2-溴-2-丁烯酸甲酯
Methyl 2-bromo-2-butenoate
产品价格
| 产品编号 | 品牌 | 包装单位 | 单价(元) | 现货 |
| 3110514 | Sigma-Aldrich | 5 ML | 1980 | 请咨询 |
结构式
 |
基本信息
| Linear Formula【线性分子式】 | CH3CH=CBrCOOCH3 |
| Molecular weight | 179.01 |
| Beilstein | 1700999 |
| EC number【EC 号】 | 241-627-1 |
| MDL number | MFCD00042891 |
| PubChem Substance ID【PubChem化学物质编号】 | 57647571 |
| NACRES | NA.22 |
| General description【一般描述】 | Methyl 2-bromo-2-butenoate(Methyl (Z)-2-bromocrotonate) yields (S)-2-bromobutanoic acid by baker′s yeast fermentation. It undergoes biotransformation catalyzed by old yellow enzyme to yield methyl (S)-2-bromobutanoate, a key intermediate for the synthesis of chiral drugs. It is a biannelating reagent which participates in double Michael-additions. |
产品性质
| Assay【测定】 | ≥95.0% (GC) |
| refractive index【折射率】 | n |
| bp | 178-182 ℃ (lit.) |
| density | 1.505 g/mL at 20 ℃ (lit.) |
| storage temp.【储存温度】 | 2-8℃ |
| SMILES string | COC(=O)C(Br)=CC |
| InChI | 1S/C5H7BrO2/c1-3-4(6)5(7)8-2/h3H,1-2H3 |
| InChI key | DMKWWKUPZZAUQL-UHFFFAOYSA-N |
| packaging【包装】 | 5 mL in glass bottle |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H315 - H319 - H335 |
| Precautionary Statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 |
| Target Organs【靶器官】 | Respiratory system |
| Storage Class Code【储存分类代码】 | 10 - Combustible liquids |
| WGK | WGK 3 |
| Flash Point(F)【闪点(F)】 | 145.4 °F - closed cup |
| Flash Point(C)【闪点(C)】 | 63 ℃ - closed cup |
| Personal Protective Equipment【个人防护装备】 | Eyeshields, Gloves, type ABEK (EN14387) respirator filter |