15280-55-4

• 常用中文名：醋酸镝四水合物
• 常用英文名：Dysprosium acetate hexahydrate
• CAS号：15280-55-4
• 分子式：C₂H₅DyO₃++
• 分子量：239.55900
• 发布时间：2018-06-10 18:10:09
• 更新时间：2024-01-06 18:39:32
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名称

• 中文名: 乙酸镝(III)水合物
• 英文名: dysprosium(III) acetate tetrahydrate
• 中文别名: 醋酸镝(III)
• 英文别名: DYSPROSIUM ACETATE; DYSPROSIUM(III)ACETATETETRAHYDRATE; DYSPROSIUM ACETATE HYDRATE; DYSPROSIUM (III) ACETATE; Dysprosium(III) acetate tetrahydrate; (0470) DYSPROSIUM (III) ACETATE; MFCD00013033; DYSPROZIUM (III) ACETATE HYDRATE

物化性质

• 熔点: 120℃
• 分子式: C₂H₅DyO₃++
• 分子量: 239.55900
• 精确质量: 240.95300
• PSA: 49.36000
• 储存条件: 室温，密封
• 稳定性:

  易溶于水，难溶于乙醇，不溶于乙醚。

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:4

  3.氢键受体数量:10

  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124

  7.重原子数量:17

  8.表面电荷:0

  9.复杂度:25.5

  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:8

• 更多:

  1.性状：黄色针状晶体。

  2.密度（g/mL,25/4℃）：未确定

  3.相对蒸汽密度（g/mL,空气=1）：未确定

  4.熔点（ºC）：120

  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,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：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

MSDS

Section 1: Product Identification Chemical Name:Dysprosium (III) acetate hydrate (99.9%-Dy) (REO) CAS Registry Number:15280-55-4 Formula:Dy(OOCCH3)3.XH2O EINECS Number:none Chemical Family:metal acetate salt Synonym:Acetic acid, dysprosium(+3) salt, hydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound15280-55-4100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to skin, eyes and respiratory tract. Primary Routes of Exposure:Ingestion, Inhalation of dust. Eye Contact:Causes slight to mild irritation of the eyes. Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Irritating to the nose, mucous membranes and respiratory tract. Ingestion:No information on the physiological effects of ingestion. Acute Health Affects:Irritating to skin, eyes and respiratory tract. 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 Inhalation: in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. Ingestion:Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). SECTION 5: Fire Fighting Measures Flash Point:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:carbon dioxide, dry powder or foam 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 toxic organic fumes. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards. SECTION 6: Accidental Release Measures Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up. SECTION 7: Handling and Storage Handling and Storage:Store in a sealed container. Keep away from heat and moisture. 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:Material may form a fine dust. 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: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:white pwdr. Molecular Weight:339.6 Melting Point:120° dec. Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data Odor:none Solubility in Water:soluble SECTION 10: Stability and Reactivity Stability:air and moisture stable solid Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:none Incompatibility:oxidizing agents Decomposition Products:Carbon dioxide, carbon monoxide, organic vapors, and metal oxides and carbonates. SECTION 11: Toxicological Information RTECS Data:No specific information available on this product. Carcinogenic Effects:No data available Mutagenic Effects:No data available Tetratogenic Effects:No data available 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:Not listed in the TSCA inventory. SARA (Title 313):Title Compound not listed. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26;S36/S37/S39

制备

取氧化镝10g溶于500mL的50%醋酸水溶液中，加热使氧化镝溶解，若有不溶物经过滤得清液，再将此水溶液置于75℃的水浴上加热，以蒸去大部分水，待结晶析出即可滤集，将晶体置于结晶皿中，放入装有氢氧化钠和高氯酸镁的真空干燥器中，抽真空干燥即得四水醋酸镝。