52421-46-2

• 常用中文名：DL-N-苯甲酰-2-异丙酯丝氨酸
• 常用英文名：dl-n-benzoyl-2-isopropylserine
• CAS号：52421-46-2
• 分子式：C₁₃H₁₇NO₄
• 分子量：251.27800
• 相关类别： 生物化工 氨基酸及其衍生物 丝氨酸类衍生物
• 发布时间：2018-12-18 09:29:16
• 更新时间：2024-07-20 20:00:29

名称

• 中文名: DL-N-苯甲酰-2-异丙酯丝氨酸
• 英文名: (2S)-2-benzamido-2-(hydroxymethyl)-3-methylbutanoate
• 中文别名: Dl-n-苯甲酰基-2-异丙基丝氨酸
• 英文别名: MFCD01863307

物化性质

• 密度: 1.1667 (rough estimate)
• 沸点: 511.7ºC at 760mmHg
• 熔点: 147-149ºC
• 分子式: C₁₃H₁₇NO₄
• 分子量: 251.27800
• 闪点: 263.2ºC
• 精确质量: 251.11600
• PSA: 86.63000
• LogP: 1.27900
• 折射率: 1.4800 (estimate)
• 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：66.06

  2、 摩尔体积（m³/mol）：204.8

  3、 等张比容（90.2K）：550.3

  4、 表面张力（dyne/cm）：52.0

  5、 极化率（10 ^-24cm ³）：26.18

• 计算化学:

  1.疏水参数计算参考值（XlogP）:1.9

  2.氢键供体数量:2

  3.氢键受体数量:4

  4.可旋转化学键数量:4

  5.互变异构体数量:2

  6.拓扑分子极性表面积89.5

  7.重原子数量:18

  8.表面电荷:-1

  9.复杂度:305

  10.同位素原子数量:0

  11.确定原子立构中心数量:1

  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：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）：147-149

  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）：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: DL-N-Benzoyl-2-Isopropylserine Material Safety Data Sheet Synonym: DL-2-Benzoylamino-2-Hydroxymethyl-3-Methylbutyric Acid CAS: 52421-46-2 Section 1 - Chemical Product MSDS Name:DL-N-Benzoyl-2-Isopropylserine Material Safety Data Sheet Synonym:DL-2-Benzoylamino-2-Hydroxymethyl-3-Methylbutyric Acid Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 52421-46-2 DL-N-Benzoyl-2-isopropylserine ca 100 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. Wash mouth out with 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: Treat symptomatically and supportively. 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. 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. 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: 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# 52421-46-2: 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: Crystalline powder Color: white Odor: odorless pH: 2.4 (1% aq. sol.) 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: > 170 deg C Solubility in water: 0.5 g/l (20C) Specific Gravity/Density: Molecular Formula: C29H32ClN3 Molecular Weight: 458.03 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Conditions to Avoid: Incompatible materials, dust generation, excess heat. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 52421-46-2 unlisted. LD50/LC50: Not available. Carcinogenicity: DL-N-Benzoyl-2-isopropylserine - 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 No information available. IMO No information available. RID/ADR No information available. 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. S 28A After contact with skin, wash immediately with plenty of water. S 37 Wear suitable gloves. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 52421-46-2: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 52421-46-2 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 52421-46-2 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: 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。

安全

• 安全声明 (欧洲): S24/25