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Fast Scarlet BB

Updated: 2026-07-15

Overview

Fast Scarlet BB (Pigment Red 48:2) is a synthetic organic pigment belonging to the azo dye class. It is prized for its vibrant red color and exceptional lightfastness, making it a popular choice in industrial applications. Developed for durability, this pigment is chemically stable and resistant to fading under UV exposure. Its versatility allows it to be used across multiple industries, including coatings, plastics, and textiles.

Physical and Chemical Properties

Fast Scarlet BB appears as a bright red powder with a molecular weight of 665.71 g/mol. It is insoluble in water but exhibits slight solubility in certain organic solvents. Key properties include high tinting strength and excellent lightfastness, rated at 7-8 on the Blue Wool Scale. The pigment's chemical structure ensures stability under heat and UV radiation, making it suitable for outdoor applications.

Main Applications

This pigment is widely used in industrial paints and coatings, where its lightfastness and color stability are critical. It is also a preferred choice for printing inks, especially in packaging and publications. In plastics, Fast Scarlet BB provides consistent coloration for products like PVC, polyethylene, and polystyrene. The textile industry utilizes it for dyeing synthetic fibers, where color retention is essential.

Safety and Storage

Fast Scarlet BB is classified as non-hazardous but requires careful handling to avoid inhalation or skin contact. Personal protective equipment (PPE) such as gloves and masks should be used during processing. Storage recommendations include keeping the pigment in a cool, dry environment, sealed tightly to prevent moisture absorption. Containers should be labeled clearly with safety information.

B2B Procurement Guide

When sourcing Fast Scarlet BB, buyers should verify the CAS number (7023-61-2) and request a certificate of analysis (CoA) to confirm purity. Suppliers should provide a Safety Data Sheet (SDS) for compliance with regulations. Pricing varies based on quantity and supplier location, with bulk purchases often offering discounts. Buyers are advised to compare technical specifications and test samples before large-scale procurement.

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