13478-45-0

• 常用中文名：溴化铌(V)
• 常用英文名：niobium bromide
• CAS号：13478-45-0
• 分子式：Br₅Nb
• 分子量：492.42600
• 发布时间：2018-09-21 12:26:48
• 更新时间：2024-01-09 11:39:26

名称

• 中文名: 5-溴化铌 98
• 英文名: niobium bromide
• 中文别名: 5-溴化铌
• 英文别名: niobium fluoride; niobium pentafluoride; DSSTox_CID_6563; oleic acid diethanolamide; niobium pentabromide; oleic diethanolamide; Oleic acid diethanolamine condensate; EINECS 236-778-5; oleoyl diethanolamide

物化性质

• 沸点: 361,6ºC
• 熔点: 150ºC
• 分子式: Br₅Nb
• 分子量: 492.42600
• 精确质量: 487.49800
• LogP: 4.22800
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。在水中发生分解。

• 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）：无可用

  2、 氢键供体数量：0

  3、 氢键受体数量：5

  4、 可旋转化学键数量：0

  5、 拓扑分子极性表面积（TPSA）：0

  6、 重原子数量：6

  7、 表面电荷：0

  8、 复杂度：0

  9、 同位素原子数量：0

  10、 确定原子立构中心数量：0

  11、 不确定原子立构中心数量：0

  12、 确定化学键立构中心数量：0

  13、 不确定化学键立构中心数量：0

  14、 共价键单元数量：6

• 更多:

  1. 性状：紫蓝色的结晶。

  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）：150

  5. 沸点（ºC,常压）：270

  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：在水中发生分解。

MSDS

Section 1: Product Identification Chemical Name:Niobium (V) bromide (99.9%-Nb) CAS Registry Number:13478-45-0 Formula:NbBr5 EINECS Number:236-778-5 Chemical Family:metal halide Synonym:Niobium pentabromide, Columbium pentabromide Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound13478-45-0100%no datano data Section 3: Hazards Identification With moisture, this material becomes a strong, corrosive acid. The liquid and its vapor are extremely corrosive Emergency Overview: to skin, eyes, mucous membranes and respiratory tract. Primary Routes of Exposure:Ingestion, inhalation, eyes and skin Eye Contact:Severe corrosive to the eyes. Exposure can lead to permanent eye damage. Skin Contact:Corrosive to skin. Contact can lead to redness, pain, blistering, ulceration, and scar formation. Material releases corrosive fumes. Severe burning of the mucous membranes and lungs. Pulmonary edema Inhalation: may occur. Product is a highly corrosive acid. Ingestion may cause pain, vomiting, burns of mouth and throat, and Ingestion: ulceration of gastrointestinal tract. Acute Health Affects:Severe corrosive to eyes, skin, mucous membranes and respiratory tract. Ingestion may be fatal. Repeated or prolonged exposure to bromides by any route may cause skin rashes (bromaderma) and central Chronic Health Affects: nervous system depression, including ataxia, psychoses, memory loss, irritability, and headache. NTP:No IARC:No OSHA:No SECTION 4: First Aid Measures Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need Eye Exposure: assistance in keeping their eye lids open. Get immediate medical attention. Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if Skin Exposure: irritation persists. Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty Inhalation: in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce Ingestion: vomiting only if directed by medical personnel. SECTION 5: Fire Fighting Measures Flash Point:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:None. Material is non-flammable. If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure Special Fire Fighting Procedures: self-contained breathing apparatus and full protective clothing. Hazardous Combustion andnone Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Small spills can be mixed with powdered sodium bicarbonate, lime, or calcium carbonate and swept up. Avoid Spill and Leak Procedures: raising dust. SECTION 7: Handling and Storage Store solid in a tightly sealed container away from moisture. Handle in a fume hood under a dry atmosphere of Handling and Storage: air or nitrogen. Prolonged exposure to the atmosphere may degrade the product. SECTION 8: Exposure Controls and Personal Protection Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory. Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove. Ventilation:The solid may form corrosive vapors. It should be handled in an efficient fume hood. If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators Respirator: requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:The solid may form corrosive vapors. It should be handled in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:-100 mesh reddish-brown pwdr. Molecular Weight:492.49 Melting Point:150° Boiling Point:361.6°C Vapor Pressure:no data Specific Gravity:no data Odor:pungent odor Solubility in Water:reacts with water SECTION 10: Stability and Reactivity Stability:moisture sensitive Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:contact with moisture Incompatibility:water, mineral acids and active metals Decomposition Products:none SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:no data Mutagenic Effects:no data Tetratogenic Effects:no data SECTION 12: Ecological Information Ecological Information:No information available SECTION 13: Disposal Considerations Disposal:Dispose of according to local, state and federal regulations. SECTION 14: Transportation Shipping Name (CFR):Corrosive solids, N.O.S. Hazard Class (CFR):8 Additional Hazard Class (CFR):NA Packaging Group (CFR):I UN ID Number (CFR):UN# 1759 Shipping Name (IATA):Corrosive solid, N.O.S. Hazard Class (IATA):8 Additional Hazard Class (IATA):NA Packaging Group (IATA):I UN ID Number (IATA):UN# 1759 SECTION 15: Regulatory Information TSCA:Listed in the TSCA inventory. SARA (Title 313):Title compound not listed. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

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。

安全

• 危害码 (欧洲): C: Corrosive;
• 风险声明 (欧洲): R20/21/22
• 安全声明 (欧洲): 26-27-28-36/37/39-45
• 危险品运输编码: UN 3260 8/PG 2
• 包装等级: III

合成路线

15752-41-7 ~% 13478-45-0

文献：Gmelin Handbook: Nb: MVol.B1, 107, page 229 - 232

10026-12-7 10294-33-4 ~% 13478-45-0

文献：Gmelin Handbook: Nb: MVol.B1, 89, page 190 - 192

16924-03-1 7727-15-3 ~% 13478-45-0

文献：Gmelin Handbook: Nb: MVol.B1, 109, page 234 - 236

10026-12-7 75-26-3 ~76% 13478-45-0

文献：Calderazzo, Fausto; Pallavicini, Piersandro; Pampaloni, Guido; Zanazzi, Pier Francesco Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1990 , # 9 p. 2743 - 2746

52757-79-6 ~% 352-93-2 13478-45-0

文献：Fairbrother, F.; Nixon, J. F. Journal of the Chemical Society, 1962 , p. 150 - 156 Full Text View citing articles Show Details Gmelin Handbook: Nb: MVol.B4, 41.2.6.10.1, page 462 - 463

7783-68-8 7789-60-8 ~% 13478-45-0

文献：Gmelin Handbook: Nb: MVol.B1, 62, page 138 - 140

上下游产品

上游产品  9
15752-41-7 10026-12-7 10294-33-4 16924-03-1
7727-15-3 75-26-3 52757-79-6 7783-68-8
7789-60-8
下游产品  2
507-16-4 13779-92-5

制备

先装配成如图V-3所示的装置。

图V-3 五溴化铌的合成装置

1--辅助接受管；2--产物；3--外热器；4--Br2；5--N2

其中高温加热部分可采用高硼硅酸耐热玻璃或石英玻璃，而硼硅酸玻璃部分则用磨口连接。如不处于反应产物沸点以上的温度，则会堵塞系统，故其通路可用卷成螺旋形的加热器或将镍铬丝缠在石棉上进行加热。另用倒立的1L锥形烧瓶当作旋风分离器，将上述加热器的端部与该烧瓶熔接起来。而在旋风分离器的下端，则与当作接受器用的磨口圆底烧瓶相接。接受器的磨口最好不涂润滑脂，故应采用不涂润滑脂磨口或采用聚四氟乙烯套管为宜。按图的方式组装后，将金属铌粉放入反应管中并使其位于加热部位，如有必要也可用试料舟。反应管用氮气或氩气充满后，在通风柜中将溴充入分液漏斗里，出口的加热器升温至产物沸点以上后，装上分液漏斗，此时再用氮气(或氩气)预先清洗系统内部，将溴滴入捕集器至一半左右。使氮气流量为500～600mL/min，并将溴气导入金属铌上。由于溴的气化热使捕集器冷却，故可在敞口烧杯中用温水进行加热。如捕集器中溴量减少，则可从分液漏斗中再次加入。重复进行此操作，直至溴用完为止，然后用氮气逐出剩余的溴，将接受器迅速卸下并加塞。