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2,7-Dibromo-9,9-dimethylfluorene

2,7-Dibromo-9,9-dimethylfluorene structure

CAS No.: 28320-32-3

Chemical Name:: 2,7-Dibromo-9,9-dimethylfluorene

Synonyms: 9,9-Dimethyl-2,7-Dibromofluorene;2,7-Dibromo-9,9-dime;2,7-Dibromo-9,9-dimethyL;2,7-Dibromo-9,9-dimethylflu;2,7-Dibromo-9,9-dimethylfluoren;2,7-Dibromo-9,9-dimethylfluorene;9,9-Dimethyl-2,7-dibromofluorenone;2,7-Dibromo-9,9-dimethylfluorene>9,two 9-Methyl -2,7-broMidefluorene;2,7-Dibromo-9,9-dimethyl-fluororene

CBNumber:: CB6948243

Molecular Formula:: C15H12Br2

Molecular Weight:: 352.06

MDL Number:: MFCD00099471

MOL File:: 28320-32-3.mol

MSDS File:: SDS

Last updated:2025-08-08 17:45:00

Product description	Number	Pack Size	Price
2,7-Dibromo-9,9-dimethyl-9H-fluorene 99%	757187	5g	$256
2,7-Dibromo-9,9-dimethylfluorene >98.0%(HPLC)	D3859	5g	$154
2,7-Dibromo-9,9-dimethylfluorene >98.0%(HPLC)	D3859	25g	$385
2,7-Dibromo-9,9-dimethylfluorene	D425578	25g	$145
2,7-Dibromo-9,9-dimethyl-9H-fluorene	OR5982	25g	$40
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2,7-Dibromo-9,9-dimethylfluorene Properties

Melting point	180°C
Boiling point	401.8±38.0 °C(Predicted)
Density	1.606±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in Toluene
form	powder
color	White to Light yellow to Light orange
InChI	InChI=1S/C15H12Br2/c1-15(2)13-7-9(16)3-5-11(13)12-6-4-10(17)8-14(12)15/h3-8H,1-2H3
InChIKey	LONBOJIXBFUBKQ-UHFFFAOYSA-N
SMILES	C1(C)(C)C2=C(C=CC(Br)=C2)C2=C1C=C(Br)C=C2
CAS DataBase Reference	28320-32-3(CAS DataBase Reference)
UNSPSC Code	12352103
NACRES	NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P261-P305+P351+P338

Hazard Codes

Risk Statements

50/53-53-50

Safety Statements

60-61

RIDADR

3077

WGK Germany

HS Code

29039990

NFPA 704

	0
1		0

2,7-Dibromo-9,9-dimethylfluorene price More Price(34)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	757187	2,7-Dibromo-9,9-dimethyl-9H-fluorene 99%	28320-32-3	5g	$256	2025-07-31	Buy
TCI Chemical	D3859	2,7-Dibromo-9,9-dimethylfluorene >98.0%(HPLC)	28320-32-3	5g	$154	2025-07-31	Buy
TCI Chemical	D3859	2,7-Dibromo-9,9-dimethylfluorene >98.0%(HPLC)	28320-32-3	25g	$385	2025-07-31	Buy
TRC	D425578	2,7-Dibromo-9,9-dimethylfluorene	28320-32-3	25g	$145	2021-12-16	Buy
Apolloscientific	OR5982	2,7-Dibromo-9,9-dimethyl-9H-fluorene	28320-32-3	25g	$40	2021-12-16	Buy

Product number	Packaging	Price	Buy
757187	5g	$256	Buy
D3859	5g	$154	Buy
D3859	25g	$385	Buy
D425578	25g	$145	Buy
OR5982	25g	$40	Buy

2,7-Dibromo-9,9-dimethylfluorene Chemical Properties,Uses,Production

Chemical Properties

White solid

Uses

This material is a precursor to a number of organic semiconducting polymers for OPV as well as a variety of hole transport for OLED devices.

References

[1] Patent: CN106349163, 2017, A. Location in patent: Paragraph 0080; 0081; 0099; 0100; 0113; 0114
[2] Patent: CN108409668, 2018, A. Location in patent: Paragraph 0075-0076; 0078
[3] Patent: EP1860097, 2007, A1. Location in patent: Page/Page column 21; 22
[4] Patent: US8058450, 2011, B2. Location in patent: Page/Page column 43
[5] Journal of Organic Chemistry, 2004, vol. 69, # 3, p. 987 - 990

2,7-Dibromo-9,9-dimethylfluorene synthesis

Synthesis of 2,7-Dibromo-9,9-dimethylfluorene from 2,7-Dibromofluorene

2,7-Dibromo-9,9-dimethylfluorene Preparation Products And Raw materials

Raw materials

9,9-Dimethylfluorene TETRABUTYLAMMOMIUM BROMIDE 2,7-Dibromofluorene Sodium hydroxide Iodomethane

Dimethyl sulfoxide

1of2

Preparation Products

2-bromo-7-N,N’-diphenylamino-9,9’-dimethyl-9H-fluorene 1196107-73-9 (7-bromo-9,9-dimethyl-9H-fluoren-2-yl)methanol

2,7-Dibromo-9,9-dimethylfluorene Suppliers

Global( 267)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Speranza Chemical Co., Ltd.	+86-86-075521030354 +8618688942810	sophieliu@speranzachem.com	China	925	55
Puyang Huicheng Electronic Materials Co., Ltd.	+86-0393-+86-0393-8910800 +8615839383373	info@huichengchem.com	China	530	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20176	58
Hebei Zhuanglai Chemical Trading Co Ltd	+86-16264648883	niki@zlchemi.com	China	7245	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29734	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13469	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21620	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
AB PharmaTech,LLC	323-480-4688	sales@acrospharmatech.com	United States	989	55

Supplier	Advantage
Speranza Chemical Co., Ltd.	55
Puyang Huicheng Electronic Materials Co., Ltd.	58
Henan Fengda Chemical Co., Ltd	58
Hebei Zhuanglai Chemical Trading Co Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Nanjing ChemLin Chemical Industry Co., Ltd.	60
ATK CHEMICAL COMPANY LIMITED	60
AB PharmaTech,LLC	55

View Lastest Price from 2,7-Dibromo-9,9-dimethylfluorene manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-10-15	2,7-Dibromo-9,9-dimethyl-9H-fluorene 28320-32-3	US $35.00 / KG	1KG	98%+	300MT/year	Speranza Chemical Co., Ltd.
2025-09-25	2,7-Dibromo-9,9-dimethylfluorene 28320-32-3	US $200.00-1.00 / KG	1KG	99%, 99.5% Sublimated	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
2025-05-23	2,7-Dibromo-9,9-dimethylfluorene 28320-32-3	US $10.00 / kg	1kg	99%	20 ton	Hebei Zhuanglai Chemical Trading Co Ltd

2,7-Dibromo-9,9-dimethyl-9H-fluorene
28320-32-3
US $35.00 / KG
98%+
Speranza Chemical Co., Ltd.

2,7-Dibromo-9,9-dimethylfluorene
28320-32-3
US $200.00-1.00 / KG
99%, 99.5% Sublimated
Henan Fengda Chemical Co., Ltd

2,7-Dibromo-9,9-dimethylfluorene
28320-32-3
US $10.00 / kg
99%
Hebei Zhuanglai Chemical Trading Co Ltd

2,7-Dibromo-9,9-dimethylfluorene Spectrum

2,7-Dibromo-9,9-dimethylfluorene(28320-32-3)¹HNMR 2,7-Dibromo-9,9-dimethylfluorene(28320-32-3)FT-IR

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9,9-Dimethyl-2,7-dibromofluorenone 2,7-Dibromo-9,9-dimethyl-fluororene 2,7-Dibromo-9,9-dimethylfluorene 9H-Fluorene,2,7-dibromo-9,9-dimethyl- 9,9-Dimethyl-2,7-Dibromofluorene 2,7-Dibromo-9,9-dime 2,7-DibroMo-9,9-diMethylfluorene,9,9-DiMethyl-2,7-dibroMofluorene 9,two 9-Methyl -2,7-broMidefluorene 2,7-Dibromo-9,9-dimethylfluorene> 2,7-Dibromo-9,9-dimethyL 2,7-Dibromo-9,9-dimethylfluorene ISO 9001：2015 REACH 2,7-Dibromo-9,9-dimethylfluoren 2,7-Dibromo-9,9-dimethylflu 2,7-Dibromo-9,9-dimethyl-9H-fluorene 28320-32-3 OLED materials,pharm chemical,electronic Electronic Chemicals Fluorene Derivatives Fluorene Series