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E121-3BS

Updated: 2026-07-15

Overview

E121-3BS is a synthetic dye primarily employed in industrial applications due to its vibrant coloration and stability. It is widely used in sectors such as textiles, plastics, and coatings, where consistent and durable color performance is essential. The dye is known for its solubility in various solvents, making it versatile for different manufacturing processes. While specific chemical details like the molecular formula and CAS number may vary by manufacturer, E121-3BS is generally recognized for its reliability in industrial settings. Buyers should ensure they source this dye from reputable suppliers to guarantee quality and compliance with safety standards.

Physical and Chemical Properties

E121-3BS typically appears as a powdered or granular solid, with its color depending on the specific formulation. Its solubility can vary, but it is generally soluble in water or organic solvents, which facilitates its use in diverse applications. The dye exhibits high color stability, resisting fading under normal environmental conditions. Key properties include its ability to blend uniformly into substrates, ensuring even coloration in end products. While exact melting and boiling points are not widely documented, the dye is designed to withstand typical industrial processing temperatures without significant degradation.

Main Applications

E121-3BS is predominantly used in the textile industry for dyeing fabrics, where it provides vibrant and long-lasting colors. It is also employed in the plastics industry to color products ranging from packaging materials to consumer goods. Additionally, the dye finds applications in coatings, where it enhances the visual appeal of paints and other surface treatments. In some cases, E121-3BS may be used in specialized applications such as inks or paper products, though these uses are less common. Its versatility and performance make it a preferred choice for manufacturers seeking reliable and consistent coloration solutions.

Safety and Storage

Handling E121-3BS requires adherence to safety protocols to minimize risks. Workers should use personal protective equipment (PPE), including gloves and masks, to avoid direct contact or inhalation. The dye should be stored in a cool, dry environment, away from direct sunlight and moisture, to preserve its quality. In case of accidental exposure, immediate washing with water is recommended, and medical advice should be sought if irritation persists. Proper disposal methods should be followed to prevent environmental contamination, in compliance with local regulations.

B2B Procurement Guide

When procuring E121-3BS, B2B buyers should prioritize suppliers with proven track records and relevant certifications. Requesting material safety data sheets (MSDS) is essential to understand the dye's handling and safety requirements. Buyers should also verify batch-to-batch consistency to ensure uniform performance in production processes. Price negotiations should consider factors such as order volume, purity levels, and delivery terms. For reference, prices commonly range between $10 and $50 per kilogram, though bulk purchases may attract discounts. Establishing long-term relationships with reliable suppliers can help secure favorable terms and consistent quality.