- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Coumarandione
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Coumarandione
- Price: ￥3568.0/250mg ￥10518.0/1g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Coumarandione
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4732-72-3
4732-72-3 structure
- Name: Coumarandione
- Chemical Name: 1-benzofuran-2,3-dione
- CAS Number: 4732-72-3
- Molecular Formula: C8H4O3
- Molecular Weight: 148.11600
- Create Date: 2018-02-18 08:00:00
- Modify Date: 2025-08-25 17:54:56
| Name | 1-benzofuran-2,3-dione |
|---|---|
| Synonyms |
2,3-dihydro-2,3-benzo[b]furandione
3-oxobenzofuran-2-one 2,3-Benzofurandione Benzofuran-2,3-dione 2,3-benzofuranedione 2,3-dihydrobenzofuran-2,3-dione benzo[b]furan-2,3-dione Coumarandione |
| Density | 1.444g/cm3 |
|---|---|
| Boiling Point | 278.1ºC at 760 mmHg |
| Melting Point | 120ºC |
| Molecular Formula | C8H4O3 |
| Molecular Weight | 148.11600 |
| Flash Point | 132.9ºC |
| Exact Mass | 148.01600 |
| PSA | 43.37000 |
| LogP | 0.78830 |
| Index of Refraction | 1.612 |
|
~29%
4732-72-3 |
| Literature: Chiang, Yvonne; Gaplovsky, Martin; Kresge, A. Jerry; Leung, King Hung; Ley, Christian; Mac, Marek; Persy, Gabriele; Phillips, David L.; Popik, Vladimir V.; Roedig, Christoph; Wirz, Jakob; Zhu, Yu Journal of the American Chemical Society, 2003 , vol. 125, # 42 p. 12872 - 12880 |
|
~46%
4732-72-3 |
| Literature: Itoh, Takayoshi; Tatsugi, Jiro; Tomioka, Hideo Bulletin of the Chemical Society of Japan, 2009 , vol. 82, # 4 p. 475 - 481 |
|
~%
4732-72-3 |
| Literature: Fries; Hasselbach Chemische Berichte, 1911 , vol. 44, p. 126 |
|
~%
4732-72-3 |
| Literature: Chiang; Kresge; Meng Canadian Journal of Chemistry, 2002 , vol. 80, # 1 p. 82 - 88 |
| Precursor 3 | |
|---|---|
| DownStream 8 | |
![benzo[b]furan-3-carbonyl chloride structure](https://image.chemsrc.com/caspic/396/111964-21-7.png)
