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4-二甲基氨基-4′-硝基苯乙烯
4-Dimethylamino-4′-nitrostilbene
产品别名
2844-15-7
4-二甲基氨基-4′-硝基苯乙烯
4-Dimethylamino-4′-nitrostilbene
DANS
N,N-Dimethyl-4′-nitro-4-stilbenamine
结构式
基本信息
| Linear Formula【线性分子式】 | (CH3)2NC6H4CH=CHC6H4NO2 |
| Molecular weight | 268.31 |
| Beilstein | 1379389 |
| MDL number | MFCD00041877 |
| PubChem Substance ID【PubChem化学物质编号】 | 57649889 |
| NACRES | NA.32 |
| Application【应用】 | 4-Dimethylamino-4′-nitrostilbene (DANS, DMANS) may be used as a proton/acid indicator and physical chemistry probe to study state energy and photoexcitation dynamics of molecules. |
| Other Notes【其他说明】 | Standard for the correction of emission of fluorescence spectrometers |
产品性质
| Assay【测定】 | ≥99.8% (T) |
| mp | 256-259 ℃ (lit.) 256-259 ℃ |
| fluorescence【荧光】 | λex 500 nm; λem ~700 nm in methylene chloride |
| SMILES string | CN(C)c1ccc(\C=C\c2ccc(cc2)[N+]([O-])=O)cc1 |
| InChI | 1S/C16H16N2O2/c1-17(2)15-9-5-13(6-10-15)3-4-14-7-11-16(12-8-14)18(19)20/h3-12H,1-2H3/b4-3+ |
| InChI key | NVLSIZITFJRWPY-ONEGZZNKSA-N |
| packaging【包装】 | 500 mg 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】 | 11 - Combustible Solids |
| WGK | WGK 3 |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Gloves |
