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1257220-44-2 | OLED Material

Beijing Green Guardee – Specializing in producing OLED Materials with two factory base and one R&D center. Synonyms: 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole; Purity:98%; Application:OLED Materials; Customizing service; Comprehensive quality management, Welcome Contact!
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1)Production introduction of 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole 1257220-44-2

Product Name 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole
Synonyms 2-bromo-7,7-dimethyl-5-phenyl-5,7-dihydroindeno[2,1-b]carbazole
CAS No. 1257220-44-2
Molecular Formula C27H20BrN
Molecular Weight 438.36
Appearance Off white powder
Density No date
Boiling point No date
Flash point No date
Solubility Insoluble
Purity 98%
Application OLED Materials

2) Production Qualification of 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole 1257220-44-2

Product Name: 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole

CAS: 1257220-44-2

A. We have rich experience in producing 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno


B. We have comprehensive quality management, we can ensure the product purity and quality.

C. Before we deliver the goods to customer, we will do the related test again to ensure the the goods quality.

3) Package of 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole 1257220-44-2

Sample: aluminum foil bag, plastic bags inside.

Kg grade package: aluminum foil bag inside, carton outside.

20kg grade package: plastic bag inside, fiber drum outside.

Label: Company, Product name, CAS, Purity, Weight, Batch No.

4) Safety&Regulations of 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole

5) Production technological process of 2-Bromo-5,7-dihydro-7,7-dimethyl-5-phenylindeno[2,1-b]carbazole 1257220-44-2

6) Recommendations:

2-bromo-9H-carbazole 3652-90-2

4-Bromo-9H-carbazole 3652-89-9

3,9′-Bicarbazole 18628-07-4

9-Phenyl-9H,9’H-[3,3′]bicarbazole 1060735-14-9


Q1: Are you the manufacturer or the trading company?

A: We are the professional manufacturer in OLED Materials with two factory bases.

The First factory is located in Shijia Zhuang, Heibei Province.

The Second factory is located in the Handan New Chemical Park, Heibei Province.

Q2: What about the lead time for the customizing items?

A: Usually, it depends on the production scheduling and difficulty level for the R&D’ items.

Q3: What about your R&D strength?

A: Relying on the technological superiority of Peking University national key laboratory, GG built a R&D team composed of PhD & MSc.

New products kinds our R&D developed: about more than 200 kinds every year.