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2,2',4,4'-Tetramethylbenzophenone, also known as TMB, is a white crystalline solid that is commonly used as a UV absorber and photoinitiator in various industrial and consumer applications. It is insoluble in water but soluble in organic solvents, making it suitable for protecting materials such as plastics, polymers, and paints from the damaging effects of UV radiation.

3478-88-4

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3478-88-4 Usage

Uses

Used in Adhesives, Inks, and Coatings Industry:
2,2',4,4'-Tetramethylbenzophenone is used as a UV absorber and photoinitiator for the production of adhesives, inks, and coatings. It helps protect these materials from the harmful effects of UV radiation, ensuring their durability and longevity.
Used in Personal Care Products:
2,2',4,4'-Tetramethylbenzophenone is used as a UV protectant in personal care products such as sunscreens and lotions. It provides protection against UV rays, helping to prevent skin damage and reduce the risk of skin cancer.
Used in Plastics and Polymers Industry:
2,2',4,4'-Tetramethylbenzophenone is used as a UV stabilizer in the plastics and polymers industry. It helps protect these materials from degradation caused by exposure to sunlight, maintaining their structural integrity and appearance.
Overall, 2,2',4,4'-Tetramethylbenzophenone is considered a safe and effective ingredient for use in various applications, offering protection against UV radiation and contributing to the performance and longevity of a wide range of products.

Check Digit Verification of cas no

The CAS Registry Mumber 3478-88-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,7 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3478-88:
(6*3)+(5*4)+(4*7)+(3*8)+(2*8)+(1*8)=114
114 % 10 = 4
So 3478-88-4 is a valid CAS Registry Number.

3478-88-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name bis(2,4-dimethylphenyl)methanone

1.2 Other means of identification

Product number -
Other names Methanone, bis(2,4-dimethylphenyl)-

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:3478-88-4 SDS

3478-88-4Relevant academic research and scientific papers

A palladium-catalyzed C-H functionalization route to ketones: Via the oxidative coupling of arenes with carbon monoxide

Arndtsen, Bruce A.,Kinney, R. Garrison,Levesque, Taleah M.

, p. 3104 - 3109 (2020/03/27)

We describe the development of a new palladium-catalyzed method to generate ketones via the oxidative coupling of two arenes and CO. This transformation is catalyzed by simple palladium salts, and is postulated to proceed via the conversion of arenes into high energy aroyl triflate electrophiles. Exploiting the latter can also allow the synthesis of unsymmetrical ketones from two different arenes.

Ligand-Free Palladium-Catalyzed Oxidative Carbonylative Homocoupling of Arylboron Reagents at Ambient Pressure

Zhao, Hongyuan,Han, Wei

supporting information, p. 4279 - 4283 (2016/09/14)

Arylboronic acids or potassium aryltrifluoroborates were readily oxidatively carbonylated to their corresponding diaryl ketones in high yields with high selectivities by ligand-free palladium-catalyzed homocoupling at atmospheric pressure. This novel method employs molecular oxygen or iodine as the oxidant and offers an attractive alternative to transition-metal-based oxidant systems.

Phosphine ligand triggered oxidative decarbonylative homocoupling of aromatic aldehydes: Selectively generating biaryls and diarylketones

Yang, Luo,Zeng, Tieqiang,Shuai, Qi,Guo, Xiangyu,Li, Chao-Jun

supporting information; experimental part, p. 2161 - 2163 (2011/03/22)

A novel rhodium-catalyzed oxidative decarbonylative homocoupling of aromatic aldehydes to generate biaryls and diarylketones selectively and efficiently, triggered by the choice of different phosphine ligands.

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