raw suppliers

Dimethyl(methylenebis(4,1-phenylene))dicarbamate 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Carbamic acid,N,N'-(methylenedi-4,1-phenylene)bis-, C,C'-dimethyl ester

There total 19 articles about Carbamic acid,N,N'-(methylenedi-4,1-phenylene)bis-, C,C'-dimethyl ester 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: 100.0%

methanol (67-56-1) + di(4-isocyanatophenyl)methane (101-68-8,25686-28-6,97568-33-7) → dimethyl 4,4'-methylenebis(1,4-phenylene)diurethane (7450-63-7)

Guidance literature:

for 4h; Heating;

Reference yield: 99.0%

methanol (67-56-1) + carbon monoxide (201230-82-2) + 4,4'-diamino diphenyl methane (101-77-9) → dimethyl 4,4'-methylenebis(1,4-phenylene)diurethane (7450-63-7)

Guidance literature:

With palladium on ceria; oxygen; sodium iodide; at 135 ℃; for 10h; under 7500.75 Torr; Time;

Reference yield: 98.0%

4,4'-diamino diphenyl methane (101-77-9) + carbonic acid dimethyl ester (616-38-6) → dimethyl 4,4'-methylenebis(1,4-phenylene)diurethane (7450-63-7)

Guidance literature:

zinc(II) acetate dihydrate; at 180 ℃; for 2.66667h; under 6000.6 Torr; Product distribution / selectivity; Autoclave; Inert atmosphere;

upstream raw materials:

methanol

di(4-isocyanatophenyl)methane

formaldehyd

N-phenyl methyl carbamate

Downstream raw materials:

di(4-isocyanatophenyl)methane

[4-(4-Isocyanato-benzyl)-phenyl]-carbamic acid methyl ester

4,4'-bis(octylureido)diphenylmethane

Refernces

• 1、 -. "The method for preparing dicarbamate compounds from diamines and the catalyst thereof". Paragraph 0083-0085. . Retrieved 2022/01/12.
• 2、 Chen, Ming-Yu,Choe, Yoong-Kee,Choi, Jun-Chul,Fukaya, Norihisa,Hamura, Satoshi,Koizumi, Hiroki,Matsumoto, Kazuhiro,Matsumoto, Seiji,Shigeyasu, Shinji,Takeuchi, Katsuhiko,Yuan, Hao-Yu. "N-Aryl and N-Alkyl Carbamates from 1 Atmosphere of CO2". supporting information. p. 18066 - 18073. Retrieved 2021/12/08.