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22802-37-5

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22802-37-5 Usage

General Description

4-BROMO-2,3-DIMETHYLPHENOL is a chemical compound with the molecular formula C8H9BrO. It is a phenol derivative with a bromine atom and two methyl groups attached to the phenol ring. 4-BROMO-2,3-DIMETHYLPHENOL has various applications in the chemical and pharmaceutical industries, including its use as a precursor in the synthesis of other organic compounds. It is also utilized as an antiseptic and disinfectant due to its antimicrobial properties. Additionally, 4-BROMO-2,3-DIMETHYLPHENOL is used in the production of fragrances and as an intermediate in the manufacture of pesticides and dyes. However, it is essential to handle this chemical with care due to its potential hazards and toxic effects.

Check Digit Verification of cas no

The CAS Registry Mumber 22802-37-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,0 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22802-37:
(7*2)+(6*2)+(5*8)+(4*0)+(3*2)+(2*3)+(1*7)=85
85 % 10 = 5
So 22802-37-5 is a valid CAS Registry Number.

22802-37-5SDS

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 4-Bromo-2,3-dimethylphenol

1.2 Other means of identification

Product number -
Other names Phenol,4-bromo-2,3-dimethyl

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:22802-37-5 SDS

22802-37-5Relevant articles and documents

Catalytic Activation of Unstrained C(Aryl)-C(Alkyl) Bonds in 2,2′-Methylenediphenols

Dong, Guangbin,Ratchford, Benjamin L.,Xue, Yibin,Zhang, Rui,Zhu, Jun

, p. 3242 - 3249 (2022/02/23)

Catalytic activation of unstrained and nonpolar C-C bonds remains a largely unmet challenge. Here, we describe our detailed efforts in developing a rhodium-catalyzed hydrogenolysis of unstrained C(aryl)-C(alkyl) bonds in 2,2′-methylenediphenols aided by removable directing groups. Good yields of the monophenol products are obtained with tolerating a wide range of functional groups. In addition, the reaction is scalable, and the catalyst loading can be reduced to as low as 0.5 mol %. Moreover, this method proves to be effective to cleave C(aryl)-C(alkyl) linkages in both models of phenolic resins and commercial novolacs resins. Finally, detailed experimental and computational mechanistic studies show that with C-H activation being a competitive but reversible off-cycle reaction, this transformation goes through a directed C(aryl)-C(alkyl) oxidative addition pathway.

o-xylylene bis(triethyl ammonium tribromide) as a mild and recyclable reagent for rapid and regioselective bromination of anilines and phenols

Hemati, Roya,Shahvelayati, Ashraf S.,Yadollahzadeh, Khadijeh

, p. 682 - 687 (2018/07/14)

Background: o-Xylylene bis(triethyl ammonium tribromide) (OXBTEATB) as a recyclable and high bromine containing di-(tribromide) reagent has been employed for the bromination of various organic substrates such as phenol and aniline or its derivatives. This catalyst can be recovered and reused several times. Methods: Aryl bromides shown in Table 1, were easily produced from bromination of aromatic compounds by OXBTEATB. This high-yield process lets the reagents to be recycled and reused. Results: As shown in Table 1, substituted anilines, phenols and β-naphthol were found to be the most reactive and immediately converted to the corresponding mono-brominated products by OXBTEATB. Conclusion: OXBTEATB can be considered a solidified bromine. This novel reagent has variable solubility in different polar protic and aprotic solvents but insoluble in non-polar aprotic solvent. Subsequently, OXBTEATB can be recognized as a more useful brominating and regioselective catalyst than the liquid bromine.

Synthesis and antioxidant activity of 5-hydroxycoumarans,c 6-hydroxychromanes and sulfur-containing derivatives on their base

Yagunov,Khol'shin,Kandalintseva,Prosenko

, p. 1395 - 1400 (2014/05/06)

A synthesis of 5-hydroxycoumarans, 6-hydroxychromanes and their dodecylthiomethyl- substituted derivatives was accomplished based on methylphenols through the intermediate preparation of 2-allyl-4-alkoxyphenols. The sulfur-containing compounds synthesized

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