22551-26-4

• 常用中文名：3-甲基硫醇-1,2-二醇丙烷
• 常用英文名：3-methylsulfanylpropane-1,2-diol
• CAS号：22551-26-4
• 分子式：C₄H₁₀O₂S
• 分子量：122.18600
• 发布时间：2018-03-28 08:00:00
• 更新时间：2024-01-07 13:17:52

名称

• 中文名: 3-甲基硫醇-1,2-二醇丙烷
• 英文名: 3-methylsulfanylpropane-1,2-diol
• 英文别名: 3-(methylthio)-propane-1,2-diol; EINECS 245-073-1; D,L-3-(methylthio)-1,2-propanediol; 3-methylthio-1,2-propanediol; MFCD00004724; 1,2-Propanediol,3-(methylthio); FXIHXPKPLPKPJH-UHFFFAOYSA

物化性质

• 密度: 1.175 g/cm3
• 沸点: 261.4ºC at 760 mmHg
• 分子式: C₄H₁₀O₂S
• 分子量: 122.18600
• 闪点: 127.6ºC
• 精确质量: 122.04000
• PSA: 65.76000
• 外观性状: 透明无色液体
• 蒸汽压: 0.00166mmHg at 25°C
• 折射率: n20/D 1.516(lit.)
• 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：31.60

  2、 摩尔体积（m³/mol）：103.9

  3、 等张比容（90.2K）：272.7

  4、 表面张力（dyne/cm）：47.4

  5、 极化率（10 ^-24cm ³）：12.52

• 计算化学:

  1.疏水参数计算参考值（XlogP）:-0.4

  2.氢键供体数量:2

  3.氢键受体数量:3

  4.可旋转化学键数量:3

  5.互变异构体数量:无

  6.拓扑分子极性表面积65.8

  7.重原子数量:7

  8.表面电荷:0

  9.复杂度:40.7

  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：无可用

  2. 密度（g/mL,25/4℃）：1.164

  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）：无可用

  6. 沸点（ºC,5.2kPa）：无可用

  7. 折射率：1.516

  8. 闪点（ºC）：113

  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：无可用

MSDS

Name: 3-Methylthio-1 2-propanediol 99% Material Safety Data Sheet Synonym: None CAS: 22551-26-4 Section 1 - Chemical Product MSDS Name:3-Methylthio-1 2-propanediol 99% Material Safety Data Sheet Synonym:None Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 22551-26-4 3-methylthio-1,2-propanediol 99.0 245-073-1 Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Not available. Potential Health Effects Eye: Vapors may cause eye irritation. Skin: Causes skin irritation. Ingestion: May cause digestive tract disturbances. Inhalation: Vapor or mist is irritating to the mucous membranes and upper respiratory tract. Chronic: No information found. 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 immediately. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Notes to Physician: Treat symptomatically and supportively. Antidote: None reported. 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. Extinguishing Media: Use agent most appropriate to extinguish fire. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Storage: Store in a cool, dry place. Keep container closed when not in use. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 22551-26-4: 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: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Liquid Color: colorless Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: > 112 deg C (> 233.60 deg F) Explosion Limits, lower: N/A Explosion Limits, upper: N/A Decomposition Temperature: Solubility in water: Specific Gravity/Density: 1.1640g/cm3 Molecular Formula: C4H10O2S Molecular Weight: 122.18 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, strong oxidants. Incompatibilities with Other Materials: Strong oxidizing agents, strong bases. 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# 22551-26-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 3-methylthio-1,2-propanediol - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Other No information available. 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# 22551-26-4: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 22551-26-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 22551-26-4 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。

安全

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