Description

Vat Orange 16 CAS NO 10142-57-1 is a high-performance vat dye belonging to the anthraquinone chemical class, renowned for its excellent color fastness and stability. This compound is critically important for achieving durable and vibrant orange hues on cellulosic fibers like cotton and viscose. Industrial manufacturers in the textile dyeing and printing sectors rely on this pigment for its superior lightfastness, washfastness, and resistance to chlorine bleaching, making it ideal for high-quality apparel and home furnishings.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, rayon, and other cellulosic fibers to achieve fast orange shades.
• Textile Printing: Used in pigment printing pastes for creating sharp, durable orange patterns on fabrics.
• Industrial Fabric Coloring: Suitable for coloring canvas, tarpaulins, and other industrial textiles requiring high color permanence.
• Yarn Dyeing: Employed in the batch dyeing of yarns and threads intended for weaving or knitting.
• Leather Coloring: Application in dyeing leather goods where color fastness is a key requirement.
• Paper Staining: Used for specialty paper coloring where high lightfastness is needed.

Basic Information

Product Name	Vat Orange 16
CAS No.	10142-57-1
Molecular Formula	C₂₈H₁₂Cl₂N₂O₄
Molecular Weight	511.31 g/mol
Synonyms	Vat Orange 16; C.I. 59755; C.I. Vat Orange 16; 8,16-Pyranthrenedione, 4,5,10,11-tetrachloro-; Tetrachloroindanthrone; Vat Orange R; Cibanone Orange R; Caledon Orange R; Indanthren Orange R; Nihonthrene Orange R; Pyranthrene Orange R
EINECS	233-404-5

Quality Control

Our Vat Orange 16 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, particle size distribution, and solubility to meet precise industrial specifications. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every 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 and incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Orange to Reddish-Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Purity (HPLC)	≥ 96.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size (Passing 80 mesh)	≥ 95%
Solubility in Dye Bath	Conforms to Standard
Fastness Properties (Light, Wash, Rub)	Grade 4-5 (Standard Depth)

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