- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 9,9-Spirodifluorene-2-Boronic acid pinacol ester
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 9,9-Spirodifluorene-2-Boronic acid pinacol ester
- Price: ￥266.0/250mg ￥3506.0/10g ￥656.0/1g ￥2116.0/5g
- Purity: 97.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 9,9-Spirodifluorene-2-Boronic acid pinacol ester
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
884336-44-1
884336-44-1 structure
- Name: 9,9-Spirodifluorene-2-Boronic acid pinacol ester
- Chemical Name: 4,4,5,5-Tetramethyl-2-(9,9'-spirobi[fluoren]-2-yl)-1,3,2-dioxaborolane
- CAS Number: 884336-44-1
- Molecular Formula: C31H27BO2
- Molecular Weight: 442.356
- Catalog: Pharmaceutical intermediate OLED material intermediate
- Create Date: 2018-12-07 16:03:10
- Modify Date: 2025-08-25 00:30:09
| Name | 4,4,5,5-Tetramethyl-2-(9,9'-spirobi[fluoren]-2-yl)-1,3,2-dioxaborolane |
|---|---|
| Synonyms |
4,4,5,5-Tetramethyl-2-(9,9'-spirobi[fluoren]-2-yl)-1,3,2-dioxaborolane
1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-2-yl)- 9,9'-Spirobi[9H-fluoren]-2-ylboronic acid pinacol ester 2-(9,9'-Spirobi[fluoren]-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 9,9-Spirodifluorene-2-Boronic acid pinacol ester |
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 585.6±29.0 °C at 760 mmHg |
| Melting Point | 248.0 to 252.0 °C |
| Molecular Formula | C31H27BO2 |
| Molecular Weight | 442.356 |
| Flash Point | 308.0±24.3 °C |
| Exact Mass | 442.210419 |
| Vapour Pressure | 0.0±1.6 mmHg at 25°C |
| Index of Refraction | 1.670 |