食品用香料。
| 中文名 | 2-(甲基二硫基)丙酸乙酯 |
|---|---|
| 英文名 | ethyl 2-(methyldisulfanyl)propanoate |
| 英文别名 |
Ethyl-2-methyldithio-propionat
EINECS 245-862-0 MFCD00144267 |
| 密度 | 1.12 |
|---|---|
| 沸点 | 105ºC (12 mmHg) |
| 分子式 | C6H12O2S2 |
| 分子量 | 180.28800 |
| 闪点 | 89ºC |
| 精确质量 | 180.02800 |
| PSA | 76.90000 |
| LogP | 1.94920 |
| 蒸汽压 | 0.113mmHg at 25°C |
| 折射率 | 1.499-1.501 |
| 储存条件 | 密闭于阴凉干燥环境中 |
| 稳定性 | 遵照规定使用和储存则不会分解。 |
| 分子结构 | 1、 摩尔折射率：47.57 2、 摩尔体积（m3/mol）：159.3 3、 等张比容（90.2K）：394.2 4、 表面张力（dyne/cm）：37.4 5、 极化率（10 -24cm 3）：18.85 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:1.6 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:5 5.互变异构体数量:无 6.拓扑分子极性表面积76.9 7.重原子数量:10 8.表面电荷:0 9.复杂度:106 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:1 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：无色至淡黄色液体 2. 密度（g/mL,25/4℃）：无可用 3. 相对蒸汽密度（g/mL,空气=1）：无可用 4. 熔点（ºC）：无可用 5. 沸点（ºC,常压）：105/12mmHg 6. 沸点（ºC,5.2kPa）：无可用 7. 折射率：无可用 8. 闪点（ºC）：无可用 9. 比旋光度（º）：无可用 10. 自燃点或引燃温度（ºC）：无可用 11. 蒸气压（kPa,25ºC）：无可用 12. 饱和蒸气压（kPa,60ºC）：无可用 13. 燃烧热（KJ/mol）：无可用 14. 临界温度（ºC）：无可用 15. 临界压力（KPa）：无可用 16. 油水（辛醇/水）分配系数的对数值：无可用 17. 爆炸上限（%,V/V）：无可用 18. 爆炸下限（%,V/V）：无可用 19. 溶解性：极难溶于水，溶于醇类和油类。 |
Synonym:Propanoic acid, 2-(methyldithio)-, ethyl este Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. May cause chemical conjunctivitis and corneal damage. Skin: May cause irritation and dermatitis. May cause cyanosis of the extremities. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Aspiration may lead to pulmonary edema. Inhalation at high concentrations may cause CNS depression and asphixiation. Chronic: Effects may be delayed. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Will burn if involved in a fire. Use water spray to keep fire-exposed containers cool. Combustible liquid. Containers may explode when heated. Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. 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. Avoid runoff into storm sewers and ditches which lead to waterways. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep away from heat, sparks and flame. Avoid ingestion and inhalation. Use only in a chemical fume hood. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Storage: Keep away from heat, sparks, and flame. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local explosion-proof ventilation to keep airborne levels to acceptable levels. Exposure Limits CAS# 23747-43-5: 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: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Clear liquid Color: light yellow Odor: stench pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 105 deg C @ 12.00mm Freezing/Melting Point: Not available. Autoignition Temperature: Not applicable. Flash Point: 89 deg C ( 192.20 deg F) Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Not available. Solubility in water: insoluble Specific Gravity/Density: 1.1200g/cm3 Molecular Formula: CH3CH(SSCH3)COOCH2CH3 Molecular Weight: 180.28 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, ignition sources, excess heat. Incompatibilities with Other Materials: Oxidizing agents Hazardous Decomposition Products: Carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 23747-43-5 unlisted. LD50/LC50: Not available. Carcinogenicity: Ethyl-2-(methyldithio)propionate - 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 Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 23747-43-5: No information available. Canada CAS# 23747-43-5 is listed on Canada's NDSL List. CAS# 23747-43-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 23747-43-5 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
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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。
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| 安全声明 (欧洲) | 24/25 |
|---|---|
| 海关编码 | 2930909090 |
| 上游产品 2 | |
|---|---|
| 下游产品 0 | |
| 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% |
