26475-18-3
26475-18-3结构式
- 常用中文名：4,4'-二甲基八氟联苯
- 常用英文名：4,4'-dimethyloctafluorobiphenyl
- CAS号：26475-18-3
- 分子式：C14H6F8
- 分子量：326.18500
- 发布时间：2018-06-10 10:28:12
- 更新时间：2024-01-05 19:33:25
| 中文名 | 4,4'-二甲基八氟联苯 |
|---|---|
| 英文名 | 1,2,4,5-tetrafluoro-3-methyl-6-(2,3,5,6-tetrafluoro-4-methylphenyl)benzene |
| 中文别名 | 4,4-二甲基八氟联苯 |
| 英文别名 |
4,4′-Dimethyloctafluorobiphenyl
2,2',3,3',5,5',6,6'-octafluoro-4,4'-dimethylbiphenyl MFCD00000314 4,4'-dimethyloctafluorobiphenyl 4,4'-Dimethyloctafluorbiphenyl |
| 密度 | 1.476 g/cm3 |
|---|---|
| 沸点 | 258.9ºC at 760 mmHg |
| 熔点 | 144-148 °C |
| 分子式 | C14H6F8 |
| 分子量 | 326.18500 |
| 闪点 | 92.7ºC |
| 精确质量 | 326.03400 |
| LogP | 5.08320 |
| 外观性状 | 淡米色结晶粉末 |
| 储存条件 | 放入紧密的贮藏器内，储存在阴凉，干燥的地方 |
| 稳定性 | 避免接触强氧化剂 |
| 分子结构 | 1、 摩尔折射率：60.44 2、 摩尔体积（m3/mol）：220.9 3、 等张比容（90.2K）：512.9 4、 表面张力（dyne/cm）：29.0 5、 极化率（10 -24cm 3）：23.96 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:5.1 2.氢键供体数量:0 3.氢键受体数量:8 4.可旋转化学键数量:1 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:22 8.表面电荷:0 9.复杂度:325 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： 未确定 2. 密度（g/mL,25/4℃）：未确定 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：未确定 5. 沸点（ºC,常压）：未确定 6. 沸点（ºC,5.2kPa）：未确定 7. 折射率：未确定 8. 闪点（ºC）：未确定 9. 比旋光度（º）：未确定 10. 自燃点或引燃温度（ºC）：未确定 11. 蒸气压（kPa,25ºC）：未确定 12. 饱和蒸气压（kPa,60ºC）：未确定 13. 燃烧热（KJ/mol）：未确定 14. 临界温度（ºC）：未确定 15. 临界压力（KPa）：未确定 16. 油水（辛醇/水）分配系数的对数值：未确定 17. 爆炸上限（%,V/V）：未确定 18. 爆炸下限（%,V/V）：未确定 19. 溶解性：未确定 |
Synonym:D-Pyroglutamic acid ethyl este Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Inhalation: Causes respiratory tract irritation. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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: Treat symptomatically and supportively. 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use extinguishing media most appropriate for the surrounding fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. Storage: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 26475-18-3: 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: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Solid Color: Not available. Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 149 - 151 deg C Autoignition Temperature: Not applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C14H6F8 Molecular Weight: 326.19 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen fluoride gas. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 26475-18-3 unlisted. LD50/LC50: Not available. Carcinogenicity: 4,4'-Dimethyloctafluorobiphenyl - 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 Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 26475-18-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 26475-18-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 26475-18-3 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 危害码 (欧洲) | Xi: Irritant; |
|---|---|
| 风险声明 (欧洲) | R36/37/38 |
| 安全声明 (欧洲) | S37/39-S26 |
| 海关编码 | 2903999090 |
| 海关编码 | 2903999090 |
|---|---|
| 中文概述 | 2903999090 其他芳烃卤化衍生物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |