Direct Black 38 Black Ex 100% CAS: 1937-37-7 Cotton Textile Direct Dyes

• CAS No.: 1937-37-7
• Formula: C34h25n9na2o7s2
• EINECS: 217-710-3
• Colour: Black
• Appearance: Powder
• Usage: Paper, Textile, Cotton
• Model NO.: OC-DTBK05
• Application Material: Cotton
• Name: Direct Black Ex
• Content: 100%
• C.I.No.: Direct Black 38
• Transport Package: Box
• Specification: 100%
• Trademark: ORIENCHEM
• Origin: China
• HS Code: 3204140000

Product Description

Direct Black 38 Black Ex 100% CAS: 1937-37-7 Cotton Textile Direct Dye Dyestuff
 

Product Description

C.I.: Direct Black 38                                                                 C.I.: 30235

CAS: 1937-37-7                                                                       EC: 217-710-3

Chemical Formula: C₃₄H₂₅N₉Na₂O₇S₂                                 Molecular Weight: 781.73

Chemical Structure: Trisazo


Application:
Direct Black 38 is mainly used for cotton, silk, leather, paper, wood coloring.

Note:
For more technical data, pls contact us for TDS and MSDS.
 

Company Profile

Production base for Direct Dyes

Laboratory 
(Testing for plastic,paint,ink and etc...)


We are in the exhibitions in China and overseas
(ChinaCoat,ChinaPlas,China InterDye,K Show,Plastex Egypt and etc... )

Packaging & Shipping

Our regularly packaging is 25kgs box or drum.
If you have need any special packaging or packing size, we will try our best to match your requirement.



We can arrange different kinds of shipment such as:

Courier: FedEx, DHL, TNT                          Ocean shipment                            Air shipment

FAQ

A. What is the payment term?
We can accpet most of the payment term such as TT, LC, DP, DA and etc.

B. Can you provide samples?
We can arrange free samples for your tesing

C. What is the MOQ?
Usually we can arrange shipment for one packaging(1 box or 1 drum).
If you have speical requirement, we can discuss.

D. What is the lead time?
We have stock for most of the reqular items, can arrange shipment within 2 weeks.
If you have special requirement, we can try best to cooperate with you to ship cargo as early as possible.

E. How to control your quality?
We have standard for each of our product, we test the quality during the production process and also the final product to make sure the quality is similar as our standard. We can provide pre-shipment sample before the shipment for your testing, and ship the same cargo to you after you approve the pre-shipment sample.