Shandong, China
Business Type:
Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 14001
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available

Direct Blue, Direct Blue 15, Titanium Dioxide manufacturer / supplier in China, offering Direct Blue B, Direct Blue 15, Disperse Black Exsf 300%, Direct Black 17, Direct Black D, Direct Black SD, Direct Grey D and so on.

Gold Member Since 2018
Audited Supplier

Direct Blue B, Direct Blue 15

Min. Order / Reference FOB Price
100 kg US $1/ kg
Production Capacity: 5000mt/Year
Transport Package: 25kg/Bag
Payment Terms: L/C, T/T, D/P, Paypal
Colour: Blue
Appearance: Powder
Usage: Ink, Leather, Textile, Paint
Application Material: Mainly Used for Cotton, Such as Glue The Cellulose
Content: 100%
Specification: 100%

You Might Also Like


Basic Info.

Model NO.
C.I.Direct Blue 15,C.I.24400,CAS 2429-74-5,992.81,C34H24N6Na4O16S4,Direct Blue B,Direct Sky Blue FB,Direct Sky Blue 5B

Molecular Formula:C34H24N6Na4O16S4

Molecular Weight: 992.81

CAS Registry Number:2429-74-5

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid(2 Moore) coupled.

Properties and Applications:  blue. Blue powder. Soluble in water solution for the red light blue, solubility of 60 g/L (85 ºC), insoluble in organic solvents. Meet strong sulfuric acid as blue light green, diluted red for blue; Meet nitric acid solution for the red light gray. The dye solution to join strong hydrochloric acid for red light blue precipitation; Add thick sodium hydroxide solution for purple, have precipitation. Cellulose fiber of dyeing, the dye well after sex good, in 60 ~ 80 ºC maximum of affinity, discharge the gender is good. Copper ions in dyeing color shade darker. Mainly used for cotton, such as glue the cellulose fibre,  silk and rayon / Kam fabric dyeing, also can be used for pulp, biological, film footage of dyeing, can also be used to make the ink.

Direct Blue B, Direct Blue 15

Send your message to this supplier

avatar Mr. Hu Yong Feng

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now