104195-80-4

• 常用中文名：(2S,3S)-2-氨基-3-甲氧基丁酸
• 常用英文名：Methyl L-threoninate
• CAS号：104195-80-4
• 分子式：C₅H₁₁NO₃
• 分子量：133.146
• 发布时间：2018-12-19 09:34:37
• 更新时间：2024-01-08 11:48:53

名称

• 中文名: (2S,3S)-2-氨基-3-甲氧基丁酸
• 英文名: (2S,3S)-2-Amino-3-methoxybutanoic acid
• 英文别名: MFCD00142985; L-Threonine, methyl ester; 2S,3S-2-Amino-3-methoxybutanoic acid; Methyl L-threoninate

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 238.6±20.0 °C at 760 mmHg
• 熔点: 220-224ºC
• 分子式: C₅H₁₁NO₃
• 分子量: 133.146
• 闪点: 98.1±21.8 °C
• 精确质量: 133.073898
• PSA: 72.55000
• LogP: -0.91
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.461
• 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：31.97

  2、 摩尔体积（m³/mol）：116.4

  3、 等张比容（90.2K）：296.3

  4、 表面张力（dyne/cm）：41.8

  5、 极化率（10^-24cm³）：12.67

• 计算化学:

  1、 疏水参数计算参考值（XlogP）：-2.4

  2、 氢键供体数量：1

  3、 氢键受体数量：3

  4、 可旋转化学键数量：2

  5、 拓扑分子极性表面积（TPSA）：77

  6、 重原子数量：9

  7、 表面电荷：0

  8、 复杂度：98.9

  9、 同位素原子数量：0

  10、 确定原子立构中心数量：2

  11、 不确定原子立构中心数量：0

  12、 确定化学键立构中心数量：0

  13、 不确定化学键立构中心数量：0

  14、 共价键单元数量：1

• 更多:

  1. 性状：无可用

  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）：220-224

  5. 沸点（ºC,常压）：无可用

  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）：27.5 (c=0.6, 6N HCl 25 ºC)

  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：可溶于水

MSDS

Name: (2S 3S)-2-Amino-3-methoxybutanoic acid 98% Material Safety Data Sheet Synonym: None Known CAS: 104195-80-4 Section 1 - Chemical Product MSDS Name:(2S 3S)-2-Amino-3-methoxybutanoic acid 98% Material Safety Data Sheet Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 104195-80-4 (2S,3S)-2-Amino-3-methoxybutanoic acid 98 unlisted Hazard Symbols: None Listed. 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. Skin: May cause skin irritation. Ingestion: May cause irritation of the digestive tract. 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. 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. 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. 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. Runoff from fire control or dilution water may cause pollution. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Keep container closed when not in use. 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 ventilation to keep airborne concentrations low. Exposure Limits CAS# 104195-80-4: 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: Solid Color: white 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 applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C5H11NO3 Molecular Weight: 133.15 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Dust generation, excess heat. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 104195-80-4 unlisted. LD50/LC50: Not available. Carcinogenicity: (2S,3S)-2-Amino-3-methoxybutanoic acid - 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 Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: IMO Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: RID/ADR Shipping Name: Not regulated. Hazard Class: UN Number: Packing group: 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# 104195-80-4: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 104195-80-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 104195-80-4 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

• 安全声明 (欧洲): S24/25
• 海关编码: 2922509090

合成路线

188906-12-9 ~71% 104195-80-4

文献：Tetrahedron Letters, , vol. 38, # 10 p. 1837 - 1840

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海关

海关编码	2922509090
中文概述	2922509090. 其他氨基醇酚、氨基酸酚及其他含氧基氨基化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件：AB. 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, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装
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
Summary	2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%