Direct Orange S (Direct Orange 26)

1. Product Overview

Direct Orange S, also known as Direct Orange 26, is a strong orange direct dye commonly used in the textile and paper industries. It is valued for its high solubility, bright orange shade, and ability to dye cellulosic fibers directly without a mordant.

• CI Name & No.: Direct Orange 26

• CAS No.: 3626-28-6

• Category: Direct dye (azo type)

• Appearance: Reddish orange powder

• Shade: Bright reddish-orange with high tinctorial strength

• Key Features: High affinity for cotton, good solubility, economical for bulk dyeing

2. Technical Specifications

3. Performance & Benefits

• Bright reddish-orange shade — vivid color on textiles and paper

• Good build-up properties — deep shades achievable with multiple applications

• Uniform level-dyeing — excellent penetration on cotton and viscose

• Versatile usage — applicable for cotton, paper, leather, and blends

• Cost-effective — widely used in mass production dyeing

4. Applications

• Textiles: Cotton, viscose, rayon, and blends (cotton/polyester, cotton/viscose)

• Paper: Suitable for packaging paper, tissue, and specialty paper dyeing

• Leather: Provides reddish-orange tones for leather finishing

• Inks: Can be used in water-based ink formulations

5. Quality & Compliance

• COA with each batch (Shade, Strength, Purity, Moisture)

• APEO-free, meets EU restricted azo dye requirements

• Heavy metals controlled within international safety limits

• SDS available in English and additional languages on request

6. Packaging & Logistics

• Standard packaging: 25 kg fiber drums / cartons with PE inner bag

• MOQ: 100 kg (trial) / 1 MT (bulk order)

• Delivery time: 7–10 days ex-warehouse

• Shelf life: 24 months under dry, ventilated storage

• Main ports: Tianjin / Qingdao / Shanghai

7. Samples & Support

• Free samples (10–50 g) available

• Courier cost borne by customer (DHL / UPS account preferred)

• Technical support available: shade adjustment & application guidance

8. Related Products

• Direct Orange 39 (Direct Fast Light Orange GGL) – another orange direct dye for cotton & paper

• Direct Yellow R (Direct Yellow 11) – complementary yellow direct dye, often blended with orange for shade adjustment

• Direct Red 227 (Direct Rose FR) – reddish direct dye providing warm red tones for blends with orange