Description

C.I. Disperse Yellow 58 is a synthetic organic dye belonging to the disperse dye class, widely recognized for its bright yellow hue. It is valued for its excellent color fastness properties, particularly on synthetic fibers, making it a critical component for achieving durable and vibrant coloration. This product is essential for manufacturers in the textile and plastics industries who require reliable and consistent dye performance for polyester, nylon, and acetate materials.

Application

• Primary dyeing and printing of polyester fibers and fabrics.
• Coloration of nylon and acetate textiles.
• Mass pigmentation and spin dyeing of synthetic plastics and resins.
• Manufacturing of colored masterbatches for plastic products.
• Specialized applications in non-textile areas such as inks and coatings.
• Used in the production of transfer papers for sublimation printing.

Basic Information

Product Name	C.I. Disperse Yellow 58
CAS No.	12236-30-5
Molecular Formula	C18H14N4O5
Molecular Weight	366.33 g/mol
Synonyms	Disperse Yellow 58; Disperse Yellow SE-5GL; C.I. 48020; 1,5-Dihydroxy-4,8-diaminoanthraquinone; 1,5-Dihydroxy-4,8-diamino-9,10-anthracenedione; Samaron Yellow 5GL; Foron Yellow SE-5GL; Dianix Yellow 5G-SE
EINECS	Contact for details

Quality Control

Our C.I. Disperse Yellow 58 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance reliability. The product undergoes comprehensive testing, including spectrophotometric analysis, chromatographic purity checks, and application fastness tests against industry standards. Certificates of Analysis (COA) detailing purity, strength, and physical properties 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 and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test
pH (1% Dispersion)	6.0 - 8.0

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