Description

Vat Black 16 CAS NO 1328-19-4 is a high-performance vat dye belonging to the anthraquinone class, renowned for its exceptional color fastness and deep, rich black shade. This product is engineered to deliver superior dyeing performance on cellulosic fibers like cotton and viscose, ensuring excellent resistance to washing, light, and chlorine. It is an essential raw material for textile manufacturers, leather tanneries, and specialty ink producers who require durable and vibrant coloration for high-end applications.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, viscose, and other cellulosic fibers to achieve a fast black color.
• Leather Coloring: Used in the dyeing of leather goods, providing deep penetration and excellent fastness properties.
• Ink Manufacturing: A key pigment for producing high-quality printing inks, especially where lightfastness is critical.
• Paper Staining: Employed for specialty paper products requiring color-fast black hues.
• Pigment Preparation: Can be processed into pigment forms for use in paints and coatings.
• Denim Yarn Dyeing: Ideal for producing classic and fashion denim with superior wash-down characteristics.

Basic Information

Product Name	Vat Black 16
CAS No.	1328-19-4
Molecular Formula	C34H14N2O6
Molecular Weight	546.49 g/mol
Synonyms	Vat Black 16; C.I. Vat Black 16; C.I. 59855; Dibenzanthrone; Indanthren Black BB; Caledon Black X; Cibanone Black X; Mikethren Black X; Nihonthrene Black X; Youhaothrene Black X
EINECS	215-525-8

Quality Control

Our Vat Black 16 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Every lot is tested against stringent in-house specifications for key parameters such as shade, strength, and particle fineness. A Certificate of Analysis (COA) detailing the test results is provided with each shipment to guarantee compliance with your technical requirements.

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	Dark Blue-Black Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Particle Size (Residue on 80 mesh)	≤ 5.0%
Dyeing Fastness	Grade 4-5 (Light, Wash, Chlorine)

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