16091-18-2

• 常用中文名：马来酸酯辛基锡
• 常用英文名：Dioctyl(maleate)tin
• CAS号：16091-18-2
• 分子式：C₂₀H₃₆O₄Sn
• 分子量：459.19800
• 相关类别： 有机原料 有机金属类化合物 有机锡
• 发布时间：2018-09-14 19:44:03
• 更新时间：2024-01-05 12:07:41

• 1.用作聚氯乙烯的热稳定剂，具有优良的长期热稳定性，光稳定性亦好。与硫醇类二正辛基锡并用有协同效应。特别适宜于硬质透明制品。一般用量为0.5-3%。

  2.用作热稳定剂，特别适用于高档透明PVC无毒扭结膜及烟膜制品中

名称

• 中文名: 马来酸酯辛基锡
• 英文名: 2,2-dioctyl-1,3,2-dioxastannepine-4,7-dione
• 中文别名: 马来酸二正辛基锡; 2,2-辛基1,3,2-二氧锡杂卓-4,7-二酮
• 英文别名: Estabex U 18; DIOCTYLTIN MALEATE; Thermolite 813; Di-n-octyltin maleate; EINECS 240-253-6; MFCD00040922; Dioctylstannylene maleate; Stannane,dioctyl(maleoyldioxy); Mellite 825; Stann OMF

物化性质

• 熔点: 87-105°C
• 分子式: C₂₀H₃₆O₄Sn
• 分子量: 459.19800
• 精确质量: 460.16400
• PSA: 52.60000
• LogP: 5.80580
• 外观性状: 白色粉末
• 蒸汽压: 4.94E-08mmHg at 25°C
• 储存条件: 2-8℃
• 稳定性: Stable. Combustible. Incompatible with strong oxidizing agents.
• 水溶解性: <0.1 g/100 mL at 22 ºC
• 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:4

  4.可旋转化学键数量:14

  5.互变异构体数量:无

  6.拓扑分子极性表面积52.6

  7.重原子数量:25

  8.表面电荷:0

  9.复杂度:382

  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：白色粉沫

  2. 溶点（℃）：87～105

  3.相对密度：1.33

  4.溶解性：溶于苯、乙醇、丙酮，不溶于水。

毒性和生态

毒理学数据: 本品毒性低，对大白鼠口服LD50为4550毫克/公斤。对皮肤和眼睛有刺激性。 CHEMICAL IDENTIFICATION RTECS NUMBER : JH4745000 CHEMICAL NAME : 1,3,2-Dioxastannepin-4,7-dione, 2,2-dioctyl- CAS REGISTRY NUMBER : 16091-18-2 LAST UPDATED : 199712 DATA ITEMS CITED : 29 MOLECULAR FORMULA : C20-H36-O4-Sn MOLECULAR WEIGHT : 459.25 WISWESSER LINE NOTATION : T7VO-SN-OVJ C8 C8 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 4500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,934,1969 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 775 mg/kg REFERENCE : ERNFA7 Ernaehrungsforschung. (Akademie-Verlag GmbH, Leipziger St. 3-4, 108 Berlin, Ger. Dem. Rep.) V.1- 1956- Volume(issue)/page/year: 11,424,1966 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg(Sn)/m3;STEL 0.2 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.1 mg(Sn)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,258,1971 OSHA PEL (Gen Indu):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.1 mg(Sn)/m3;STEL 0.3 mg(Sn)/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-THAILAND:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ORGANOTIN COMPOUND-air:10H TWA 0.1 mg(Sn)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83561 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 112 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83561 No. of Facilities: 68 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 6383 (estimated) No. of Female Employees: 1092 (estimated)

安全

• 危害码 (欧洲): Xn
• 风险声明 (欧洲): R36/38
• 安全声明 (欧洲): S26-S36/37/39
• 危险品运输编码: 3288
• 包装等级: III
• 危险类别: 6.1(b)

制备

由二正辛基氧化锡与马来酸酐在四氢呋喃中于50℃反应，再经净化、沉淀而得。