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二氟乙酸
Difluoroacetic Acid
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4063860 | 1ML | 639 | |||
| 4063860 | 10X1ML | 3520 | |||
| 4063860 | 50ML | 10670 |
产品别名
381-73-7
二氟乙酸
Difluoroacetic Acid
DFA
结构式
基本信息
| Linear Formula【线性分子式】 | F2CHCO2H |
| Molecular weight | 96.03 |
| Beilstein | 1098588 |
| MDL number | MFCD00004220 |
| General description【一般描述】 | Compared to trifluoroacetic acid (TFA), difluoroacetic acid (DFA) exhibits an improved sensitivity in mass spectral detection (ESI) as it has a reduced effect on ion suppression in reversed-phase liquid chromatography (RPLC-MS), while keeping its strong chromatographic performance enhancing effects. |
| Recommended products【推荐产品】 | Discover LiChropur™ reagents ideal for HPLC or LC-MS analysis |
| Legal Information【法律信息】 | LiChropur is a trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Assay【测定】 | ≥97.5% (GC) 97.5-102.5% (T) |
| technique(s) | HPLC: suitable LC/MS: suitable |
| refractive index【折射率】 | n |
| bp | 132-134 ℃ (lit.) |
| mp | −1 ℃ (lit.) |
| density | 1.526 g/mL at 25 ℃ (lit.) |
| cation traces【痕量阳离子】 | Al: ≤5 ppm Ca: ≤20 ppm Cu: ≤5 ppm Fe: ≤2 ppm K: ≤50 ppm Mg: ≤5 ppm Na: ≤50 ppm |
| suitability【适用性】 | passes test for LC-MS |
| SMILES string | OC(=O)C(F)F |
| InChI | 1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6) |
| InChI key | PBWZKZYHONABLN-UHFFFAOYSA-N |
安全信息
| Pictograms【象形图】 | GHS05 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H314 |
| Precautionary Statements | P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Classifications【危险分类】 | Skin Corr. 1B |
| Storage Class Code【储存分类代码】 | 8A - Combustible, corrosive hazardous materials |
| WGK | WGK 3 |
| Flash Point(F)【闪点(F)】 | 172.4 °F - closed cup |
| Flash Point(C)【闪点(C)】 | 78 ℃ - closed cup |
