- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3-Bromdihydrofuran-2(3H)-on
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3-Bromdihydrofuran-2(3H)-on
- Price: ￥288.0/100g ￥108.0/25g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2-Bromo-4-butanolide
- 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-Bromo-4-butanolide
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
5061-21-2
5061-21-2 structure
- Name: 3-Bromdihydrofuran-2(3H)-on
- Chemical Name: α-Bromo-γ-butyrolactone
- CAS Number: 5061-21-2
- Molecular Formula: C4H5BrO2
- Molecular Weight: 164.985
- Catalog: Chemical reagent Organic reagent Ester Lactone compound
- Create Date: 2018-03-22 08:00:00
- Modify Date: 2025-08-22 10:03:54
| Name | α-Bromo-γ-butyrolactone |
|---|---|
| Synonyms |
2(3H)-Furanone, 3-bromodihydro-
α-BroMo-γ-butyrolactone MFCD00005387 3-Bromdihydrofuran-2(3H)-on 3-bromodihydrofuran-2(3H)-one alpha-Bromo-gamma-butyrolactone EINECS 225-764-4 3-Bromodihydro-2(3H)-furanone 2-Bromo-4-butanolide |
| Density | 1.8±0.1 g/cm3 |
|---|---|
| Boiling Point | 287.9±0.0 °C at 760 mmHg |
| Molecular Formula | C4H5BrO2 |
| Molecular Weight | 164.985 |
| Flash Point | 111.5±25.4 °C |
| Exact Mass | 163.947281 |
| PSA | 26.30000 |
| LogP | -0.47 |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.529 |
| Storage condition | 2-8°C |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | UN 2810 |
| WGK Germany | 3 |
| Hazard Class | 6.1 |
| HS Code | 29322980 |
|
~72%
5061-21-2 |
| Literature: Journal of Porphyrins and Phthalocyanines, , vol. 14, # 1 p. 89 - 100 |
|
~%
5061-21-2 |
| Literature: Archiv der Pharmazie (Weinheim, Germany), , vol. 315, # 3 p. 241 - 249 |
| Precursor 2 | |
|---|---|
| DownStream 10 | |
![3-[(dimethylamino)methyl]oxolan-2-one structure](https://image.chemsrc.com/caspic/357/42023-17-6.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |