Description

Jute Scarlet R CAS NO 5858-37-7 is a synthetic azo dye known for its vibrant scarlet hue and strong affinity for cellulosic fibers. This high-performance colorant is valued for its excellent color fastness and consistent batch-to-batch quality, ensuring reliable results in demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking durable and vivid coloration.

Application

• Textile Dyeing: Primary application for dyeing jute, cotton, and other cellulosic fibers to achieve a bright scarlet shade.
• Leather Finishing: Used in the coloration of leather goods, providing rich and uniform color penetration.
• Paper Coloring: Employed in the production of specialty papers, decorative paper, and packaging materials.
• Wood Staining: Applied for tinting wood and wood-based products to enhance aesthetic appeal.
• Ink Formulation: Serves as a colorant in the manufacturing of inks for various printing applications.
• Biological Staining (Research Grade): Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Jute Scarlet R
CAS No.	5858-37-7
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Scarlet R; C.I. Acid Red 114; Jute Scarlet; Scarlet R for Jute; C.I. 23635; Disodium 8-[(2,4-diaminophenyl)azo]-7-hydroxynaphthalene-1,3-disulfonate; Amanil Scarlet R; Atlantic Acid Scarlet R
EINECS	227-490-3

Quality Control

Our Jute Scarlet R is manufactured under a strict quality management system. Every batch is analyzed to ensure it meets precise specifications for color strength, shade, and purity, consistent with industry standards for textile dyes. A comprehensive Certificate of Analysis (COA) detailing parameters such as assay, insolubles, and heavy metal content is provided with each shipment to guarantee product integrity and performance.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Assay (Color Strength)	≥ 98%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to standard sample
Fastness Properties	To be specified per grade

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