Osmium(VIII) oxide 氧化锇
CAS 20816-12-0 MFCD00011150
化学结构图
SMILES: O=[Os](=O)(=O)=O
化学属性
| Mol. Formula | OsO4 |
|---|---|
| Mol. Weight | 254.23 |
| Boiling Point | 130 °C(lit.) |
| Melting Point | 39.5-41 °C(lit.) |
| Solubility | Soluble in chloroform, alcohol and ethers |
| TSCA | No |
| Vapor Density | 8.8 (vs air) |
| Vapor Pressure | 7 mmHg ( 20 °C) |
| Density | 1.0 g/mL at 20 °C |
| Appearance | pale yellow xtl. colorless liq. black solid |
别名和识别编码
| Chemical Name | Osmium(VIII) oxide |
|---|---|
| Synonym | osmium (VIII) oxide 四氧化锇 溶液 聚(4-乙烯吡啶) 负载四氧化锇 Osmium(VIII)-tetroxide Osmium(VIII)-oxid 四氧化锇，负载于 ~1%（重量百分比）聚(4-乙烯吡啶) 聚(4-乙烯吡啶) 负载氧化锇(VIII) Osmiumsäure Osmium tetraoxide Osmium oxide 微胶囊包封四氧化锇 Osmic acid Osmium(IV) oxide Tetraoxoosmium 四氧化锇; 锇酸酐 Osmiumtetraoxid Osmium oxide (OsO4), (T-4)- osmic acid Milas' reagent Osmium(VIII) oxide OsO4 Osmium tetroxide Reagents, Milas' “锇酸" 氧化锇(VIII) 四氧化锇 Osmiumtetroxid |
| CAS Number | 20816-12-0 |
| PubChem Substance ID | 57652577 |
| EC Number | 244-058-7 |
| MDL Number | MFCD00011150 |
| Merck Number | 14,6893 |
| Chemical Name Translation | 氧化锇 |
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分类
- {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Solutions and Reagents, Osmium, Oxidizing Agents, Reagent Grade, Research Essentials, Synthetic Reagents
- {SNA} Cell Biology, Chemical Synthesis, Hematology and Histology, Materials Science, Metal and Ceramic Science,
相关文献及参考
- H2O2: J. Am. Chem. Soc., 58, 1302 (1936); 59, 2345 (1937); NaIO4: J. Org. Chem., 21, 478 (1956); tert-BuOOH in the presence of Bu4NOH or Bu4NOAc: J. Am. Chem. Soc., 98, 1986 (1976); J. Org. Chem., 43, 2063 (1978); Trimethylamine N-oxide in pyridine, permitting the dihydroxylation of hindered double bonds: Tetrahedron Lett., 21, 449 (1980); N-Methylmorpholine-N-oxide (NMMO): Tetrahedron Lett., 1973 (1976); for examples using this system, with <;1% catalyst, see: Org. Synth. Coll., 6, 342 (1988). Possible overoxidation of the diol can be avoided by trapping with Benzeneboronic acid, A14257: Chem. Lett., 1721 (1988). Recyclable systems for Os, utilizing the ionic liquids 1-Ethyl-3-methylimidazolium tetrafluoroborate, L19763: Tetrahedron Lett., 43, 6849 (2002), or 1-n-Butyl-3-methylimidazolium hexafluorophosphate, L19086, and DMAP: Org. Lett., 4, 2197 (2002), have been reported to give excellent results. In conjunction with NaIO4, oxidative cleavage of alkenes can be effected. For an improved procedure, see: Org. Lett., 6, 3217 (2004).
- Reagent for the cis-dihydroxylation of double bonds via cyclic osmate esters. Reviews: Synthesis, 229 (1974); Chem. Rev., 80, 187 (1980). Because of the cost and toxicity of the osmium compounds, various co-oxidants have been used to regenerate the reagent, including:
- Sharpless and others have developed techniques for catalytic asymmetric dihydroxylation (ADH), in the presence of chiral amines such as dihydroquinidine, with NMMO as stoichiometric oxidant: J. Am. Chem. Soc., 102, 4263 (1980); 110, 1968 (1988); for practical details (stilbene to (R,R)-stilbenediol), see: Org. Synth. Coll., 9, 383 (1998). For
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安全信息
GHS Symbol
- H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
- H301+H311
- H330 Fatal if inhaled 吸入致命
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled 吸入可能导致过敏或哮喘症状或呼吸困难
- H351 Suspected of causing cancer 怀疑致癌
- H331 Toxic if inhaled 吸入中毒
- H311 Toxic in contact with skin 皮肤接触中毒
- H301 Toxic if swallowed 吞食有毒
- H315 Causes skin irritation 会刺激皮肤
- H312 Harmful in contact with skin 皮肤接触有害
- H318 Causes serious eye damage 严重伤害眼睛
- H310 Fatal in contact with skin 皮肤接触致命
- H300 Fatal if swallowed 吞食致命
- P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
- P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P301+P310
- P284 Wear respiratory protection.? 佩戴呼吸保护装置。
- P302+P350
- P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
- P303+P361+P353
- P301+P310+P330
- P304+P340+P310
- P305+P351+P338
- P342+P311
- P403+P233
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P311 Call a POISON CENTER or doctor/physician. 呼叫解毒中心或医生/医师。
- P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
- S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
- S7/9 Keep container tightly closed and in a well-ventilated place 保持容器严格密闭，置于通风良好的场所；
- S27 Take off immediately all contaminated clothing 立即脱掉全部污染的衣服；
- S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
- S17 Keep away from combustible material 远离可燃物料；
- S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
- S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后，立即用大量…（由生产厂家指定）冲洗；
- R8 Contact with combustible material may cause fire 遇到易燃物会导致起火
- R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
- R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入，皮肤接触及吞食都有毒
- R26/27/28 Very toxic by inhalation, in contact with skin and if swallowed 吸入，皮肤接触及吞食都有剧毒
- R34 Causes burns 会导致灼伤
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- R22 Harmful if swallowed 吞咽有害
- R11 Highly flammable 非常易燃
- R19 May form explosive peroxides 可能生成易爆的过氧化物质
- R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
