Description

Drimarene Black Z-Bl is a high-performance, reactive dye belonging to the vinyl sulfone class, widely recognized for its deep, rich black shade and excellent fastness properties. Its primary value lies in delivering superior color yield and wash-fastness on cellulosic fibers, making it a critical component for achieving durable, high-quality coloration. This product is essential for textile manufacturers, dye houses, and chemical distributors serving the global apparel, home furnishing, and industrial fabric markets. Drimarene Black Z-Bl CAS NO 12225-24-0 is engineered for reliable batch-to-batch consistency in demanding production environments.

Application

• Exhaust dyeing of cotton, viscose, and other cellulosic fibers for apparel.
• Continuous pad-dyeing and pad-steam processes for woven and knitted fabrics.
• Production of home textiles requiring high colorfastness to washing and light, such as bed linens and curtains.
• Dyeing of yarns and threads for sewing, embroidery, and denim production.
• Coloration of towels and other terry cloth products where wet fastness is paramount.
• Used in combination with other reactive dyes to achieve a full spectrum of compound shades.

Basic Information

Product Name	Drimarene Black Z-Bl
CAS No.	12225-24-0
Molecular Formula	C29H19ClN7Na4O19S6
Molecular Weight	1084.31 g/mol
Synonyms	Reactive Black 5; C.I. Reactive Black 5; Remazol Black B; Levafix Black E-B; Sumifix Black B; Vinylsulfone Black; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3,6-bis((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)azo)-, tetrasodium salt
EINECS	235-439-6

Quality Control

Our production of Drimarene Black Z-Bl adheres to stringent quality management systems to ensure product integrity and performance consistency. Every batch is tested against key parameters including color strength, shade, solubility, and fixation properties. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity and conformance to agreed specifications. Our quality protocols are designed to meet the demands of global textile supply chains, supporting traceability and reliability.

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). Keep away from heat sources and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure the original packaging is sealed after use to prevent moisture absorption, which can affect performance.

Specification

Item	Specification
Appearance	Black powder or granules
Color Strength	Standard depth ± 3%
Moisture Content	≤ 5.0%
Water Solubility (at 50°C)	≥ 100 g/L
pH (1% Solution)	5.5 - 7.5
Identification (IR)	Conforms to standard
Fixation Rate	≥ 70% (Standard conditions)
Fastness Properties (Typical)	Wash: 4-5, Light: 5-6, Rubbing: 4

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