615-47-4 Usage
Description
1,2,4-Benzenetriamine dihydrochloride, also known as 1,2,4-triaminobenzene dihydrochloride, is an aromatic triamine with a relatively simple structure. It is a purple powder that is easier to synthesize and industrialize compared to other similar compounds. It has the potential to replace certain chemicals like TAP and 2,5-dihydroxyterephthalene in polymerization processes.
Uses
Used in Fluorescent Carbon Dots Production:
1,2,4-Benzenetriamine dihydrochloride is used as a reagent for the creation of multicolor fluorescent carbon dots. These dots can be detected using white-light-emitting diodes and water, making them potentially useful in various applications where fluorescence detection is required.
Used in Fluorescent Carbon Nanomaterials:
In the field of aconitic acid-based fluorescent carbon nanomaterials, 1,2,4-Benzenetriamine dihydrochloride serves as a co-doping reagent. Its use allows for the preparation of materials with a high quantum yield and the ability to control the emission wavelength. This makes it a valuable component in the development of advanced nanomaterials with specific optical properties for various applications, such as sensing, imaging, or lighting.
Synthesis
(1) Using m-dichlorobenzene as raw material, dropwise addition at low temperature and high temperature nitration in a mixed acid system of concentrated sulfuric acid and fuming nitric acid to obtain 1,3-dichloro-4,6-dinitrobenzene; (2) 1 ,3-Dichloro-4,6-dinitrobenzene is placed in a high-pressure reactor in the presence of ammonia water, and the temperature is raised to 145～150 ℃ for ammonolysis reaction to obtain 4,6-dinitro-1,3-benzenediol Amine; (3) Place 4,6-dinitro-1,3-phenylenediamine, oxygen-free distilled water and palladium-carbon catalyst in a hydrogenation autoclave, and catalyze it under a hydrogen atmosphere of 1-1.5MPa and 85°C After the hydrogenation reaction, the catalyst was removed by hot filtration under nitrogen protection to obtain a 1,2,4-triaminobenzene hydrochloric acid solution;(4) take the 1,2,4,5-tetraaminobenzene obtained in step (3) The solution was added with concentrated hydrochloric acid, cooled to room temperature, filtered under nitrogen protection, and the filter cake was dried in a vacuum desiccator at 40°C to obtain 1,2,4-triaminobenzene hydrochloric acid. The molar ratio of m-dichlorobenzene to fuming nitric acid described in the step (1) is 2.2:1, the mass ratio of concentrated sulfuric acid to fuming nitric acid is 3:8～10, and the dropping temperature is -5～0°C, The nitration temperature is 100-104°C. The reaction time of the ammonolysis described in step (2) is 3.5～4h, and the molar ratio of 1,3-dichloro-4,6-dinitrobenzene to ammonia water is 1:(10～14). The oxygen-free distilled water described in step (3) is distilled water purified by nitrogen, and the reaction time of catalytic hydrogenation is 3-4h; 4,6-dinitro-1,3-phenylenediamine, palladium-carbon catalyst and oxygen-free The mass ratio of the three distilled water is 1:0.05:10. The volume ratio of the 1,2,4-triaminobenzene hydrochloric acid solution described in step (4) to concentrated hydrochloric acid is 1:0.2-0.3.
Check Digit Verification of cas no
The CAS Registry Mumber 615-47-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,1 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 615-47:
(5*6)+(4*1)+(3*5)+(2*4)+(1*7)=64
64 % 10 = 4
So 615-47-4 is a valid CAS Registry Number.
InChI:InChI=1/C6H9N3.2ClH/c7-4-1-2-5(8)6(9)3-4;;/h1-3H,7-9H2;2*1H
615-47-4Relevant articles and documents
Preparation method of chlorophenoxycarboxylic ester
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Paragraph 0057; 0058, (2019/01/06)
The invention provides a preparation method of chlorophenoxycarboxylic ester, wherein the preparation method includes the following steps: carrying out 2-site and/or 4-site selective chlorination reaction of phenoxycarboxylic ester with a chlorinating agent under the action of a catalyst A and a catalyst B to obtain chlorophenoxycarboxylic ester, wherein the catalyst A is Lewis acid, and the catalyst B is C5-22 thiazoles, isothiazoles and thiophenes or halogenated derivatives thereof. The method effectively improves the chlorination selectivity and avoids loss of effective ingredients by redesigning of the process route and fine screening of the catalysts and the chlorinating agent. The content of the obtained chlorophenoxycarboxylic ester can reach 98.5% or more and the yield can reach 99% or more.
Preparation method of chlorophenoxycarboxylic ester
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Paragraph 0082; 0083, (2019/01/08)
The invention provides a preparation method of chlorophenoxycarboxylic ester, wherein the preparation method includes the following steps: S1) carrying out 2-site and/or 4-site selective chlorinationreaction of phenoxycarboxylic ester with a chlorinating agent under the action of a catalyst A and a catalyst B to obtain chlorophenoxycarboxylic ester, wherein the catalyst A is Lewis acid, the catalyst B is C5-22 thiazoles, isothiazoles and thiophenes or halogenated derivatives thereof, and the phenoxycarboxylic ester has any structure represented by the formulas I-IV; and S2) carrying out transesterification reaction of chlorophenoxycarboxylic ester and alcohol under the action of a catalyst to obtain long-chain chlorophenoxycarboxylic ester, wherein the alcohol has the molecular formula ofR2OH, and R2 is C4-20 alkyl or cycloalkyl. The method improves the yield and purity of chlorophenoxycarboxylic ester by redesigning of the process route and fine screening of the catalysts and the chlorinating agent. The content of the obtained chlorophenoxycarboxylic ester can reach 98.5% or more and the yield can reach 98.5% or more.
Preparation method of chlorophenoxycarboxylic ester
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Paragraph 0093; 0094, (2019/01/08)
The invention provides a preparation method of chlorophenoxycarboxylic ester, wherein the preparation method includes the following steps: S1) carrying out 2-site and/or 4-site selective chlorinationreaction of phenoxycarboxylic ester with a chlorinating agent under the action of a catalyst A and a catalyst B to obtain chlorophenoxycarboxylic ester, wherein the catalyst A is Lewis acid, the catalyst B has the following structural formula of R1'-S-R2', and the phenoxycarboxylic ester has any structure represented by the formulas I-IV; and S2) carrying out transesterification reaction of chlorophenoxycarboxylic ester and alcohol under the action of a catalyst to obtain long-chain chlorophenoxycarboxylic ester, wherein the alcohol has the molecular formula of R2OH, and R2 is C4-20 alkyl or cycloalkyl. The method improves the yield and purity of chlorophenoxycarboxylic ester by redesigning of the process route and fine screening of the catalysts and the chlorinating agent. The content ofthe obtained chlorophenoxycarboxylic ester can reach 98.5% or more and the yield can reach 98.5% or more.
