中文名 | 硼化镧 |
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英文名 | Lanthanum boride |
中文别名 | 六硼化镧 |
英文别名 |
Lanthanum hexaboride
MFCD00151350 EINECS 234-531-6 |
密度 | 2.61 g/mL at 25 °C(lit.) |
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熔点 | 2530°C |
分子式 | B6La |
分子量 | 203.77200 |
精确质量 | 204.96200 |
外观性状 | powder |
储存条件 | 密封于阴凉干燥处。 |
稳定性 | 遵照规格使用和储存则不会分解。立方晶系,CaB6型结构,空间群Pm3m,a=4.1561A·(4.1571)(1A·=0.1nm,下同) |
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 |
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:2 4.可旋转化学键数量:0 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:7 8.表面电荷:-2 9.复杂度:132 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:2 |
更多 | 1. 性状:蓝至紫色,紫色粉末。 2. 密度(g/mL,20℃):4.76 3. 相对蒸汽密度(g/mL,空气=1):无可用 4. 熔点(ºC):2715 5. 沸点(ºC,常压):无可用 6. 沸点(ºC,5.2kPa): 无可用 7. 折射率: 无可用 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:难溶于水、盐酸 |
Synonym:Lanthanum borid Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. Ingestion: May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Chronic: No information found. 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. 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. Get medical aid immediately. Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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 water spray, dry chemical, carbon dioxide, or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with skin and eyes. 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: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels. Exposure Limits CAS# 12008-21-8: 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: Solid Color: not available Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 2210 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: insoluble Specific Gravity/Density: 2.6100g/cm3 Molecular Formula: B6La Molecular Weight: 203.78 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: None reported. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: None. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 12008-21-8 unlisted. LD50/LC50: Not available. Carcinogenicity: Lanthanum hexaboride, 99% - 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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 12008-21-8: No information available. Canada CAS# 12008-21-8 is listed on Canada's DSL List. CAS# 12008-21-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 12008-21-8 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
生态学数据: 通常对水是不危害的,若无政府许可,勿将材料排入周围环境。
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个人防护装备 | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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危害码 (欧洲) | Xi |
危险品运输编码 | NONH for all modes of transport |
WGK德国 | 3 |