7783-51-9

• 常用中文名：三水氟化镓(III)
• 常用英文名：GALLIUM(III) FLUORIDE
• CAS号：7783-51-9
• 分子式：F₃Ga
• 分子量：126.71800
• 发布时间：2018-07-20 11:31:54
• 更新时间：2024-01-10 17:12:14
• 下载msds

名称

• 中文名: 三氟化镓
• 英文名: Gallium(Iii) Fluoride
• 英文别名: gallium,trifluoride; EINECS 232-004-5; MFCD00011021

物化性质

• 密度: 4.47 g/mL at 25 °C(lit.)
• 沸点: 19.5ºC at 760mmHg
• 熔点: 800ºC
• 分子式: F₃Ga
• 分子量: 126.71800
• 闪点: 1000°C
• 精确质量: 125.92100
• LogP: 0.87980
• 外观性状: 无色针状结晶
• 储存条件:

  干性的保护气体下处置，

  保持贮藏器密封

  放入紧密的贮藏器内，储存在阴凉，干燥的地方

• 稳定性:

  如果遵照规格使用和储存则不会分解

  在100g水中的溶解度为0.002g。稍溶于碱金属氢氧化物水溶液中，但是难溶于稀酸。在空气中稳定，不发生变化。避免接触酸，水分/潮湿

• 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:3

  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:4

  8.表面电荷:0

  9.复杂度:0

  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:4

• 更多:

  1. 性状：无色针状结晶。

  2. 密度（g/mL 25ºC）：4.47

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：950

  5. 沸点（ºC，常压）：1000

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率（n20/D）：未确定

  8. 闪点（ºC，）：1000

  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（25℃）：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(mg/mL)：未确定

MSDS

Section 1: Product Identification Chemical Name:Gallium (III) fluoride trihydrate, 99.5% CAS Registry Number:7783-51-9 Formula:GaF3.3H2O EINECS Number:232-004-5 Chemical Family:metal halide Synonym:Gallium trifluoride Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound7783-51-9100%2.5mg/m3 (as F)2.5mg/m3 (as F) Section 3: Hazards Identification Emergency Overview:Irritating to the respiratory tract, skin and eyes. May be harmful if swallowed. Primary Routes of Exposure:Ingestion, inhalation, skin, eyes Eye Contact:Irritating to the eyes. may cause serious eye damage. Effects may not immediately appear. Skin Contact:Prolonged contact with skin causes irritation. Inhalation:Dust or hydrofluoric acid fumes cause severe irritation to the respiratory tract. Ingestion:May cause salivation, nausea, vomiting, diarrhea, and painful abdominal burns. Irritating to skin, eyes and respiratory tract. Fluoride poisoning may cause nausea, vomiting, diarrhea, Acute Health Affects: weakness, coma, and respiratory paralysis. Product contains fluorine which, under certain conditions of use, decomposition or metabolism, may generate Chronic Health Affects:fluoride ion causing nausea, vomiting, labored breathing, hypocalcaemia, deterioration of bone and tooth structure and kidney and liver damage. 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. Apply calcium gluconate jelly Skin Exposure: or water soluble calcium salts as antidote. Seek medical assistance. 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 required If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained Special Fire Fighting Procedures: breathing apparatus and full protective clothing. Hazardous Combustion andIf involved in a fire this material may emit corrosive hydrogen fluoride fumes. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures To avoid raising dust, small spills can be mixed with powdered sodium bicarbonate, lime, or calcium carbonate Spill and Leak Procedures: and swept up. SECTION 7: Handling and Storage Store material in a tightly sealed bottle away from moisture. If possible, handle material in an efficient fume Handling and Storage: hood. Prolonged exposure to the atmosphere may lead to degradation of 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 appropriate chemical resistant gloves and protective clothing. Ventilation:If possible, handle the material 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: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:white xtl. Molecular Weight:126.72 (180.76) Melting Point:no data Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:contact with moisture Incompatibility:Mineral acids and active metals Decomposition Products:with moisture: hydrofluoric acid and gallium oxides 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):Title compound not listed Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 通常来说对水是不危害的，若无政府许可，勿将材料排入周围环境

安全

• 符号: GHS07
• 信号词: Warning
• 危害声明: H302 + H312 + H332
• 警示性声明: P261-P280-P301 + P312 + P330
• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xn,Xi
• 风险声明 (欧洲): 20/21/22
• 安全声明 (欧洲): 36
• 危险品运输编码: UN3260
• WGK德国: 3
• 包装等级: III

合成路线

7440-55-3 7664-39-3 ~% 7783-51-9

文献：Thermochimica Acta, , vol. 363, # 1-2 p. 55 - 59

7440-55-3 13847-65-9 ~% 7783-51-9

文献：Gupta, O. D.; Kirchmeier, Robert L.; Shreeve, Jean'ne M. Inorganic Chemistry, 1990 , vol. 29, p. 573 - 574

7440-55-3 7664-39-3 7637-07-2 ~% 7783-51-9

文献：Zeitschrift fur Anorganische und Allgemeine Chemie, , vol. 623, # 4 p. 579 - 582

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制备

将金属镓粉末装入镍舟中，镍舟置于镍反应管内，一边导入用氮气稀释的氟化氢气，一边在550℃下加热数小时进行氟化。冷却后，小心取出镍舟，就在金属镓的表面敷上一层白色的结晶物，而无色针状结晶的三氟化镓升华则附着在镍舟的内壁。

如果加热六氟镓酸铵(NH4)3GaF6，就有中间经NH4GaF4、Ga(NH2)F2、Ga(NH)F而生成GaN的趋势。即使在氟气流中加热，也得不到纯三氟化镓。再者，如果在空气中加热，一部分就转变为三氧化二镓。