Description

Reactive Green 12 is a high-purity, reactive dye belonging to the anthraquinone class, identified by CAS No. 12225-80-8. This product is engineered for covalent bonding with hydroxyl or amino groups in substrates, offering exceptional color fastness and wash resistance. It is a critical component for industrial users requiring durable and vibrant green coloration in textiles, paper, and specialty applications.

Application

• Textile Dyeing: Primary application for dyeing and printing of cellulosic fibers (cotton, rayon, linen) and protein fibers (wool, silk) to achieve brilliant green shades.
• Paper Coloring: Used in the production of specialty colored papers, including decorative and security papers.
• Leather Finishing: Imparts durable color to leather goods in the tanning industry.
• Biomolecule Staining: Employed in biochemical and histochemical laboratories for staining proteins and other biomolecules.
• Ink Formulation: A key pigment for manufacturing inks used in jet printing and other marking systems.
• Research & Development: Serves as a chemical intermediate or reference standard in synthetic chemistry and material science research.

Basic Information

Product Name	Reactive Green 12
CAS No.	12225-80-8
Molecular Formula	C31H19Cl2N7Na4O19S6
Molecular Weight	1243.86 g/mol
Synonyms	Reactive Green HE-4BD; C.I. Reactive Green 12; Remazol Turquoise Blue G; Drimarene Turquoise K-2B; Levafix Turquoise Blue E-G; Procion Turquoise H-EX; Anthraquinone Reactive Dye Green 12; 1-Amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Reactive Green 12 is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color strength, and tests for insolubles and heavy metals. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every shipment to ensure consistent quality and batch-to-batch reliability for your processes.

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. The product is hygroscopic; ensure the container is resealed tightly after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark green to bluish-green powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 90%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 50 ppm

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