56051-04-8
56051-04-8结构式
- 常用中文名：1,1-双(甲基硒)乙烷
- 常用英文名：1,1-BIS(METHYLSELENO)-ETHANE
- CAS号：56051-04-8
- 分子式：C4H10Se2
- 分子量：216.04200
- 发布时间：2018-09-14 18:42:59
- 更新时间：2024-01-14 12:45:55
| 中文名 | 1,1-双(甲基硒)乙烷 |
|---|---|
| 英文名 | 1,1-bis(methylselanyl)ethane |
| 中文别名 | 1,1-双(甲基锡)-乙烷 |
| 英文别名 |
Acetaldehyd-dimethylselenoacetal
1,1-bis(methylseleno)ethane 1,1-bis-methylselanyl-ethane |
| 沸点 | 198.7ºC at 760 mmHg |
|---|---|
| 分子式 | C4H10Se2 |
| 分子量 | 216.04200 |
| 闪点 | 74ºC |
| 精确质量 | 217.91100 |
| LogP | 1.25690 |
| 折射率 | 1.5835-1.5865 |
| 储存条件 | 密闭于0-6 ºC阴凉干燥环境中 |
| 稳定性 | 遵照规定使用和储存则不会分解。 |
| 分子结构 | 1、摩尔折射率：无可用 2、 摩尔体积（cm3/mol）：无可用 3、 等张比容（90.2K）：无可用 4、 表面张力（dyne/cm）：无可用 5、 极化率：无可用 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:无 2.氢键供体数量:0 3.氢键受体数量:0 4.可旋转化学键数量:2 5.互变异构体数量:无 6.拓扑分子极性表面积0 7.重原子数量:6 8.表面电荷:0 9.复杂度:24.7 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1 |
| 更多 | 1. 性状：无可用 2. 密度（g/mL,25/4℃）：无可用 3. 相对蒸汽密度（g/mL,空气=1）：无可用 4. 熔点（ºC）：无可用 5. 沸点（ºC,常压）：无可用 6. 沸点（ºC,5.2kPa）：无可用 7. 折射率：1.583-1.586 8. 闪点（ºC）：无可用 9. 比旋光度（º）：无可用 10. 自燃点或引燃温度（ºC）：无可用 11. 蒸气压（kPa,25ºC）：无可用 12. 饱和蒸气压（kPa,60ºC）：无可用 13. 燃烧热（KJ/mol）：无可用 14. 临界温度（ºC）：无可用 15. 临界压力（KPa）：无可用 16. 油水（辛醇/水）分配系数的对数值：无可用 17. 爆炸上限（%,V/V）：无可用 18. 爆炸下限（%,V/V）：无可用 19. 溶解性：无可用 |
Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 23/25 33 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed. Danger of cumulative effects.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: No information regarding eye irritation and other potential effects was found. Skin: No information regarding skin irritation and other potential effects was found. Ingestion: The toxicological properties of this substance have not been fully investigated. Inhalation: The toxicological properties of this substance have not been fully investigated. Chronic: Chronic exposure to selenium may cause central nervous system effects, digestive tract disturbances, pallor, garlic breath, Chronic exposure to selenium may cause pallor, garlic breath, metallic taste, anemia, liver and spleen damage. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use agent most appropriate to extinguish fire. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 56051-04-8: United Kingdom, WEL - TWA: (listed as selenium compounds): 0.1 mg TWA (except hydrogen selenide, as Se) United Kingdom, WEL - STEL: (listed as selenium compounds): 0.3 m STEL (except hydrogen selenide, as Se) United States OSHA: 0.2 mg/m3 TWA (as Se) (listed under Selenium compounds). Belgium - TWA: (listed as selenium compounds): 0.2 mg/m3 VLE (as Japan: (listed as selenium compounds): 0.1 mg/m3 OEL (except SeH2 SeF6, as Se) Malaysia: (listed as selenium compounds): 0.2 mg/m3 TWA (as Se) Netherlands: (listed as selenium compounds): 0.1 mg/m3 MAC (as Se Spain: (listed as selenium compounds): 0.1 mg/m3 VLA-ED (except hydrogen selenide, as Se) Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Liquid Color: Not available. Odor: Stench pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C4H10Se2 Molecular Weight: 216.04 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stability unknown. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, selenium/selenium oxides. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 56051-04-8 unlisted. LD50/LC50: Not available. Carcinogenicity: 1,1-Bis(Methylseleno)-Ethane - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S.* Hazard Class: 6.1 UN Number: 2810 Packing Group: II IMO Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2810 Packing Group: II RID/ADR Shipping Name: TOXIC LIQUID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2810 Packing group: II Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: T Risk Phrases: R 23/25 Toxic by inhalation and if swallowed. R 33 Danger of cumulative effects. Safety Phrases: S 20/21 When using do not eat, drink or smoke. S 28A After contact with skin, wash immediately with plenty of water. S 37 Wear suitable gloves. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 56051-04-8: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 56051-04-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 56051-04-8 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
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生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。
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| 危害码 (欧洲) | N-T |
|---|---|
| 风险声明 (欧洲) | R23/25;R33;R50/53 |
| 安全声明 (欧洲) | S20/21-S28-S45-S60-S61 |
| 上游产品 4 | |
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| 下游产品 0 | |