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3,5,7,9-tetraoxaundecane, also known as diethylene glycol diacrylate (DEGDA), is a colorless, viscous liquid with the chemical formula C9H14O5. It is a difunctional monomer used in the production of various polymers, such as polyurethanes, acrylics, and polyesters. DEGDA is formed by the reaction of diethylene glycol with acrylic acid, resulting in a molecule containing two acrylate functional groups. 3,5,7,9-tetraoxaundecane is widely used in the manufacturing of adhesives, sealants, and coatings due to its ability to cross-link with other polymers, providing enhanced mechanical properties and durability. It is also known for its low viscosity, which allows for easy processing and application in various industrial applications. However, due to its potential health risks, including skin and eye irritation, as well as its classification as a reproductive toxin, proper safety measures should be taken when handling DEGDA.

4431-82-7

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4431-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4431-82-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4431-82:
(6*4)+(5*4)+(4*3)+(3*1)+(2*8)+(1*2)=77
77 % 10 = 7
So 4431-82-7 is a valid CAS Registry Number.

4431-82-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name ethoxymethoxymethoxymethoxyethane

1.2 Other means of identification

Product number -
Other names 3,5,7,9-Tetraoxaundecane

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:4431-82-7 SDS

4431-82-7Downstream Products

4431-82-7Relevant academic research and scientific papers

AQUEOUS COMPOSITION BASED ON POLYOXYMETHYLENE DIALKYL ETHERS (POM) AND THEIR USE FOR THE PRESERVATION AND/OR EMBALMING OF THE HUMAN OR ANIMAL BODY

-

Paragraph 0064-0065, (2020/11/24)

The invention relates to a composition comprising: a) a mixture of polyoxymethylene dialkyl ethers (POM) having a restricted specific molecular distributionb) at least one biocidal agentc) at least one pro-penetrating agentd) at least one dyee) optionally, another additiveand water as diluent. It also relates to a non-therapeutic method of preserving and/or embalming a dead human or animal body using the composition, such as the use of this composition for anatomopathological purposes.

Br?nsted-acidic ionic liquids as efficient catalysts for the synthesis of polyoxymethylene dialkyl ethers

Song, Heyuan,Kang, Meirong,Jin, Fuxiang,Wang, Guoqin,Li, Zhen,Chen, Jing

, p. 853 - 861 (2017/05/24)

Acetalation of formaldehyde (HCHO) with dialkyl formal or aliphatic alcohol to prepare polyoxymethylene dialkyl ethers (RO(CH2O)nR, n ≥ 1) catalyzed by Br?nsted-acidic ionic liquids has been developed. The correlation between the structure and acidity activity of various ionic liquids was studied. Among the ionic liquids investigated, 1-(4-sulfonic acid)butyl-3-methylimidazolium hydrogen sulfate ([MIMBs]HSO4) exhibited the best catalytic performance in the reaction of diethoxymethane (DEM1) with trioxane. The influences of ionic liquid loading, molar ratio of DEM1 to HCHO, reaction temperature, pressure, time, and reactant source on the catalytic reaction were explored using [MIMBs]HSO4 as the catalyst. Under the optimal conditions of n([MIMBs]HSO4):n(DEM1):n(HCHO) = 1:80:80, 140 °C, and 4 h, the conversion of HCHO and selectivity for DEM2–8 were 92.6% and 95.1%, respectively. The [MIMBs]HSO4 catalyst could be easily separated and reused. A feasible mechanism for the catalytic performance of [MIMBs]HSO4 was proposed.

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