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Methylene diurethane, a chemical compound derived from the reaction of methylene diphenyl diisocyanate (MDI) with ethylene glycol, is widely utilized in the production of polyurethane coatings, adhesives, and sealants. This liquid compound is known for its exceptional chemical resistance, stability, and adhesion properties, which contribute to the creation of flexible and durable polymers. Its versatility and performance make it a popular choice across various industries, including construction, automotive, and aerospace.

3693-53-6

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3693-53-6 Usage

Uses

Used in Construction Industry:
Methylene diurethane is used as a component in polyurethane coatings for its excellent chemical resistance and stability, providing durable and long-lasting protection for various construction materials.
Used in Automotive Industry:
In the automotive sector, methylene diurethane serves as a key ingredient in the formulation of adhesives and sealants, ensuring strong adhesion and resistance to harsh environmental conditions, thus enhancing the durability and performance of vehicles.
Used in Aerospace Industry:
Methylene diurethane is utilized in the aerospace industry as a component of high-performance coatings and sealants, offering superior chemical resistance and stability to withstand the extreme conditions encountered in aerospace applications.
It is crucial to handle methylene diurethane with care due to its potential health hazards, such as skin and respiratory irritations. Adequate safety measures and the use of protective equipment are essential to minimize the risk of exposure when working with this chemical compound.

Check Digit Verification of cas no

The CAS Registry Mumber 3693-53-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3693-53:
(6*3)+(5*6)+(4*9)+(3*3)+(2*5)+(1*3)=106
106 % 10 = 6
So 3693-53-6 is a valid CAS Registry Number.
InChI:InChI=1/C7H14N2O4/c1-3-12-6(10)8-5-9-7(11)13-4-2/h3-5H2,1-2H3,(H,8,10)(H,9,11)

3693-53-6 Well-known Company Product Price

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  • Alfa Aesar

  • (L00318)  Methylene diurethane, 98+%   

  • 3693-53-6

  • 5g

  • 414.0CNY

  • Detail
  • Alfa Aesar

  • (L00318)  Methylene diurethane, 98+%   

  • 3693-53-6

  • 25g

  • 1598.0CNY

  • Detail

3693-53-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name METHYLENE DIURETHANE

1.2 Other means of identification

Product number -
Other names N,N'-METHYLENEBIS-(ETHYL CARBAMATE)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3693-53-6 SDS

3693-53-6Relevant academic research and scientific papers

A Class of N-O-Type Oxidants to Access High-Valent Palladium Species

Nappi, Manuel,Gaunt, Matthew J.

, p. 143 - 148 (2018/12/11)

This article presents a new class of mild reagents that is capable of oxidizing palladacycle(II) complexes to high-valent palladium species, promoting the formation of C-N bonds in stoichiometric and catalytic conditions. The weak N-O bond and the extremely electron-withdrawing benzenesulfonate group on the oxygen atom of the oxidant are crucial moieties to ensure the desired activity. The oxidation mechanism could involve outer-sphere single-electron transfer processes, opening the possibility for a complementary reactivity of Pd(IV) species.

α-Ureidoalkylation of 1,3-bis(hydroxymethyl)-imidazolidin-2-one

Gazieva,Lozhkin,Kravchenko

, p. 1406 - 1410 (2008/09/19)

The α-ureidoalkylation of imidazolidine-2,4-dione, urea, carboxylic acid amides, and sulfonamides has been studied using 1,3-bis(hydroxymethyl)- imidazolidin-2-one as ureidoalkylating agent. Methods have been developed for the synthesis of 1,3-bis(2,4-dioxoimidazolidin-1-ylmethyl)-, 1,3-bis(acetylaminomethyl)-, 1,3-bis(benzoylaminomethyl)-, 1,3- bis(phenylsulfonylaminomethyl)-, and 1,3-bis(p-toluenesulfonylaminomethyl) imidazolidin-2-ones.

Polymer containing a polyisobutylene-derived backbone

-

, (2008/06/13)

Polymers, such as polysiobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers.

Method of functionalizing polymers

-

, (2008/06/13)

Polymers, such as polyisobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers.

THE ELECTROCHEMICAL REDUCTION OF N-FLUOROETHANS IN ACETONITRILE. THE GENERATION OF CARBETHOXYNITRENE

Lessard, Jean,Berube, Denis

, p. 768 - 777 (2007/10/02)

The electrochemical reduction of N-fluoro-N-methylurethan (1a) and N-fluorourethan (2a) in acetonitrile generates the amide anion and fluoride ion.Both the fluoride and the amide react with the starting N-fluoroamide either as bases or as nucleophiles.Many products are formed and the coulometric results are low (0.5 to 0.7 F/mol).In the case of NFU (2a), abstraction of the proton on nitrogen both by the urethan anion and the fluoride anion generates the conjugate base EtOCOF (7) which immediately undergoes α-elimination of the fluoride ion to give carbethoxynitrene (11).This nitrene was generated also by treating NFU (2a) with a base such as triethylamine of lithium hydride.The α-elimination of F1- from EtOCOF is much easier than α-elimination of Cl1- from EtOCOCl.

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