硼化镧

硼化镧 基本信息
CAS号 12008-21-8 分子式 B6La
分子量 203.77760 精确质量 　204.96219
PSA 　0.00000 LogP 　-2.28480
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目录
基本信息 制备方法与用途 物化性质 安全信息 毒性 MSDS 结构与计算数据

基本信息 展开↓

CAS号：
12008-21-8
分子式：
B6La
分子量：
203.77760
中文名称：
硼化镧
英文名称：
Lanthanum boride (LaB6), (OC-6-11)-
中文别名：
硼化镧;
calcium hexaboride;
Calcium boride;
Boric acid (H2B4O7), diammonium salt;
Diammonium borate ((NH4)2B4O7);
Ammonium boron oxide ((NH4)2B4O7);
diammonium tetraborate;
boranolate, oxo-, ammonium salt;
Trichlorobencenos [Spanish];
*Chlorobenzens;
Trichlorobenzene;
MuscovitepotassiumMICA;
Muscovite;
Transferrin, Holo, Bovine Plasma;
Transferrin, Holo, TC Grade, Pyrogen-Free, Human Plasma;
transferrin from bovine serum;
Transferrin;
Copper oxyquinolate;
Copper quinolate;
Culinate;
Cunilate 2472;
Dokirin;
Dokivin;
Dormycin;
Fruitdo;
Milmer;
Milmer 1;
Oxine-copper;
Copper 8-quinolinolate;
copper(2+) 8-hydroxyoctahydro-2H-quinolin-1-ide 8-hydroxy-2H-quinolin-1-ide (1:1:1);
quinolin-8-ol - copper (2:1);
copper(2+) diquinolin-8-olate;
copper(2+) bis(8-hydroxyquinoline-2-carboxylate);
8-Quinolate;
8-hydroxyquinoline, copper(ii) salt
英文别名：
Lanthanum boride (LaB6), (OC-6-11)-;
Lanthanum boride (LaB6) (6CI,8CI);
Alfa 43100;
KHDS 6;
KHF 7;
KHGS 02;
LaB6-F;
Lanthanum boride;
Lanthanum hexaboride;
Lanthanum hexaboride (LaB6)
精确分子量/精确质量：
204.96219
极性分子表面积/PSA：
0.00000
油水分配系数/LogP：

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值，反映了物质在油水两相中的分配情况。其中、LogP值越大，说明该物质越亲油；反之，LogP值越小，则说明该物质越亲水。
贝尔斯坦号/MDL：
MFCD00151350
EINECS：
234-531-6
PubChem：
24854496
InChI：
InChI=1/B6.La/c1-2-5(1)3-4(5)6(1,2)3;/q-2;+2

生产制备方法及用途展开↓

制备方法

按化学计量混合搅拌少量的氧化镧、硼和炭黑粉末(总共约1g)直至均匀,把反应物压成薄片[1in(1in=0 0254m)×1/2in×1/16in]。薄片装入1.5in高、直径1.7in的石墨坩埚中。后者又放入更大的石墨坩埚中(4in高、直径),通入氢气,在1500℃加热2h或在1800℃加热1h。

合成制备方法

按化学计量混合搅拌少量的氧化镧、硼和炭黑粉末(总共约1g)直至均匀，把反应物压成薄片［1in（1in=00254m）×1/2in×1/16in］。薄片装入1.5in高、直径1.7in的石墨坩埚中。后者又放入更大的石墨坩埚中（4in高、直径），通入氢气，在1500℃加热2h或在1800℃加热1h。

用途简介

用途十分广泛,已成功应用于雷达航空航天、电子工业、仪表仪器、医疗器械、家电冶金、环保等二十余个军事和高科技领域。其系列产品主要包括三种粉末、多晶体、单晶体。特别是六硼化镧单晶,是制作大功率电子管、磁控器、电子束、离子束、加速器阴极的最佳材料。

用途

用途十分广泛，已成功应用于雷达航空航天、电子工业、仪表仪器、医疗器械、家电冶金、环保等二十余个军事和高科技领域。其系列产品主要包括三种粉末、多晶体、单晶体。特别是六硼化镧单晶，是制作大功率电子管、磁控器、电子束、离子束、加速器阴极的最佳材料。

物化性质展开↓

密度：
2.61 g/mL at 25 °C(lit.)
熔点：
2530°C
存储条件/存储方法：

密封于阴凉干燥处。

 

 

稳定性相关：

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)

其它信息：

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

安全信息展开↓

WGK_Germany：
3
德国有关水污染物质的分类清单

毒理性展开↓

生态数据：

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。

MSDS 展开↓

Name: Lanthanum hexaboride 99% Material Safety Data Sheet
Synonym: Lanthanum borid
CAS: 12008-21-8
Section 1 - Chemical Product   MSDS Name:Lanthanum hexaboride 99% Material Safety Data Sheet
Synonym:Lanthanum borid
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
12008-21-8 Lanthanum hexaboride, 99% 99% 234-531-6
Hazard Symbols: None Listed.
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

分子结构与计算化学数据展开↓

分子结构数据

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

计算化学数据

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

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