73718-62-4

Basic information

• Product Name: 1-Ethyl-2-methylene-3,3-dimethylindoline
• Synonyms: 1-Ethyl-2,3-dihydro-3,3-dimethyl-2-methylene-1H-indole;1H-Indole,1-ethyl-2,3-dihydro-3,3-diMethyl-2-Methylene-
• CAS NO: 73718-62-4
• Molecular Formula: C₁₃H₁₇N
• Molecular Weight: 187.28
• Mol File: 73718-62-4.mol
• Article Data: 8

Chemical Properties

• Boiling Point: 258℃
• Flash Point: 100℃
• Appearance: /
• Density: 0.99
• Storage Temp.: 2-8°C
• CAS DataBase Reference: 1-Ethyl-2-methylene-3,3-dimethylindoline(CAS DataBase Reference)
• NIST Chemistry Reference: 1-Ethyl-2-methylene-3,3-dimethylindoline(73718-62-4)
• EPA Substance Registry System: 1-Ethyl-2-methylene-3,3-dimethylindoline(73718-62-4)

Safety Data

• Hazardous Substances Data: 73718-62-4(Hazardous Substances Data)

Usage

General Description

1-Ethyl-2-methylene-3,3-dimethylindoline, also known as EMDI, is a chemical compound commonly used as a colorant and dye intermediate in the textile industry. It is a yellowish to brown powder with a molecular formula of C13H17N and a molecular weight of 187.28 g/mol. EMDI is primarily used in the production of dyes and pigments for textiles, plastics, and paints due to its high stability, lightfastness, and resistance to chemicals. It is also known to be a skin and eye irritant and may cause allergic reactions in some individuals, so proper protective measures should be taken when handling this chemical. EMDI should be stored in a cool, dry place away from heat, flames, and sparks to prevent combustion and ensure its stability.

Upstream product

• 14134-81-7 1-ethyl-2,3,3-trimethylindolium iodide 
• 1640-39-7 2,3,3-trimethylindoleniune 
• 563-80-4 3-methyl-butan-2-one 
• 100-63-0 phenylhydrazine 
• 74-96-4 ethyl bromide 

Downstream Products

• 3879-67-2 1-ethyl-3,3,6'-trimethyl-1,3-dihydro-spiro[indole-2,2'-pyrano[3,2-h]quinoline] 
• 3879-66-1 1-ethyl-3,3-dimethyl-1,3-dihydro-spiro[indole-2,2'-pyrano[3,2-h]quinoline] 
• 122275-78-9 3,3-dimethyl-5'-oxo-1-ethyl-1,3-dihydrospiro<2H-indole-2,2'-pyrrolidine> 
• 14134-81-7 1-ethyl-2,3,3-trimethylindolium iodide 
• 84716-03-0 C₂₆H₂₄N₂O₃ 
• 84716-07-4 C₂₆H₂₄N₂O₃ 
• 84716-09-6 C₂₆H₂₃BrN₂O₃ 
• 84716-08-5 C₂₇H₂₆N₂O₄ 
• 84716-05-2 C₂₆H₂₃BrN₂O₃ 
• 84716-04-1 C₂₇H₂₆N₂O₄ 
• 84716-06-3 C₂₆H₂₃N₃O₅ 
• 120420-74-8 3,3-dimethyl-6'-oxo-1-ethyl-1,3-dihydrospiro<2H-indolo-2,2'-piperidine> 
• 1047661-12-0 C₂₄H₂₀N₄ 
• 1239703-01-5 C₁₅H₁₈ClNO 

Relevant articles and documents

Synthesis and application of spiropyrane derivative probe for naked eye detection of chrome III

The invention belongs to the technical fields of the preparation and application of biological probe materials and provides synthesis and application of a spiropyrane derivative probe for naked eye detection of chrome III. The spiropyrane derivative probe can be used for detecting chrome ions in a water solution and is prepared by linking benzimidazole as a chrome ion recognition group and hemicyanine as a fluorescent group through amino groups; and the chrome ions are recognized by the steps of inducing breakage of spiropyrane C-O through complexing and coordination with benzimidazole, and carrying out ring-opening fluorescence emission. The structural formula of the probe is as follows: formula (shown in the description), SP for short. The probe can be used for selectively detecting thechrome ions; and ultraviolet spectrograms of solutions acting with different metal ions show that the changes of the ultraviolet spectrograms are most obvious only after the probe is bound with the chromium ions, and the color of the solution of the chromium ions and the probe is changed from colorless to obviously red.

A photosensitive color-changing material and its color-changing in the dress material application (by machine translation)

The present invention provides a novel structure containing Schiff base unit of spiral wicked qinqin kind of type I compounds, the compound is a photosensitive color-changing material of a small organic molecule. The invention also provides a synthetic method of containing the Schiff base unit piperazine compounds. The compounds of this invention can be used as a dye, to aldehyde fabric, is aldehyde fabric can be in the nature change color under the sunlight. (Type I). (by machine translation)

Colorimetric Cyanide Chemosensor Based on 1′,3,3′,4-Tetrahydrospiro[chromene-2,2′-indole]

A new class of chemosensors based on the 1′,3,3′,4-tetrahydrospiro[chromene-2,2′-indole] ring system, which detects cyanide with high specificity, is described. These chemosensors show a distinct color change when treated with cyanide in acetonitrile solution buffered with sodium phosphate, and this procedure is not affected by the presence of other common anions. The chemisensors exhibit high sensitivity to low concentrations of cyanide, meeting the European Union water quality control criterion of sensitivity below 0.05 mg L-1, and show a very fast response within tens of seconds. The mechanism for detection is rationalized by the nucleophilic substitution of the phenolic oxygen atom at the indoline C-2 atom by the cyanide anion to form a stable indolylnitrile adduct and to generate the colored 4-nitrophenolate chromophore. These chemosensors can be synthesized by a simple procedure from commercially available starting materials.