Description

Acid Red 336 is a synthetic, high-performance azo dye belonging to the acid dye class, valued for its strong color strength and good lightfastness. It is a critical component for imparting vibrant, durable red shades to various substrates, particularly polyamide fibers like nylon. This product is essential for manufacturers in the textile, leather, and specialty ink industries seeking reliable and consistent coloration for their high-quality products.

Application

• Textile Dyeing: Primary application for dyeing nylon (polyamide) fibers and fabrics, including apparel, sportswear, and carpets.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform red hues with good penetration.
• Ink Formulation: Employed in the production of specialty inks for various marking and printing applications.
• Paper Staining: Suitable for tinting paper products where a specific red shade is required.
• Plastics Coloring: Can be used as a colorant for certain types of plastics and polymers.
• Biological Staining: Potential use as a histological stain in laboratory settings (subject to specific grade purity).

Basic Information

Product Name	Acid Red 336
CAS No.	12239-11-1
Molecular Formula	C32H24N6Na2O8S2
Molecular Weight	730.68 g/mol
Synonyms	Acid Red 336; C.I. 17045; Nylosan Red F-3GL; Telon Red F3GL; Acid Leather Red 3GL; Acid Fast Red A; Acid Brilliant Red 3GL; Azo Rubine S-2GL; Red 3GL (Acid Dye)
EINECS	Contact for details

Quality Control

Our Acid Red 336 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent color strength, purity, and application performance. Key parameters such as shade, solubility, and fastness properties are verified against established standards. A Certificate of Analysis (COA) detailing the specific test results is provided with each shipment to guarantee product integrity and traceability.

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 light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to Standard
Fastness Properties*	Light: 4-5; Wash: 4-5; Perspiration: 4

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

*Fastness grades are typical results on nylon; specific conditions available upon request.