7784-23-8

• 常用中文名：碘化铝
• 常用英文名：ALUMINUM IODIDE
• CAS号：7784-23-8
• 分子式：AlI₃
• 分子量：407.69500
• 相关类别： 无机化工 无机盐 金属卤化物及卤酸盐 金属碘化物及盐
• 发布时间：2018-05-30 08:00:00
• 更新时间：2024-01-02 17:28:30
• 【用途一】
  在有机反应中用作催化剂

名称

• 中文名: 碘化铝
• 英文名: Aluminum iodide
• 英文别名: MFCD00003427; EINECS 232-054-8; triiodoalumane

物化性质

• 密度: 3.98 g/mL at 25 °C(lit.)
• 沸点: 360 °C(lit.)
• 熔点: 191 °C(lit.)
• 分子式: AlI₃
• 分子量: 407.69500
• 闪点: 360°C
• 精确质量: 407.69500
• LogP: 2.65710
• 外观性状: 粉末
• 蒸汽压: 1 mm Hg ( 178 °C)
• 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

  避免接触光，水分/潮湿，空气

  吸湿性极强，在空气中发烟，加热即分解为碘及氧化铝。在真空中仅升华而不分解。可溶于二硫化碳、乙醇、乙醚。可与四氯化碳、联氨、光气等激烈反应。从液氨可制得AlI3·xNH3等溶剂合物。除此外，也可与硫化氢、二氧化硫、膦等生成溶剂合物。

• 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:0

  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:8

  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：无色结晶。

  2. 密度（g/mL 25ºC）：3.98

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：191

  5. 沸点（ºC，常压）：382

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率（n20/D）：未确定

  8. 闪点（ºC，）：360

  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）：1mm HG

  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)：水：未确定

MSDS

Name: Aluminum Iodide Anhydrous 99.999% Material Safety Data Sheet Synonym: CAS: 7784-23-8 Section 1 - Chemical Product MSDS Name:Aluminum Iodide Anhydrous 99.999% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 7784-23-8 Aluminum Iodide 99.999 232-054-8 Hazard Symbols: C Risk Phrases: 34 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Causes burns.Light sensitive.Air sensitive.Water-reactive. Potential Health Effects Eye: May cause eye irritation and possible burns. Skin: May cause severe skin irritation with possible burns, especially if skin is wet or moist. Ingestion: May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns. Inhalation: May cause severe respiratory tract irritation and possible burns. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed. Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes. Ingestion: Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. 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. Do NOT use mouth-to-mouth resuscitation. 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. Reacts violently with water. Extinguishing Media: Use agent most appropriate to extinguish fire. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Do not get water inside containers. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Store protected from light. Store protected from air. Do not allow contact with water. Storage: Store in a cool, dry place. Store in a tightly closed container. Store protected from light and air. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 7784-23-8: United Kingdom, WEL - TWA: (listed as aluminum, soluble salts): 2 mg/m3 TWA United Kingdom, WEL - STEL: (listed as aluminum, soluble salts): mg/m3 STEL Belgium - TWA: (listed as aluminum, soluble salts): 2 mg/m3 VLE ( Al) France - VME: (listed as aluminum, soluble salts): 2 mg/m3 VME Germany: (listed as aluminum, soluble salts): 2 mg/m3 VME Malaysia: (listed as aluminum, soluble salts): 2 mg/m3 TWA (as Al Spain: (listed as aluminum, soluble salts): 2 mg/m3 VLA-ED (as Al 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: Lumps Color: yellowish-black brown Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 360 deg C Freezing/Melting Point: 191 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: Specific Gravity/Density: 3.980 Molecular Formula: AlI3 Molecular Weight: 407.70 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Combines vigorously with water with the evolution of heat. Conditions to Avoid: Light, exposure to air, exposure to moist air or water. Incompatibilities with Other Materials: Water. Hazardous Decomposition Products: Hydrogen iodide, aluminum oxide. Hazardous Polymerization: Not available. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 7784-23-8 unlisted. LD50/LC50: Not available. Carcinogenicity: Aluminum Iodide - 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 Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.* Hazard Class: 8 UN Number: 3260 Packing Group: III IMO Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S. Hazard Class: 8 UN Number: 3260 Packing Group: III RID/ADR Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S. Hazard Class: 8 UN Number: 3260 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: C Risk Phrases: R 34 Causes burns. Safety Phrases: S 25 Avoid contact with eyes. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 7784-23-8: No information available. Canada CAS# 7784-23-8 is listed on Canada's DSL List. CAS# 7784-23-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 7784-23-8 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对水是稍微危害的，若无政府许可，勿将材料排入周围环境

安全

• 符号: GHS05, GHS07
• 信号词: Danger
• 危害声明: H314-H317
• 补充危害声明: Reacts violently with water.
• 警示性声明: P280-P305 + P351 + P338-P310
• 个人防护装备: Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
• 危害码 (欧洲): C:Corrosive;
• 风险声明 (欧洲): R14;R34;R40;R42/43
• 安全声明 (欧洲): S22-S26-S36/37/39-S45
• 危险品运输编码: UN 3260 8/PG 2
• WGK德国: 3
• 包装等级: II
• 危险类别: 8

合成路线

7553-56-2 7429-90-5 ~94% 7784-23-8

文献：Gil, F. J. Martin; Salgado, M. Aragon; Gil, J. Martin Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry, 1986 , vol. 16, p. 663 - 666

14693-81-3 ~% 14693-80-2 7784-23-8

文献：Ta: MVol.B1, 8.1.2, page 165 - 166

10034-85-2 7429-90-5 ~% 7784-23-8

文献：American Chemical Journal, , vol. 18, p. 99 - 99

7553-56-2 56-81-5 7429-90-5 ~% 1333-74-0 详细

文献：Angewandte Chemie, , vol. 27, p. 152 - 152 Al: MVol.A2, 59, page 418 - 420

上下游产品

上游产品  5
7553-56-2 7429-90-5 14693-81-3 10034-85-2
56-81-5
下游产品  10
507-25-5 7446-70-0 7429-90-5 201230-82-2
7553-56-2 29977-41-1 29646-44-4 7790-99-0
865-44-1 2314-97-8

制备

1.将铝屑与少量碘结晶装入充满二氧化碳的烧瓶中，加热反应。进一步加入碘至残留的少量铝中。使反应生成物在熔融状态下保持一段时间，在氮气流中移至蒸馏烧瓶。用真空泵进一步减压，缓缓蒸馏。为了保护真空泵，使气体经过两个充满活性炭的洗气瓶以除去碘蒸气。

2.将干燥及升华过的碘20g溶于80mL二硫化碳中，溶液与3.5g的薄铝片一起装入带有回流器的烧瓶中，进行加热。反应结束时，将混合物过滤分离，滤液在水浴上加热蒸馏，以除去大部分二硫化碳。令浓缩后的残余物冷却，即析出碘化铝结晶。将结晶吸滤分离，用己烷洗涤，在100℃下干燥。生成物带有黄褐色。