4740-47-0

• 常用中文名：DL-2-苄基丝氨酸
• 常用英文名：DL-2-Benzylserine
• CAS号：4740-47-0
• 分子式：C₁₀H₁₃NO₃
• 分子量：195.21500
• 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：2018-08-10 20:16:25
• 更新时间：2024-01-20 13:46:40

名称

• 中文名: DL-2-苄基丝氨酸
• 英文名: DL-2-Benzylserine
• 英文别名: MFCD01863305; 2-amino-2-benzyl-3-hydroxypropanoic acid

物化性质

• 密度: 1.291g/cm3
• 沸点: 417.1ºC at 760 mmHg
• 熔点: 245-263ºC
• 分子式: C₁₀H₁₃NO₃
• 分子量: 195.21500
• 闪点: 206ºC
• 精确质量: 195.09000
• PSA: 83.55000
• LogP: 0.70380
• 外观性状: Powder or Flakes | Beige to slightly brown
• 折射率: 1.599
• 储存条件:

  密封储存，储存于阴凉、干燥的库房。

• 稳定性:

  常温常压下稳定，避免与不相容材料接触。与强氧化剂，重金属反应。

• 计算化学:

  1.疏水参数计算参考值（XlogP）:-2.3

  2.氢键供体数量:3

  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:无

  6.拓扑分子极性表面积83.6

  7.重原子数量:14

  8.表面电荷:0

  9.复杂度:202

  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：米色或浅棕色结晶性粉末

  2. 密度（g/mL,20℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：245-263

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,0.2mmHg）：未确定

  7. 折射率(n20/D)：未确定

  8. 闪点（ºC）：未确定

  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（mPa,20ºC）：未确定

  12. 饱和蒸气压（kPa,25ºC）：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：溶于水

MSDS

Name: Dl-2-benzylserine 97% Material Safety Data Sheet Synonym: DL-2-Amino-2-hydroxymethyl-3-phenylpropionic aci CAS: 4740-47-0 Section 1 - Chemical Product MSDS Name:Dl-2-benzylserine 97% Material Safety Data Sheet Synonym:DL-2-Amino-2-hydroxymethyl-3-phenylpropionic aci Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 4740-47-0 DL-2-Benzylserine 97% unlisted Hazard Symbols: XI Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. 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. Ingestion: 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. 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. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical 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. Avoid generating dusty conditions. Section 7 - HANDLING and STORAGE Handling: Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Storage: Store in a cool, dry place. Store in a tightly closed container. 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# 4740-47-0: 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: Crystalline powder Color: beige slightly brown Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 245 - 263 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C10H13NO3 Molecular Weight: 195.22 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, heavy metals. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, formaldehyde. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 4740-47-0 unlisted. LD50/LC50: Not available. Carcinogenicity: DL-2-Benzylserine - 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 reviewed. Hazard Class: UN Number: Packing Group: IMO Shipping Name: Not reviewed. Hazard Class: UN Number: Packing Group: RID/ADR Shipping Name: Not reviewed. Hazard Class: UN Number: Packing group: Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 4740-47-0: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 4740-47-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 4740-47-0 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): 37/39-26
• 海关编码: 2922509090

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%