Description

Basic Green 1 is a synthetic cationic triphenylmethane dye, also known as Malachite Green. This compound is a vital colorant and biological stain with significant utility in various industrial and research sectors. It is primarily sought after by manufacturers in the textile, paper, and leather industries for dyeing applications, as well as by laboratories for histological and microbiological staining. Our supply of Basic Green 1 CAS NO 633-03-4 ensures consistent quality and reliable performance for your critical processes.

Application

• Textile Dyeing: Used for coloring silk, wool, and acrylic fibers, providing vibrant green shades.
• Paper and Leather Coloring: Acts as a direct dye for specialty papers and leather goods.
• Biological Staining: A key stain in histology for demonstrating cartilage, bone, and bacteria, and in microbiology for spore staining.
• Ink Manufacturing: Serves as a colorant component in the production of writing inks and stamp pads.
• Analytical Chemistry: Utilized as a pH indicator and in spectrophotometric analysis methods.
• Aquaculture and Fungicide (Historical/Research): Note: Its use in aquaculture is heavily restricted or banned in many countries due to toxicity concerns. Supplied strictly for controlled research purposes.

Basic Information

Product Name	Basic Green 1
CAS No.	633-03-4
Molecular Formula	C23H25ClN2
Molecular Weight	364.91 g/mol
Synonyms	Malachite Green; Malachite Green Chloride; Aniline Green; Benzaldehyde Green; China Green; Diamond Green B; Victoria Green B; Solid Green O; C.I. 42000; Basic Green 4 (obsolete classification)
EINECS	211-190-1

Quality Control

Our Basic Green 1 is produced and tested under a stringent quality management system. Each batch is analyzed to meet precise color strength and purity specifications, ensuring consistency for industrial and research applications. While we offer technical and biological staining grades, all products are accompanied by comprehensive batch documentation. Certificates of Analysis (COA) detailing assay, impurity profile, and physical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive (store away from light); ensure containers are sealed immediately after use to prevent moisture absorption and color degradation.

Specification

Item	Specification
Appearance	Green crystalline powder or lustrous crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Loss on Drying	≤ 2.0%
Solubility	Soluble in water and ethanol
Heavy Metals (as Pb)	≤ 20 ppm

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