Direct Dyes

Direct Dyes

Direct dyes are water-soluble anionic dyes capable of coloring cellulose fibers such as cotton, rayon, and paper without requiring a mordant. Their planar molecular structure allows them to align and bond with cellulose through hydrogen bonding and Van der Waals forces. Direct dyes are valued for their simplicity of application, low cost, and broad shade range, including yellows, reds, blues, and blacks. While their wash fastness is moderate compared to reactive or vat dyes, their ease of use makes them suitable for household textiles, decorative fabrics, and low-cost apparel. Various after-treatment agents may be used to improve fastness when needed. Their role in paper dyeing and specialty applications remains significant.

4,4'-Bis[(4-Ethoxyphenyl)Azo]Stilbene-2,2'-Disulphonic Acid CAS NO 10359-84-9

Unit Price:Get Price

CAS No.:10359-84-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Directblue218 CAS NO 10401-50-0

Unit Price:Get Price

CAS No.:10401-50-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Hexasodium 6,6'-[Vinylenebis[(3-Sulphonato-4,1-Phenylene)Azo]]Bis[4-Amino-5-Hydroxynaphthalene-1,3-Disulphonate] CAS NO 10534-74-4

Unit Price:Get Price

CAS No.:10534-74-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Direct Black 112 CAS NO 12217-52-6

Unit Price:Get Price

CAS No.:12217-52-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Solophenyl Grey Ngl CAS NO 12217-53-7

Unit Price:Get Price

CAS No.:12217-53-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

C.I. Direct Blue 79 CAS NO 12217-55-9

Unit Price:Get Price

CAS No.:12217-55-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Direct Blue 90 CAS NO 12217-56-0

Unit Price:Get Price

CAS No.:12217-56-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Go to Page

Why choose US

Trusted Manufacturer

With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.

Rigorous Quality Assurance

Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.

Advanced R&D Expertise

Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.