24646-85-3

• 常用中文名：氮化钒
• 常用英文名：vanadium nitride
• CAS号：24646-85-3
• 分子式：NV
• 分子量：64.94820
• 相关类别： 无机化工 无机盐 氢化物、氮化物、叠氮化物 氮化物
• 发布时间：2018-04-26 08:00:00
• 更新时间：2024-01-05 19:42:43

• 1.氮化钒是比高钒铁更优的炼钢添加剂，用氮化钒作添加剂，氮化钒中的氮成分可促进热加工后钒的沉淀，使沉淀颗粒更细小，从而更好地改善钢的焊接性和成形性。用作硬质合金原料，生产耐磨和半导体薄膜。是新型高效的钒合金添加剂，可用于生产高强度焊接钢筋、非调质钢、高速工具钢、高强度管线钢等高强度低合金钢产品。钒氮合金与钒铁相比能更有效地强化和细化晶粒，比使用钒铁节约30%～50%的钒，对提高钢的强度，降低炼钢成本有很大作用。

  2.用作硬质合金原料，生产耐磨和半导体薄膜。

名称

• 中文名: 氮化钒
• 英文名: azanylidynevanadium
• 英文别名: vanadium nitride; vanadium mononitride; nitridovanadium

物化性质

• 密度: 6.13 g/mL at 25 °C(lit.)
• 熔点: 2320ºC
• 分子式: NV
• 分子量: 64.94820
• 精确质量: 64.94700
• PSA: 23.79000
• LogP: 0.01508
• 外观性状: Powder | black
• 储存条件:

  放入紧密的贮藏器内，储存在阴凉，干燥的地方

• 水溶解性: insoluble H2O; soluble aqua regia [HAW93]
• 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:1

  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23.8

  7.重原子数量:2

  8.表面电荷:0

  9.复杂度:10

  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：黑色立方结晶粉末

  2. 密度（g/mL,25/4℃）：6.13

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：2320

  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,20ºC）：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

  20.电阻率（μΩ·cm）：85;

  21 热导率（W/(m·K)）：11.3;

  22. 体膨胀系数（K^-1）：8.1×10^—6;

  23. 显微硬度（kg/mm2）：1310

MSDS

Section 1: Product Identification Chemical Name:Vanadium nitride (99.5%-V) CAS Registry Number:24646-85-3 Formula:VN EINECS Number:246-382-4 Chemical Family:metal nitride Synonym:none Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound24646-85-3100%no datano data Section 3: Hazards Identification Emergency Overview:May be irritating to skin and eyes and respiratory tract. Primary Routes of Exposure:Ingestion, inhalation Eye Contact:May be a mild to severe irritant to the eyes. Skin Contact:May cause slight to mild irritation of the skin. Inhalation:Do not breath dust. Inhalation of powder may lead to irritation of the respiratory tract. Ingestion:No information on the physiological effects of ingestion. Acute Health Affects:May be irritating to skin, eyes, mucous membranes and respiratory tract. Do not breath dust. Chronic Health Affects:No information available on long-term chronic effects. 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 in Inhalation: 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:no data Autoignition Temperature:no data Explosion Limits:no data Extinguishing Medium:carbon dioxide, dry powder or foam. If involved in a fire, fire fighters should be equipped with NIOSH approved positive pressure self-contained Special Fire Fighting Procedures: breathing apparatus and full protective clothing. Hazardous Combustion andNo hazardous combustion or decomposition products. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and Spill and Leak Procedures: swept up. SECTION 7: Handling and Storage Handling and Storage:Store the material in a tightly sealed container. Keep away from heat. 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. Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood. If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:black powder Molecular Weight:64.95 Melting Point:2320° Boiling Point:no data Vapor Pressure:no data Specific Gravity:6.13 Odor:not determined Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:No hazardous polymerization. Conditions to Avoid:none Incompatibility:oxidizing agents 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):Non-hazardous Hazard Class (CFR):NA Additional Hazard Class (CFR):NA Packaging Group (CFR):NA UN ID Number (CFR):NA Shipping Name (IATA):Non-hazardous Hazard Class (IATA):NA Additional Hazard Class (IATA):NA Packaging Group (IATA):NA UN ID Number (IATA):NA SECTION 15: Regulatory Information TSCA:Listed in the TSCA inventory. SARA (Title 313):See Category Code N770 for reporting. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xn
• 风险声明 (欧洲): 20/21/22
• 安全声明 (欧洲): 36
• WGK德国: 3

合成路线

115858-94-1 ~0% 16969-45-2 24646-85-3

文献：Buckner, Steven W.; Gord, James R.; Freiser Ben S. Journal of the American Chemical Society, 1988 , vol. 110, # 20 p. 6606 - 6612

115858-94-1 ~% 24646-85-3 17440-81-2

文献：Buckner, Steven W.; Gord, James R.; Freiser Ben S. Journal of the American Chemical Society, 1988 , vol. 110, # 20 p. 6606 - 6612

107-10-8 115858-94-1 ~0% 24646-85-3 17033-39-5

文献：Buckner, Steven W.; Gord, James R.; Freiser Ben S. Journal of the American Chemical Society, 1988 , vol. 110, # 20 p. 6606 - 6612

7440-62-2 7664-41-7 ~% 24646-85-3

文献：Ma, Tongmei; Leung; Cheung Journal of Physical Chemistry A, 2004 , vol. 108, # 25 p. 5333 - 5337

7440-62-2 100-63-0 ~% 24646-85-3

文献：Ma, Tongmei; Leung; Cheung Journal of Physical Chemistry A, 2004 , vol. 108, # 25 p. 5333 - 5337

上下游产品

上游产品  5
115858-94-1 107-10-8 7440-62-2 7664-41-7
100-63-0
下游产品  0

制备

1.将化学计量的碳和五氧化二钒充分混合，在氯气气氛中于1250℃下进行还原氮化反应，即可制得氮化钒。也可用氮气-氢气混合气与四氯化钒在1400～1600℃反应制得；或用氨气(NH3)与偏钒酸铵(NH4VO3)在1000～1100℃反应制得。

2.采用还原法。将化学计量的炭和五氧化二钒充分混合，在氮气气氛中于1250℃下进行还原氮化反应，即可制得氮化钒。也可用氮气氢气混合气与四氯化钒在1400～1600℃反应制得；或用氨气（ＮＨ３）与偏钒酸铵（ＮＨ４ＶＯ３）在1000～1100℃反应制得。