2,7-Dibromo-9H-carbazole; CAS No. 136630-39-2

2,7-DIBROMO-9H-CARBAZOLE

1,Basic information：

Product name：2,7-Dibromo-9H-carbazole

Synonyms：2,7-DibroMocarbazole (2,7-DBC);2,7-DIBROMO-9H-CARBAZOLE;2,7-Dibromocarbazole;2,7-Dibromo-9H-carbazole ,97%;9H-Carbazole, 2,7-dibroMo-;N,N-Bis(M-tolyl)benzenaMine,2,7-DibroMo-9H-carbazole, 9H-Carbazole

CAS: 136630-39-2

MF:  C12H7Br2N

MW:       324.99868

EINECS:   679-869-9

Product Categories:      carbazole;-;OLED materials,pharm chemical,electronic

Melting point       230.0 to 234.0 °C

Boiling point459.0±25.0 °C(Predicted)

density   1.930±0.06 g/cm3(Predicted)

2, Safety Information

Hazard Codes T

Risk Statements 25-36/37/38

Safety Statements 26-45-36/37/39

RIDADR 2811

WGK Germany ：3

HazardClass ：6.1

PackingGroup Ⅲ

HS Code 29339900

3,Chemical Properties：

White to light yellow powder or crystals

4, 2,7-DIBROMO-9H-CARBAZOLE Preparation Products And Raw materials

Raw materials Acetic acid glacial-->Nitric acid-->Acetic anhydride-->Triphenylphosphine-->1,2-Dichlorobenzene-->4,4'-Dibromobiphenyl

5，which field can be used for 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2?

2,7-DIBROMO-9H-CARBAZOLE 136630-39-2 can be used in OLED, and also it is always used as Pharmaceutical intermediates.

6,What is 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2?

2,7-DIBROMO-9H-CARBAZOLE 136630-39-2 is White to light yellow powder or crystals, which always used as OLED materials and Phramaceutical intermediates.

7,what's the HSCODE of 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2?

The HSCODE of  2,7-DIBROMO-9H-CARBAZOLE 136630-39-2 is 29339900

8,what's the appearance of 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2?

White to light yellow powder or crystals

9,what's the hazard class for 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2 ?

6.1

10,How to sythesis 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2

From Raw materials:Acetic acid glacial-->Nitric acid-->Acetic anhydride-->Triphenylphosphine-->1,2-Dichlorobenzene-->4,4'-Dibromobiphenyl

11, what's the price of 2,7-DIBROMO-9H-CARBAZOLE 136630-39-2?

As we are the professional supplier of intermediates, and we have a good knowledge of  2,7-DIBROMO-9H-CARBAZOLE 136630-39-2, and we are experience on sourcing there ingredients, and we can offer a competitive price

12,What's the payment term?

To be discussed.

13,What we can do for you?

1,We can test the quality before each shipment

2,We can provide Vedio for our customers before shipment

3,We can provide packager service for our customers

4,We can provide sourcing service for our customers

5,We can visit the factories for our customers

6,We can provide quality audit for our customers

14,Desription of us

Srikro is a leading provider of ingredients for the pharmaceutical, personal care, food & nutrition,

and animal nutrition industries. You can count on us for a reliably supply of high quality and 

effective ingredients! Leveraging our ingredients expertise and collective experience – together – 

we  find ingredients solutions that work for you.

Providing our customers with a unique ingredients portfolio, consisting of carefully selected ingredients from 

our world class suppliers and the single specialty ingredients and blends from our own production companies,

 we add value: from our sources to your solutions!

We are the provider for taurine, L-Carnitine Base, L-Carnitine Fumarate,L-carnitine HCL,L-Carnitine Tartrate,

L-carnitine 50% feed grade, Acetyl L-carnitine,BCCA,Glycine, Hydroxyproline,L-theanine and some other 

food and feed additives., API, Personel care

15.FAQ

Q:When is the fast delivery ?

A:prompt

Q:Can you help us prepare the documents for Clearance ?

A:sure, we can provide it

Q:can I get some samples?

A:free sample

Q:how to start orders and prepare payments

A:Proforma invoice will be sent after confirmation of orders, enclosed with my bank information, and payment term based on our discussion.

Q: how do you treat complaints?

A:first of all, our quality control will reduce the problem and our production process will reduce the risk of quality problems. And full set of documents will be recorded and check.

16.Product quality

All Products are strictly tested by our QC, Confirmed QA and Approved Third Part Lab in China, USA, Canada, Germany, UK, Italy, France etc. Based on the equality and mutual benefit principle with our customers, with world-wide sales channels, and depended on the competitive strength of the parent group, we can promise you the best world top class quality L-Carnitine Fumarate products.

17.Deliver,shipping and serving

We can deliver 100KG by DHL,Fedex,UPS and EMS, for more than 100KG, to be discussed.