- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3,5-Dibromo-2H-pyran-2-one
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3,5-Dibromo-2H-pyran-2-one
- Price: ￥15436.0/5g ￥5036.0/1g ￥1256.0/100mg ￥2016.0/250mg
- Purity: 97.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3,5-Dibromo-2H-pyran-2-one
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
19978-41-7
19978-41-7 structure
- Name: 3,5-Dibromo-2H-pyran-2-one
- Chemical Name: 3,5-Dibromo-2H-pyran-2-one
- CAS Number: 19978-41-7
- Molecular Formula: C5H2Br2O2
- Molecular Weight: 253.87600
- Create Date: 2019-01-02 17:47:00
- Modify Date: 2025-09-15 12:24:34
| Name | 3,5-Dibromo-2H-pyran-2-one |
|---|---|
| Synonyms |
3,5-dibromopyran-2-one
2,5-dibromo-2,4-dinitrothiophene 2,5-dibromo-3,4-dinitrothiophen 3,5-dibromo-2-pyrone 2,5-Dibromo-3,4-dinitro-thiophene 2,5-dibromo-2-pyrone 2,5-Dibrom-3,4-dinitro-thiophen |
| Density | 2.411g/cm3 |
|---|---|
| Boiling Point | 230.2ºC at 760 mmHg |
| Molecular Formula | C5H2Br2O2 |
| Molecular Weight | 253.87600 |
| Flash Point | 93ºC |
| Exact Mass | 251.84200 |
| PSA | 30.21000 |
| LogP | 2.16480 |
| Vapour Pressure | 0.0667mmHg at 25°C |
| Index of Refraction | 1.675 |
| HS Code | 2932999099 |
|---|
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |