Description

C.I.Direct Orange 107 is a synthetic, water-soluble direct dye belonging to the azo chemical class. This high-performance colorant is valued for its strong affinity to cellulosic fibers, providing excellent build-up and good wet fastness properties. It is primarily used in the textile industry for dyeing and printing applications on cotton, viscose, and other regenerated fibers. The compound is identified by CAS No. 12217-65-1.

Application

This direct dye is engineered for robust performance across several industrial coloring processes. Key application areas include:

• Textile Dyeing: Exhaust dyeing of cotton, rayon, and linen fabrics for apparel and home textiles.
• Paper Coloring: Tinting of paper pulp to produce uniformly colored paper products.
• Leather Processing: Dyeing of leather goods, offering good penetration and color consistency.
• Ink Formulation: Used as a colorant in the manufacture of certain types of inks.
• Batch Dyeing of Yarn: Effective for package and hank dyeing of cellulosic yarns.

Basic Information

Product Name	C.I. Direct Orange 107
CAS No.	12217-65-1
Molecular Formula	C32H20N6Na4O13S4
Molecular Weight	956.80 g/mol
Synonyms	Direct Orange 107; C.I. 23295; Direct Orange EG; Direct Orange G; Direct Orange S-G; Pontamine Orange S-G; Sirius Orange S-G; Solophenyl Orange S-G; Benzo Orange S-G; Diazol Orange S-G
EINECS	Contact for details

Quality Control

Our production of C.I. Direct Orange 107 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, solubility, and fastness properties. Certificates of Analysis (COA) documenting purity, physical properties, and application performance are available upon request to support your quality assurance processes.

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. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Shade	Within agreed tolerance
Solubility in Water	Conforms
pH (1% Solution)	6.0 - 8.0

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