Description

Vat Blue 48 is a high-performance vat dye belonging to the anthraquinone chemical class, known for its excellent color fastness and stability. This compound is essential for achieving deep, durable blue shades on cellulosic fibers like cotton, linen, and viscose. It is a critical raw material for textile manufacturers, pigment producers, and industrial colorant formulators seeking reliable and wash-resistant coloration.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, rayon, and other cellulosic fabrics to produce fast blue colors.
• Pigment Manufacturing: Used as a key intermediate or finished pigment for high-quality industrial paints, inks, and coatings.
• Leather Coloring: Employed in the dyeing of leather goods where color durability is paramount.
• Paper Staining: Applied for specialty paper products requiring colored or decorative paper stock.
• Technical Plastics: Suitable for coloring certain engineering plastics and polymers.
• Research & Development: Serves as a standard or reagent in chemical research and analytical laboratories.

Basic Information

Product Name	Vat Blue 48
CAS No.	6417-56-7
Molecular Formula	C28H12N2O4
Molecular Weight	440.41 g/mol
Synonyms	Vat Blue 48; C.I. 59800; C.I. Vat Blue 48; 16,17-Dimethoxydinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetrone; Dinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetrone, 16,17-dimethoxy-; Caledon Jade Green XBN; Cibanone Jade Green 2B; Indanthren Jade Green XBN; Mikethrene Jade Green FFB; Nihonthrene Jade Green FFB
EINECS	229-149-7

Quality Control

Our Vat Blue 48 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical tests including HPLC for assay, spectrophotometry for color strength, and tests for insolubles and heavy metals. A Certificate of Analysis (COA) detailing all specifications 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark Blue to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (Passing 80 mesh)	≥ 95%
Solubility	Practically insoluble in water; soluble in concentrated sulfuric acid

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