Description

Indanthrene Black BBN is a high-performance vat dye belonging to the anthraquinone class, known for its exceptional color fastness and durability. This product is critical for achieving deep, rich black shades that are resistant to light, washing, and chlorine, making it a cornerstone for demanding textile applications. It is primarily required by manufacturers in the textile dyeing and printing industries, especially for coloring cotton, viscose, and other cellulosic fibers where superior fastness properties are non-negotiable.

Application

• Textile Dyeing: Primary application for dyeing cotton, rayon, linen, and other cellulosic fabrics to achieve a fast black shade.
• Yarn Dyeing: Used for dyeing sewing threads, embroidery yarns, and other industrial yarns requiring high color fastness.
• Piece Dyeing: Employed in the continuous and batch dyeing of woven and knitted fabrics for apparel and home textiles.
• Printing Pastes: A key component in pigment printing pastes for creating durable black patterns on textiles.
• Technical Textiles: Suitable for dyeing workwear, automotive fabrics, and other technical textiles exposed to harsh conditions.
• Denim Processing: Can be used in specialized denim dyeing processes to achieve specific black finishes.

Basic Information

Product Name	Indanthrene Black BBN
CAS No.	6369-65-9
Molecular Formula	C34H14N2O4
Molecular Weight	514.49 g/mol
Synonyms	Vat Black 9; C.I. 65230; C.I. Vat Black 9; Indanthren Black BBN; Indanthrene Black BB; Cibanone Black BBN; Caledon Black BBN; Mikethrene Black BBN; Navinon Black BBN; Nihonthrene Black BBN; Paradone Black BBN; Solanthrene Black BBN
EINECS	228-886-9

Quality Control

Our Indanthrene Black BBN is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing, including strength, shade, particle size distribution, and fastness properties. A Certificate of Analysis (COA) detailing purity, physical properties, and performance specifications is provided with every shipment to guarantee it meets the exacting standards of the global textile industry.

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. The container should be kept tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Black Powder
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Purity (HPLC)	≥ 96.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	> 95% passes 80 mesh
Dusting Quality	Low dusting
Fastness to Light	7-8 (ISO 105-B02)
Fastness to Washing	4-5 (ISO 105-C06)

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