Description

Acid Green 1 is a synthetic organic dye belonging to the triarylmethane class, widely recognized for its vibrant green color. This high-purity colorant is valued for its strong tinctorial strength and good solubility in aqueous systems, making it a critical component for achieving consistent and reliable coloration. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries where precise color matching and batch-to-batch consistency are paramount for product quality.

Application

• Textile Dyeing: Used for dyeing wool, silk, and nylon fibers, providing bright green shades with good light and wash fastness properties.
• Paper Coloring: Employed in the production of colored papers, tissues, and decorative paper products.
• Ink Formulation: A key pigment for specialty inks, including stamp pad inks and certain writing inks, due to its solubility and color intensity.
• Leather Finishing: Applied in the dyeing of leather goods to achieve uniform green coloration.
• Biological Staining: Used in microscopy as a histological stain for specific tissue components in laboratory settings.
• Indicator Chemistry: Can serve as a pH indicator in certain analytical and educational chemistry applications.

Basic Information

Product Name	Acid Green 1
CAS No.	19381-50-1
Molecular Formula	C27H31N2O6S2Na
Molecular Weight	566.66 g/mol
Synonyms	Acid Green 1; Wool Green S; C.I. 10020; Acid Green G; Lissamine Green B; Food Green 1; FD&C Green No. 1; Green S; E142; Brilliant Acid Green BS; Hexacol Wool Green S
EINECS	243-003-2

Quality Control

Our Acid Green 1 is manufactured under a strict quality management system to ensure it meets the high standards required for industrial applications. Each batch is tested for critical parameters including color strength, purity, solubility, and heavy metal content. A comprehensive Certificate of Analysis (COA) detailing assay results, typically via HPLC or titration, is provided with every shipment to guarantee traceability and compliance with your specifications.

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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Dark green powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85%
Color Strength	100 ± 5%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Ash Content	≤ 1.0%

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