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22651-87-2

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22651-87-2 Usage

Description

Cyclohexanecarboxylic anhydride, also known as hexahydrophthalic anhydride, is a cyclic anhydride of cyclohexanecarboxylic acid. It is a colorless to light yellow liquid with a pungent odor and is recognized for its versatile applications across various industries.

Uses

Used in Chemical Production:
Cyclohexanecarboxylic anhydride is used as a key intermediate for the production of various chemicals, including agricultural chemicals and pharmaceuticals, due to its reactive nature and ability to form stable derivatives.
Used in Epoxy Resin Industry:
Cyclohexanecarboxylic anhydride is used as a curing agent for epoxy resins, enhancing their hardness and thermal stability, which is crucial for applications in coatings, adhesives, and composite materials.
Used in Plasticizer Industry:
It serves as a raw material in the production of plasticizers, which are additives that increase the flexibility and workability of plastics, making them suitable for a wide range of applications in the manufacturing of consumer goods and industrial products.
Used in Alkyd Resin Industry:
Cyclohexanecarboxylic anhydride is used as a component in alkyd resins, contributing to their properties such as adhesion, gloss, and chemical resistance, which are essential for use in paints and surface coatings.
Used in Manufacturing of Curing Agents:
As a hardener in the production of curing agents for epoxy resins, cyclohexanecarboxylic anhydride plays a critical role in the final properties of the cured epoxy systems, ensuring their performance in demanding environments.
It is important to handle cyclohexanecarboxylic anhydride with care due to its potential irritant and harmful effects on human health and the environment, highlighting the need for proper safety measures during its use and production.

Check Digit Verification of cas no

The CAS Registry Mumber 22651-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,5 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22651-87:
(7*2)+(6*2)+(5*6)+(4*5)+(3*1)+(2*8)+(1*7)=102
102 % 10 = 2
So 22651-87-2 is a valid CAS Registry Number.
InChI:InChI=1/C14H22O3/c15-13(11-7-3-1-4-8-11)17-14(16)12-9-5-2-6-10-12/h11-12H,1-10H2

22651-87-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name cyclohexanecarbonyl cyclohexanecarboxylate

1.2 Other means of identification

Product number -
Other names Cyclohexanecarboxylic acid anhydride

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:22651-87-2 SDS

22651-87-2Relevant articles and documents

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Bartlett,Rylander

, p. 4275,4278 (1951)

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PPh3/Selectfluor-Mediated Transformation of Carboxylic Acids into Acid Anhydrides and Acyl Fluorides and Its Application in Amide and Ester Synthesis

Yang, Zhen,Chen, Siwei,Yang, Fang,Zhang, Chenxi,Dou, You,Zhou, Qiuju,Yan, Yizhe,Tang, Lin

, p. 5998 - 6002 (2019/08/21)

By taking the advantage of PPh3/Selectfluor system, carboxylic acids are efficiently converted into the pivotal intermediates acyloxyphosphonium ions that can selectively react with a second carboxylic acid or fluoride to in situ yield the corresponding acid anhydrides or acyl fluorides. The developed protocol features commercially availabile reagents, no involvement of base, room temperature conditions, and simple experimental procedure. Additionally, various amides or esters are readily achieved, respectively, with the addition of amines or alcohols.

Nickel-Catalyzed Decarboxylative Alkenylation of Anhydrides with Vinyl Triflates or Halides

Chen, Hui,Sun, Shuhao,Liao, Xuebin

, p. 3625 - 3630 (2019/05/24)

Decarboxylative cross-coupling of aliphatic acid anhydrides with vinyl triflates or halides was accomplished via nickel catalysis. This methodology works well with a broad array of substrates and features abundant functional group tolerance. Notably, our approach addresses the issue of safe and environmental installation of methyl or ethyl group into molecular scaffolds. The method possesses high chemoselectivity toward alkyl groups when aliphatic/aromatic mixed anhydrides are involved. Furthermore, diverse ketones could be modified with our strategy.

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