Description

Bindschedler's Green is a synthetic organic dye belonging to the triarylmethane class, identified by CAS NO 4486-05-9. This compound serves as a vital colorant and analytical reagent, valued for its distinct green hue and specific chemical reactivity. It is primarily utilized in research and development laboratories, as well as in specialized industrial sectors requiring precise colorimetric indicators or staining agents.

Application

• Analytical Chemistry: Employed as a redox indicator in titrimetric analysis and as a staining agent in microscopy.
• Biological Staining: Used in histological and cytological preparations for contrast enhancement in cellular imaging.
• Industrial Dyeing: Functions as a colorant for specialty papers, inks, and coatings where specific green shades are required.
• Research & Development: Serves as a key intermediate or reference standard in synthetic organic chemistry and dye research.
• Electrochemical Studies: Applied in the development of sensors and electrochromic devices due to its reversible redox properties.
• Photographic Industry: Historically used in certain color photographic processes and sensitizers.

Basic Information

Product Name	Bindschedler's Green
CAS No.	4486-05-9
Molecular Formula	C25H31N3O6S2
Molecular Weight	533.66 g/mol
Synonyms	Bindschedler's Green; C.I. 49415; Basic Green 4; Ethyl Green; Brilliant Green S; Diamond Green B; Aniline Green; N-[4-[[4-(Diethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium sulfate (1:1)
EINECS	224-770-4

Quality Control

Our Bindschedler's Green is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including identification (IR), purity assay (HPLC), and impurity profiling to ensure it meets high-grade specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition (Sulfated Ash)	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Passes test

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