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2,2,7,7-Tetrabromo-9,9-Spirobi[9H-Fluorene]

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Origin: China

Cas No: 128055-74-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
128055-74-3
Other Names:
Cas 128055-74-3
MF:
C25H12Br4
EINECS No.:
N/A
Place of Origin:
Hubei, China
Type:
Pharmaceutical Intermediates
Purity:
99.0%min
Brand Name:
Fortunachem
Model Number:
Fortuna
Application:
Pharm Intermediates and OLED Intermediates
Appearance:
White Powder
Experience:
10 year's manufacture
Molecular Weight:
631.98
Density:
2.12
Boiling point:
633.7℃ at 760 mmHg
Sample:
Available
Packaging&Delivery
Packaging Details
2,2',7,7'-Tetrabromo-9,9'-spirobifluorene Cas 128055-74-3
1kg/foil bag,25kg/drum or as you require
Port
Any port of China

Property

CAS No.: 128055-74-3 Formula: C31H37N7O9S Molecular Weight: 683.73200

Description

2,2',7,7'-Tetrabromo-9,9'-spirobifluorene is used in the preparation of OLEDs using amorphous compounds with spiro-bifluorene core.

Basic Info

Chemical Name	2,2,7,7-Tetrabromo-9,9-Spirobi[9H-Fluorene]
Synonyms	2,2',7,7'-Tetrabromo-9,9'-spirobi[9H-fluorene]; 2,2',7,7'-Tetrabromo-9,9'-spirobi[fluorene]; 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene;
CAS No.	128055-74-3
Molecular Formula	C31H37N7O9S
Molecular Weight	683.73200
PSA	216.82000
LogP	3.81870

Properties

Appearance & Physical State	off-white crystal
Density	2.12g/cm3
Boiling Point	633.7ºC at 760 mmHg
Flash Point	322.5ºC
Refractive Index	1.843
Vapor Pressure	2.83E-15mmHg at 25°C

Safety Info

HS Code	2903999090
Symbol	GHS07
Signal Word	Warning
Hazard Declaration	H302; H319
Caution Statement	P305 + P351 + P338

Synthesis Route

9,9-Spirobi[9H-Fluorene]→2,2,7,7-Tetrabromo-9,9-Spirobi[9H-Fluorene]
2,7-Dibromo-9,9-Spiro-Bifluorene→2,2,7,7-Tetrabromo-9,9-Spirobi[9H-Fluorene]
9-(2-phenylphenyl)fluoren-9-ol→2,2,7,7-Tetrabromo-9,9-Spirobi[9H-Fluorene]

Precursor

9,9-Spirobi[9H-Fluorene]
2,7-Dibromo-9,9-Spiro-Bifluorene
9-(2-phenylphenyl)fluoren-9-ol
2-Aminodiphenyl

Downstream Product

9,9'-spirobi[fluorene]-2,2',7,7'-tetracarbonitrile

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