Description

C.I. Solubilised Sulfur Blue 11 is a high-purity, water-soluble sulfur dye known for its excellent affinity to cellulosic fibers. This product matters for its ability to produce deep, economical blue shades with good wash and light fastness properties on textiles. It is primarily needed by manufacturers in the textile dyeing and printing industries, as well as by leather tanneries and paper mills seeking cost-effective and durable colorants.

Application

• Exhaust dyeing of cotton, viscose, and other cellulosic fibers.
• Continuous dyeing and pad-steam processes for fabrics.
• Printing applications on textile substrates.
• Dyeing of blended fabrics containing cellulosic components.
• Coloration of leather and suede.
• Tinting of paper and paperboard.
• Industrial applications requiring a stable blue pigment.

Basic Information

Product Name	C.I. Solubilised Sulfur Blue 11
CAS No.	12262-47-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Blue 11; Solubilised Sulfur Blue 11; C.I. 53310; C.I. Sulphur Blue 11; Leuco Sulphur Blue 11; Hydrosol Blue B; Kayaku Homodye Blue B; Sulphur Blue 11 (solubilised); Solubilized Sulfur Blue 11
EINECS	Contact for details

Quality Control

Our C.I. Solubilised Sulfur Blue 11 undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards for textile dyes. Key parameters such as color strength, solubility, and shade are strictly monitored. Certificates of Analysis (COA) detailing purity and performance specifications are available upon request.

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	Blue to Bluish-Black Powder
Identification	Conforms (IR / TLC)
Color Strength	Standard Depth ± 5%
Solubility in Water	Complete
Moisture Content	≤ 5.0%
Ash Content	≤ 3.0%
Shade on Cotton	Conforms to Standard
Fastness Properties (Typical)	Wash: Good; Light: Good to Very Good

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