Description

1,3,3-Trimethyl-2-(formylmethylene)indoline is a versatile and reactive chemical intermediate belonging to the indoline class of heterocyclic compounds. Its core value lies in its formylmethylene functional group, which makes it a crucial building block for synthesizing complex organic molecules, particularly dyes and functional materials. This compound is essential for manufacturers and R&D laboratories in the fine chemical, photochemical, and specialty dye industries seeking to develop advanced colorants and light-sensitive materials.

Application

• Synthesis of Cyanine Dyes: A key precursor for producing various cyanine dyes used in photographic sensitizers, optical data storage, and laser applications.
• Photochromic Materials: Used in the development of organic photochromic compounds for applications in smart windows, ophthalmic lenses, and optical switches.
• Nonlinear Optical (NLO) Materials: Serves as a building block for creating organic molecules with NLO properties for use in telecommunications and photonic devices.
• Biological Staining and Labeling: Intermediate in the synthesis of fluorescent probes and stains for bioimaging and diagnostic assays.
• Organic Semiconductor Research: Investigated as a component in the development of novel organic electronic materials.
• Chemical Research & Development: A valuable reagent for academic and industrial research in synthetic organic chemistry and material science.

Basic Information

Product Name	1,3,3-Trimethyl-2-(formylmethylene)indoline
CAS No.	84-83-3
Molecular Formula	C₁₃H₁₅NO
Molecular Weight	201.26 g/mol
Synonyms	2-(Formylmethylene)-1,3,3-trimethylindoline; Fischer's Aldehyde; 1,3,3-Trimethyl-2-methyleneindoline-2-carbaldehyde; 2-Formylmethylene-1,3,3-trimethylindoline; 2-(2,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)acetaldehyde; Base aldehyde of Fischer; Fischer Base Aldehyde
EINECS	201-566-6

Quality Control

Our 1,3,3-Trimethyl-2-(formylmethylene)indoline is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.