533-49-3

• 常用中文名：L-赤藓糖
• 常用英文名：L-(+)-ERYTHROSE
• CAS号：533-49-3
• 分子式：C₄H₈O₄
• 分子量：120.10400
• 相关类别： 生物化工 糖类化合物 单糖
• 发布时间：2018-06-17 21:07:40
• 更新时间：2024-01-02 08:23:19
• L-红细胞是一种醛糖碳水化合物,已用于糖基化研究和表征红细胞还原酶活性。

名称

• 中文名: L-赤藓糖
• 英文名: l-(+)-erythrose
• 英文别名: EINECS 208-567-8; MFCD00064377; D-erythrose; L-erythro-2,3,4-Trihydroxy-butyraldehyd; (2S,3S)-2,3,4-Trihydroxybutanal

物化性质

• 密度: 1.41 g/cm3
• 沸点: 311.1ºC at 760 mmHg
• 熔点: 164ºC
• 分子式: C₄H₈O₄
• 分子量: 120.10400
• 闪点: 156.2ºC
• 精确质量: 120.04200
• PSA: 77.76000
• 外观性状: 透明淡黄色液体
• 折射率: 1.505
• 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，热源接触。 与强氧化剂反应。
• 计算化学:

  1.疏水参数计算参考值（XlogP）:-2.2

  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:3

  5.互变异构体数量:4

  6.拓扑分子极性表面积77.8

  7.重原子数量:8

  8.表面电荷:0

  9.复杂度:72.4

  10.同位素原子数量:0

  11.确定原子立构中心数量:2

  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：浅黄色透明液体

  2. 密度（g/mL,25℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：164

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,12mmHg）：未确定

  7. 折射率(n20/D)：未确定

  8. 闪点（ºC）：113

  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,25 ºC）：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：与水溶解

生物活性

• 描述: L-红细胞是一种醛糖碳水化合物,已用于糖基化研究和表征红细胞还原酶活性。
• 相关类别:
  研究领域 >> 其他

MSDS

Name: L(+)-Erythrose 96% Material Safety Data Sheet Synonym: CAS: 533-49-3 Section 1 - Chemical Product MSDS Name:L(+)-Erythrose 96% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 533-49-3 L(+)-Erythrose 96% 208-567-8 Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Not available. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: May cause respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. 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: Get medical aid. Wash mouth out with 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. Section 7 - HANDLING and STORAGE Handling: 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: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 533-49-3: Personal Protective Equipment Eyes: Not available. 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: Clear liquid Color: light yellow Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 164 deg C Autoignition Temperature: Not available. Flash Point: > 230 deg C (> 446.00 deg F) Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Soluble. Specific Gravity/Density: Molecular Formula: C4H8O4 Molecular Weight: 120.11 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, excess heat. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 533-49-3 unlisted. LD50/LC50: Not available. Carcinogenicity: L(+)-Erythrose - 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 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# 533-49-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 533-49-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 533-49-3 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 个人防护装备: Eyeshields;Gloves
• 危害码 (欧洲): Xi
• 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: 2912491000

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海关

海关编码	2912491000
中文概述	2912491000. 醛醇. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%
Summary	2912491000. other aldehyde-alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%