637-84-3

• 常用中文名：四聚甘氨酸
• 常用英文名：H-Gly-Gly-Gly-Gly-OH
• CAS号：637-84-3
• 分子式：C₈H₁₄N₄O₅
• 分子量：246.22100
• 相关类别： 研究领域 其他
• 发布时间：2018-08-02 14:21:57
• 更新时间：2024-01-02 23:49:25
• 四甘氨酸是由四种甘氨酸单体组成的寡肽[1]。

名称

• 中文名: 四聚甘胺酸
• 英文名: Glycylglycylglycylglycine
• 中文别名: 四聚甘氨酸
• 英文别名: MFCD00008129; 2-[[2-[[2-[(2-aminoacetyl)amino]acetyl]amino]acetyl]amino]acetic acid; EINECS 211-303-4

物化性质

• 密度: 1.393g/cm3
• 沸点: 800.9ºC at 760 mmHg
• 熔点: 300 °C
• 分子式: C₈H₁₄N₄O₅
• 分子量: 246.22100
• 闪点: 438.2ºC
• 精确质量: 246.09600
• PSA: 150.62000
• 外观性状: 白色-类白色晶体-粉末
• 折射率: 1.535
• 储存条件:

  存放在密封容器内，并放在阴凉，干燥处。储存的地方必须远离氧化剂。-20ºC保存。

• 稳定性:

  远离氧化物。

• 分子结构:

  1、 摩尔折射率：55.08

  2、 摩尔体积（m³/mol）：176.6

  3、 等张比容（90.2K）：500.3

  4、 表面张力（dyne/cm）：64.2

  5、 极化率（10^-24cm³）：21.83

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:5

  3.氢键受体数量:6

  4.可旋转化学键数量:7

  5.互变异构体数量:8

  6.拓扑分子极性表面积151

  7.重原子数量:17

  8.表面电荷:0

  9.复杂度:317

  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: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：白色粉末。

  2. 密度（g/mL,25/4℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：＞300

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,5.2kPa）：未确定

  7. 折射率：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（kPa,25ºC）：未确定

  12. 饱和蒸气压（kPa,60ºC）：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：未确定 。

生物活性

• 描述: 四甘氨酸是由四种甘氨酸单体组成的寡肽[1]。
• 相关类别:
  研究领域 >> 其他
  信号通路 >> 其他 >> 其他
• 体内研究: 与注射甘氨酸(HY-Y0966)或二甘氨酸相比,四甘氨酸和三甘氨酸(1.0μmol甘氨酸/g体重,注入中心静脉)在肾脏中的甘氨酸浓度更高[1]。动物模型：雄性Sprague-Dawley大鼠(270-300 g)[1]剂量：1.0μmol甘氨酸/g体重给药：静脉注射,持续30 s。

MSDS

Name: Glycylglycylglycylglycine 97% Material Safety Data Sheet Synonym: N-[N-(N-Glycylglycyl)glycyl]glycine; Tetraglycin CAS: 637-84-3 Section 1 - Chemical Product MSDS Name:Glycylglycylglycylglycine 97% Material Safety Data Sheet Synonym:N-[N-(N-Glycylglycyl)glycyl]glycine; Tetraglycin Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 637-84-3 Glycylglycylglycylglycine 97 211-303-4 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. 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: Sweep up, then place into a suitable container for disposal. 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. Avoid ingestion and inhalation. Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep refrigerated. (Store below 4C/39F.) 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# 637-84-3: 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: Powder Color: white Odor: none reported pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: > 300 deg C Autoignition Temperature: Not applicable. Flash Point: Not applicable. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Not available. Solubility in water: Not available. Specific Gravity/Density: Not available. Molecular Formula: C8H14N4O5 Molecular Weight: 246.22 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, strong oxidants. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 637-84-3 unlisted. LD50/LC50: Not available. Carcinogenicity: Glycylglycylglycylglycine - 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# 637-84-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 637-84-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 637-84-3 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

• 个人防护装备: Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
• 安全声明 (欧洲): S24/25
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3
• 海关编码: 2924199090

合成路线

上下游产品

上游产品  7
56-81-5 56-40-6 104186-69-8 16195-05-4
556-33-2 15474-96-1 7732-18-5
下游产品  5
556-33-2 56-40-6 7093-67-6 15080-71-4
3887-13-6

海关

海关编码	2924199090
中文概述	2924199090. 其他无环酰胺（包括无环氨基甲酸酯)(包括其衍生物及盐）. 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, 包装
Summary	2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%