Superiority:

Direct Brown 44 Basic information Product Name: Direct Brown 44 Synonyms: disodium 4,4'-[1,3-phenylenebis[azo(4,6-diamino-3,1-phenylene)azo]]bis(benzenesulphonate);C.I.DirectBrown44;DirectBrown3G;Benzenesulfonic acid, 4,4'-[1,3-phenylenebis [azo(4,6-diamino-3,1-phenylene)azo]]bis-, disodium salt;4,4'-[1,3-Phenylenebis[azo(4,6-diamino-3,1-phenylene)azo]]bisbenzenesulfonic acid, disodium salt;Direct brown 44 (C.I. 35005);disodium 4-[2,4-bis(azanyl)-5-[3-[2,4-bis(azanyl)-5-(4-sulfonatophenyl)diazenyl-phenyl]diazenylphenyl]diazenyl-phenyl]diazenylbenzenesulfonate;disodium 4-[2,4-diamino-5-[3-[2,4-diamino-5-(4-sulfonatophenyl)azo-phenyl]azophenyl]azo-phenyl]azobenzenesulfonate CAS: 6252-62-6 MF: C30H24N12Na2O6S2 MW: 758.6979 EINECS: 228-375-8 Product Categories: Organics Mol File: 6252-62-6.mol

Packaging & Shipping

Aluminum foil bag/25 kg fiber can

Shipping:Prompt after yr PO confirmed, by sea / air / express ,which depends on the order quantity and your request.

Our Services

1. Top Quality

2. Competitive Price

3. Fast Feedback

4. Excellent After-sale Service

5. Safe Delivery

Our Advantage

1.  Risk-free guarantee,15days refund 

2. Most of the products in stock,can ship within 2days after the order
3. Stable quality and supply ability,Samsung,LG,Merck,DOW,GE, supplier 

4.ISO9001,ISO14001,RoSH certification 

5. DUNS Registered,D-U-N-S Number :530844988,Give you the Confidence to Do Business with Us!

6. we can supply custom synthesis service.

RUIYUAN can quickly and efficiently provide a variety of organic compounds, OLED intermediates .Main including: Carbazole, Fluorene, Anthracene, Boronic acid, Naphthaline, Thiophene, Imidazole derivatives and so on. Also can provide custom synthesis from the laboratory scale to commercial production.

Company Information

sunlake. is a research-based and customer-oriented enterprise. Its professionals are dedicated to the discovery of innovative fine chemicals,specialized for Organic Photoconductors,intermediates of Liquid Crystal ,pharmaceutical ingredients,food addiitives and health products.

It’s our pleasure to support our customer to solve the mater from the product’s initial Research and Development to Kilo Lab experiments to Pilot plant production and commercial stable production.