14221-06-8

• 常用中文名：乙酸钼(II)二聚体
• 常用英文名：Molybdenum(II) acetate dimer
• CAS号：14221-06-8
• 分子式：C₈H₁₂Mo₂O₈
• 分子量：428.09600
• 相关类别： 有机原料 有机金属类化合物 有机钪、钽、铊、钨、锑、镧、铅、钒、钼、铬、镱等
• 发布时间：2018-08-22 11:18:57
• 更新时间：2024-01-04 19:00:28
• 下载msds

名称

• 中文名: 乙酸钼(II)二聚体
• 英文名: molybdenum(2+),tetraacetate
• 中文别名: 乙酸钼二聚体
• 英文别名: MFCD00013395; tetra (aceto) dimolybdenum; Mo2(CH3COO)4; EINECS 238-089-5; Di-molybdenum tetraacetate; Molybdenum(II) acetate; Dimolybdenum tetraacetate; Molybdenum(II) acetate dimer; molybdenum(2+) tetraacetate; molybdenum(2+) acetate(1:2); Mo2(acetate)4

物化性质

• 沸点: 117.1ºC at 760 mmHg
• 分子式: C₈H₁₂Mo₂O₈
• 分子量: 428.09600
• 精确质量: 431.86400
• PSA: 105.20000
• LogP: 0.05520
• 外观性状: 黄色针状
• 蒸汽压: 13.9mmHg at 25°C
• 储存条件:

  常温密闭避光，通风干燥

• 稳定性:

  常温常压下稳定

  避免的物料： 氧化物。遇热稳定，但在真空中于300℃可升华。微溶于丙酮和四氢呋喃，但不溶于非极性溶剂。
• 水溶解性: Slightly soluble in organic solvents. Insoluble in water.
• 分子结构:

  1、摩尔折射率：无可用的

  2、摩尔体积（cm³/mol）：无可用的

  3、等张比容（90.2K）：无可用的

  4、表面张力（dyne/cm）：无可用的

  5、介电常数：无可用的

  6、极化率（10^-24cm³）：无可用的

  7、单一同位素质量：431.864031 Da

  8、标称质量：432 Da

  9、平均质量：428.0561 Da

• 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:8

  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161

  7.重原子数量:18

  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:6

• 更多:

  1. 性状：黄色针状晶体，在空气中或惰性气体中能慢慢分解，由黄色变为绿色，再变为深蓝色。

  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）：未确定

  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）：不适用的

  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：不能溶解的

MSDS

Section 1: Product Identification Chemical Name:Molybdenum (II) acetate dimer,99% CAS Registry Number:14221-06-8 Formula:Mo2(OOCCH3)4 EINECS Number:238-089-5 Chemical Family:metal acetate salt Synonym:Molybdenum diacetate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound14221-06-8100%10mg/m3 (as Mo -15mg/m3 Section 3: Hazards Identification Emergency Overview:Irritating to eyes and skin. May be harmful if swallowed or inhaled. Primary Routes of Exposure:Ingestion Eye Contact:Causes mild irritation of the eyes. Skin Contact:Causes slight irritation of the skin. Inhalation:Inhalation of dust may lead to irritation of the respiratory tract. Ingestion:No information is available on the physiological effects of ingestion. May be harmful if swallowed. Acute Health Affects:Irritating to eyes and skin. May be harmful if swallowed or inhaled. 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. 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: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: 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 Respirator 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:yellow xtl. Molecular Weight:428.06 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 sensitive, (store cold) Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:prolonged exposure to air Incompatibility:oxidizing agents Decomposition Products:carbon dioxide, carbon monoxide, organic fumes, and molybdenum salts. SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. 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):Not reportable under SARA Title 313. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 1、急性毒性： 主要的刺激性影响： 在皮肤上面：可能引起发炎； 在眼睛上面：可能引起发炎；没有已知的敏化影响。 生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境。

安全

• 个人防护装备: Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
• 危害码 (欧洲): Xi
• 安全声明 (欧洲): 24/25
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3
• 海关编码: 2915900090

合成路线

64-19-7 13939-06-5 ~90% 14221-06-8

文献：Johnson, Kara D.; Powell, Gregory L. Journal of Organometallic Chemistry, 2008 , vol. 693, # 8-9 p. 1712 - 1715

13939-06-5 ~0% 14221-06-8 95344-38-0

文献：Birnbaum, Amira; Cotton, F. Albert; Dori, Zvi; Kapon, Moshe; Marler, David; Reisner, George M. Journal of the American Chemical Society, 1985 , vol. 107, # 8 p. 2405 - 2410

13939-06-5 ~66% 14221-06-8

文献：Baghurst, David R.; Mingos, D. Michael P. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1992 , # 7 p. 1151 - 1156

80594-72-5 ~58% 14221-06-8

文献：Menezes, Jose C.; Romao, Carlos C. Polyhedron, 1990 , vol. 9, p. 1237 - 1240

105502-46-3 127-09-3 ~69% 14221-06-8

文献：Wu, Ying-Yann; Chen, Jhy-Der; Liou, Lin-Shu; Wang, Ju-Chun Inorganica Chimica Acta, 1997 , vol. 258, p. 193 - 200

105502-46-3 64-19-7 ~63% 14221-06-8

文献：Wu, Ying-Yann; Chen, Jhy-Der; Liou, Lin-Shu; Wang, Ju-Chun Inorganica Chimica Acta, 1997 , vol. 258, p. 193 - 200

108-24-7 64-19-7 13939-06-5 ~71% 14221-06-8

文献：Jawiczuk, Magdalena; Gorecki, Marcin; Suszczynska, Agata; Karchier, Michal; Jazwinski, Jaroslaw; Frelek, Jadwiga Inorganic Chemistry, 2013 , vol. 52, # 14 p. 8250 - 8263

上下游产品

上游产品  5
64-19-7 13939-06-5 105502-46-3 127-09-3
108-24-7
下游产品  1
12184-22-4

制备

以六羰基钼与醋酸在氯气流中反应即可制得二聚醋酸钼，六羰基钼置于约100mL冰醋酸和10mL醋酸酐的混合液中，在氮气流中于140～150℃加热，冷却溶液，在空气中滤集晶体，用乙醇和乙醚洗涤晶体，在真空干燥器中干燥，得1.5g二聚醋酸钼，产率92%。

海关

海关编码	2915900090
中文概述	2915900090. 其他饱和无环一元羧酸及其酸酐（酰卤、过氧）化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0%
申报要素	品名, 成分含量, 用途
监管条件	A.入境货物通关单 B.出境货物通关单
检验检疫	R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%