14603-76-0

• 常用中文名：(R)-(-)-2-氨基-2-甲基丁二酸
• 常用英文名：ALPHA-METHYL-D-ASP
• CAS号：14603-76-0
• 分子式：C₅H₉NO₄
• 分子量：147.12900
• 发布时间：2018-12-06 13:23:34
• 更新时间：2024-01-09 21:41:52

名称

• 中文名: (R)-(-)-2-氨基-2-甲基丁二酸
• 英文名: (R)-alpha-Methylaspartic acid
• 中文别名: 2-甲基-d-天门冬氨酸
• 英文别名: (2R)-2-azaniumyl-2-methylbutanedioate

物化性质

• 沸点: 259.2ºC at 760mmHg
• 分子式: C₅H₉NO₄
• 分子量: 147.12900
• 闪点: 110.6ºC
• 精确质量: 147.05300
• PSA: 100.62000
• 外观性状: 白色细结晶粉末
• 蒸汽压: 0.00395mmHg at 25°C
• 折射率: 1.524
• 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:4

  4.可旋转化学键数量:1

  5.互变异构体数量:无

  6.拓扑分子极性表面积108

  7.重原子数量:10

  8.表面电荷:-1

  9.复杂度:156

  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

MSDS

Name: (R)-(-)-2-Amino-2-methylbutanedioic acid 99+% (80% e.e.) Material Safety Data Sheet Synonym: (-)-2-Methyl-D-aspartic acid CAS: 14603-76-0 Section 1 - Chemical Product MSDS Name:(R)-(-)-2-Amino-2-methylbutanedioic acid 99+% (80% e.e.) Material Safety Data Sheet Synonym:(-)-2-Methyl-D-aspartic acid Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 14603-76-0 (R)-(-)-2-Amino-2-methylbutanedioic ac >99 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. The toxicological properties of this material have not been fully investigated. Skin: May cause skin irritation. The toxicological properties of this material have not been fully investigated. 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. 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. Immediately 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. Wash clothing before reuse. 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: 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. 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. 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 breathing dust. 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: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 14603-76-0: 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: Powder 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 available. Flash Point: Not available. Explosion Limits, lower: N/A Explosion Limits, upper: N/A Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C5H9NO4 Molecular Weight: 147.13 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Dust generation. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, oxides of nitrogen, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 14603-76-0 unlisted. LD50/LC50: Not available. Not available. Carcinogenicity: (R)-(-)-2-Amino-2-methylbutanedioic 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 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# 14603-76-0: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 14603-76-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 14603-76-0 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

合成路线

1174715-60-6 ~99% 14603-76-0

文献：Branca, Mathieu; Pena, Sebastien; Guillot, Regis; Gori, Didier; Alezra, Valerie; Kouklovsky, Cyrille Journal of the American Chemical Society, 2009 , vol. 131, # 30 p. 10711 - 10718

292618-98-5 ~% 14603-76-0

文献：Tetrahedron, , vol. 57, # 30 p. 6361 - 6366

14603-96-4 ~% 14603-76-0

文献：Chemical and Pharmaceutical Bulletin, , vol. 14, p. 1138 - 1143

89656-87-1 ~% 3227-17-6 14603-76-0

文献：Tetrahedron Letters, , vol. 29, # 4 p. 403 - 406

上下游产品

上游产品  3
292618-98-5 14603-96-4 89656-87-1
下游产品  0