Direct Yellow R (Direct Yellow 11)

1. Product Overview

     Direct Yellow R, also known as Direct Yellow 11, is a widely used direct azo dye that produces a bright reddish-yellow shade. It has strong affinity for cotton, viscose, and paper, offering       good leveling and build-up properties. Because of its vivid shade and cost-effectiveness, it is commonly applied in bulk textile and paper dyeing.

• CI Name & No.: Direct Yellow 11

• CAS No.: 1325-37-7

• Category: Direct dye (azo type)

• Appearance: Yellow powder

• Shade: Reddish-yellow, brilliant tone

• Key Features: High solubility, strong affinity to cellulose fibers, economical for mass dyeing

2. Technical Specifications

3. Performance & Benefits

• Bright reddish-yellow shade – suitable for vivid textiles and paper products

• Excellent leveling – ensures even dyeing across cotton and viscose fabrics

• Good penetration – supports pale to medium depth shades

• Blending flexibility – easily combined with red and orange dyes for shade adjustment

• Economic value – ideal for cost-sensitive industries requiring bulk colors

4. Applications

• Textiles: Cotton, viscose, rayon, and blended fabrics

• Paper: Reddish-yellow shade for packaging, tissue, and specialty papers

• Leather: Applied in leather finishing for warm yellow tones

• Blends: Cotton/polyester blends, cotton/viscose

5. Quality & Compliance

• COA provided with every batch (shade, strength, purity, moisture)

• APEO-free, compliant with EU restricted azo dye standards

• Heavy metals controlled to international requirements

• SDS available in English and other languages

6. Packaging & Logistics

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

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

• Delivery: 7–10 days ex-warehouse

• Shelf life: 24 months (store in a dry, ventilated area)

• Main ports: Tianjin / Qingdao / Shanghai

7. Samples & Support

• Free samples (10–50 g) available

• Courier freight borne by customer (DHL / UPS preferred)

• Technical support: Shade matching & application guidance

8. Related Products

• Direct Yellow 86 (Direct Fast Yellow DRL) – another bright direct yellow with greenish tone

• Direct Yellow 12 (Chrysophenine GX / Direct Yellow G) – golden-yellow direct dye, complementary within yellow family

• Direct Orange 26 (Direct Orange S) – orange direct dye, often blended with yellow for warm shades