Description

Vat Black 8:1 is a high-performance vat dye belonging to the anthraquinone class, known for its exceptional color fastness and deep, rich black shade. This product is engineered to deliver superior dyeing performance on cellulosic fibers like cotton, linen, and viscose, ensuring excellent resistance to washing, light, and chlorine. It is an essential pigment for textile manufacturers and industrial dye producers seeking reliable, high-quality black coloration for demanding applications such as workwear, automotive textiles, and premium apparel.

Application

• Dyeing of cellulosic fibers, including cotton, linen, and viscose rayon.
• Production of high-fastness black textiles for workwear, uniforms, and military fabrics.
• Coloration of yarns and fabrics for the automotive interior and upholstery industry.
• Manufacturing of premium denim and other fashion apparel requiring excellent wash fastness.
• Use in the printing ink industry for specialized applications on natural fibers.
• As a key component in the formulation of pigment preparations and color concentrates.

Basic Information

Product Name	Vat Black 8:1
CAS No.	142985-52-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Vat Black 8; Vat Black 8; C.I. 71000; Vat Dye Black 8:1; Anthraquinone Black Dye; C.I. Vat Black 8 (C.I. 71000); Vat Black NBK; Vat Printing Black
EINECS	Contact for details

Quality Control

Our Vat Black 8:1 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. The product undergoes comprehensive testing for key parameters including shade, strength, particle size, and fastness properties. Certificates of Analysis (COA) documenting purity and performance specifications are available for every batch upon request, supporting your quality assurance and regulatory compliance needs.

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.

Specification

Item	Specification
Appearance	Black Powder
Shade	Standard Black
Strength	100% ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Particle Size	≥ 95% passes 80 mesh
Fastness to Washing	≥ 4-5 (ISO 105-C03)
Fastness to Light	≥ 6-7 (ISO 105-B02)
Identification (IR)	Conforms to Standard

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