Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,7-Dibromo-9,9'-spiro-bifluorene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2,7-Dibromo-9,9'-spiro-bifluorene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

171408-84-7

171408-84-7 structure

171408-84-7 structure

Name: 2,7-Dibromo-9,9'-spirobifluorene
Chemical Name: 2,7-Dibromo-9,9-Spiro-Bifluorene
CAS Number: 171408-84-7
Molecular Formula: C₂₅H₁₄Br₂
Molecular Weight: 474.187
Catalog: Pharmaceutical intermediate OLED material intermediate
Create Date: 2018-07-17 19:30:51
Modify Date: 2026-07-01 22:31:51

Name	2,7-Dibromo-9,9-Spiro-Bifluorene
Synonyms	2,7-Dibromo-9,9'-spiro-bifluorene M8917 2,7-dibroMo -9,9-screwtwo fluorene 9,9′-Spirobi[9H-fluorene],2,7-dibromo 2,7-Dibromo-9,9′-spirobifluorene 2′,7′-dibromo-9,9′-spirobifluorene 2,7-Dibromo-9,9-spiro-bifluorene 2,7-Dibromo-9,9'-spiro-bifluorene ISO 9001：2015 REACH 2,7-Dibromo-9,9'-spirobi[fluorene] 2,7-Dibromo-9,9-spriobifluorene 2,7-dibroMo-9,9'-Spirobi[9H]-fluorene (DBSBF) 2,7-Dibromo-9,9'-spirobi[9H-fluorene]> 2,7-Dibromo-9,9'-spirobifL 2,7-Dibromo-9,9'-sp 2,7-DibroMo-9,9'-spirobi[9H-fluorene] 2',7'-dibromo-9,9'-spirobi[fluorene] 2,7-Dibromo-9,9'-spirobi[9H-fluorene 2,7-Dibromo-9,9'-spirofluorene 2,7-Dibromo-9,9′-spiro-bifluorene 2,7-DIBROMO-9,9''-SPIRO-BIFLUOROENE

Density	1.7±0.1 g/cm3
Boiling Point	557.4±50.0 °C at 760 mmHg
Molecular Formula	C₂₅H₁₄Br₂
Molecular Weight	474.187
Flash Point	335.1±29.4 °C
Exact Mass	471.946198
LogP	8.04
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.804

Hazard Codes	Xn
RIDADR	NONH for all modes of transport
HS Code	2903999090

Precursor 10
171408-85-8 14348-75-5 2052-07-5 6344-61-2
82214-69-5 86-73-7 86-00-0 16433-88-8
2113-51-1 90-41-5
DownStream 2
128055-74-3 876173-76-1

HS Code	2903999090
Summary	2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.