27458-90-8

• 常用中文名：二叔十二烷基二硫化物
• 常用英文名：DI-TERT-DODECYL DISULFIDE
• CAS号：27458-90-8
• 分子式：C₂₄H₅₀S₂
• 分子量：402.78400
• 发布时间：2018-06-15 12:05:55
• 更新时间：2024-01-05 10:55:24
• 液晶(LC)材料

名称

• 中文名: 二叔十二烷基二硫化物
• 英文名: 2-methyl-2-(2-methylundecan-2-yldisulfanyl)undecane
• 中文别名: 二叔十二烷基二硫化物
• 英文别名: Di-tert-dodecyl Disulfide; Di-tert-dodecyl disulfide; 2-methyl-2-[(2-methylundecan-2-yl)disulfanyl]undecane; tert-Dodecyl polysulfide; Di-tert-dodecyl disulphide; tert-Dodecyl Disulfide; Disulfide,di-tert-dodecyl; Di-tert-dodecyl polysulfide

物化性质

• 密度: 0.889g/cm3
• 沸点: 466.9ºC at 760mmHg
• 分子式: C₂₄H₅₀S₂
• 分子量: 402.78400
• 闪点: 90.2ºC
• 精确质量: 402.33500
• PSA: 50.60000
• LogP: 10.20640
• 外观性状: 液体;Colorless to Light orange to Yellow clear liquid
• 蒸汽压: 1.9E-08mmHg at 25°C
• 折射率: 1.482
• 储存条件: 存放于惰性气体之中;避免湿气 (分解)
• 水溶解性: 水溶性：实际上不溶
• 分子结构:

  1、 摩尔折射率：129.16

  2、 摩尔体积（m³/mol）：452.7

  3、 等张比容（90.2K）：1078.4

  4、 表面张力（dyne/cm）：32.2

  5、 极化率（10 ^-24cm ³）：51.20

• 计算化学:

  1.疏水参数计算参考值（XlogP）:11.1

  2.氢键供体数量:0

  3.氢键受体数量:2

  4.可旋转化学键数量:19

  5.互变异构体数量:无

  6.拓扑分子极性表面积50.6

  7.重原子数量:26

  8.表面电荷:0

  9.复杂度:267

  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： 未确定

  2. 密度（g/mL,25/4℃）：0.91

  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）：118

  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 I.Chemical Product and Company Identification Chemical NameDi-tert-dodecyl Disulfide (mixture of isomers) Portland OR Disulfide, di-tert-dodecyl (CA INDEX NAME); Synonym tert-Dodecyl Disulfide Chemical FormulaC12H50S2 27458-90-8 CAS Number Section II.Composition and Information on Ingredients Chemical NameCAS Number Percent (%)TLV/PELToxicology Data Di-tert-dodecyl Disulfide27458-90-8 Not available. Not available.Not available. (mixture of isomers) Section III. Hazards Identification No specific information is available in our data base regarding the toxic effects of this material for humans. However, Acute Health Effects exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this compound. CARCINOGENIC EFFECTS : Not available. Chronic Health Effects MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Section IV.First Aid Measures Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 Eye Contact minutes. Get medical attention. Skin ContactIn case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention. InhalationIf the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not improve. IngestionINDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat. Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic material was ingested; the absence of such signs, however, is not conclusive. Section V.Fire and Explosion Data Not available. Auto-Ignition FlammabilityMay be combustible at high temperature. Flammable LimitsNot available. Flash Points118°C (244.4°F). Combustion ProductsThese products are toxic carbon oxides (CO, CO2), sulfur oxides (SO2, SO3...). Fire Hazards Not available. Risks of explosion of the product in presence of mechanical impact: Not available. Explosion Hazards Risks of explosion of the product in presence of static discharge: Not available. Fire Fighting Media SMALL FIRE: Use DRY chemical powder. LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet. and Instructions Consult with local fire authorities before attempting large scale fire-fighting operations. Continued on Next Page Di-tert-dodecyl Disulfide (mixture of isomers) Section VI.Accidental Release Measures Spill CleanupMoisture sensitive material. Absorb with an inert material and put the spilled material in an appropriate waste disposal. Finish cleaning the spill by rinsing Instructions any contaminated surfaces with copious amounts of water. Consult federal, state, and/or local authorities for assistance on disposal. Section VII. Handling and Storage Handling and StorageMOISTURE SENSITIVE. STORE UNDER ARGON. Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a dry, cool place. Avoid excessive heat and light. Do not breathe gas/fumes/ Information vapor/spray. Always store away from incompatible compounds such as oxidizing agents. Section VIII. Exposure Controls/Personal Protection Engineering ControlsProvide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their respective threshold limit value. Ensure that eyewash station and safety shower is proximal to the work-station location. Personal ProtectionSplash goggles. Lab coat. Vapor respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent. Exposure LimitsNot available. Section IX. Physical and Chemical Properties Liquid. (Clear. Colorless - yellow.)Solubility Physical state @ 20°CVery slightly soluble in water. 0.91 (water=1) Specific Gravity Molecular Weight402.78Partition CoefficientNot available. Boiling Point321°C (609.8°F)Vapor PressureNot available. Melting PointNot available.Vapor Density>1 (Air = 1) 1.49VolatilityNot available. Refractive Index Nearly odorless. Critical TemperatureNot available.Odor ViscosityNot available.TasteNot available. Section X.Stability and Reactivity Data Stability This material is stable if stored under proper conditions. (See Section VII for instructions) Conditions of InstabilityAvoid excessive heat and light. Moisture sensitive. Incompatibilities Reactive with oxidizing agents. Section XI. Toxicological Information RTECS NumberNot available. Eye Contact. Ingestion. Inhalation. Routes of Exposure Toxicity DataNot available. CARCINOGENIC EFFECTS : Not available. Chronic Toxic Effects MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Acute Toxic EffectsNo specific information is available in our data base regarding the toxic effects of this material for humans. However, exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this compound. Section XII.Ecological Information EcotoxicityNot available. Not available. Environmental Fate Continued on Next Page Di-tert-dodecyl Disulfide (mixture of isomers) Section XIII.Disposal Considerations Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a Waste Disposal combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Section XIV. Transport Information DOT ClassificationNot a DOT controlled material (United States). PIN NumberNot applicable. Proper Shipping NameNot applicable. Packing Group (PG)Not applicable. DOT Pictograms Section XV. Other Regulatory Information and Pictograms TSCA Chemical InventoryThis compound is ON the EPA Toxic Substances Control Act (TSCA) inventory list. (EPA) WHMIS ClassificationOn DSL. (Canada) EINECS Number (EEC) 248-468-7 EEC Risk StatementsNot available. Japanese Regulatory DataENCS no.: 2-473; SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 海关编码: 2930909090

海关

海关编码	2930909090
中文概述	2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%