3068-32-4

• 常用中文名：2,3,4,6-四乙酰氧基-alpha-D-吡喃糖溴化物
• 常用英文名：2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
• CAS号：3068-32-4
• 分子式：C₁₄H₁₉BrO₉
• 分子量：411.199
• 相关类别： 生物化工 糖类化合物 单糖
• 发布时间：2018-07-28 18:00:37
• 更新时间：2024-01-02 14:26:26
• 下载msds

名称

• 中文名: 2,3,4,6-四乙酰氧基-alpha-D-吡喃糖溴化物
• 英文名: 2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl bromide
• 中文别名: 四乙酰基-α-D-溴代半乳糖; Α-溴代-2,3,4,6-四乙酰吡喃半乳糖; 1-溴代-2,3,4,6-四乙酰-Α-D-半乳糖; 2,3,4,6-O-四乙酰基-Α-D-溴代半乳糖; 溴代半乳糖; 乙酰溴代-α-D-水解乳糖; 1-溴代-2,3,4,6; 乙酰溴代-Α-D-水解乳糖; 2,3,4,6-四乙酰氧基-α-D-吡喃糖溴化物; 2,3,4,6-四乙酰基-Α-D-溴代吡喃半乳糖
• 英文别名: A-D-GALACTOPYRANOSYL BROMIDE; acetobromo-D-galactose; (2R,3S,4S,5R,6R)-2-(acetoxymethyl)-6-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate; D-A-TETRAACETOBROMOGALACTOSE; 2,3,4,6-Tetra-O-acetyl-a-D-galactopyranosyl bromide; 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide; Acetobromo-α-D-galactose; 2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl bromide; tetraacetylbromogalactose; EINECS 221-324-0; α-D-Galactopyranosyl bromide, tetraacetate; MFCD00063686; acetobromogalactose; ACETOBROMO-A-D-GALACTOSE; acetic acid 4,5-diacetoxy-6-acetoxymethyl-2-bromotetrahydropyran-3-yl ester

物化性质

• 密度: 1.5±0.1 g/cm3
• 沸点: 412.0±45.0 °C at 760 mmHg
• 熔点: 83-85 °C
• 分子式: C₁₄H₁₉BrO₉
• 分子量: 411.199
• 闪点: 203.0±28.7 °C
• 精确质量: 410.021240
• PSA: 114.43000
• LogP: 2.05
• 外观性状: 白色或类似白色
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.503
• 储存条件:

  密封储存，储存于阴凉、干燥的库房。冷藏温度为-20 ºC。

• 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，碱，铝，镁反应。
• 水溶解性: Sparingly soluble
• 计算化学:

  1、 疏水参数计算参考值（XlogP）：1.5

  2、 氢键供体数量：0

  3、 氢键受体数量：9

  4、 可旋转化学键数量：9

  5、 互变异构体数量：

  6、 拓扑分子极性表面积（TPSA）：114

  7、 重原子数量：24

  8、 表面电荷：0

  9、 复杂度：507

  10、 同位素原子数量：0

  11、 确定原子立构中心数量：5

  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：白色或米色固体

  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）：83-85

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,0.05mmHg）：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）：210

  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: 2 3 4 6-Tetra-O-Acetyl-alpha-D-Galactopyranosyl Bromide 95% Material Safety Data Sheet Synonym: Acetobromo-alpha-D-Galactose CAS: 3068-32-4 Section 1 - Chemical Product MSDS Name:2 3 4 6-Tetra-O-Acetyl-alpha-D-Galactopyranosyl Bromide 95% Material Safety Data Sheet Synonym:Acetobromo-alpha-D-Galactose Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 3068-32-4 2,3,4,6-Tetra-O-Acetyl-alpha-D-Galacto 95% 221-324-0 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. May cause chemical conjunctivitis. Skin: Causes skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Inhalation: Causes respiratory tract irritation. Can produce delayed pulmonary edema. Chronic: Effects may be delayed. Section 4 - FIRST AID MEASURES Eyes: Immediately 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. Do NOT use mouth-to-mouth resuscitation. 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 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse. Storage: Store in a tightly closed container. Store in a dry area. Deep freeze (below -20C). 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# 3068-32-4: 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: Crystals Color: white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 83-85 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: Slightly soluble. Specific Gravity/Density: Molecular Formula: C14H19BrO9 Molecular Weight: 411.21 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: Acids, aluminum, oxidizing agents, magnesium. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen bromide. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 3068-32-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,3,4,6-Tetra-O-Acetyl-alpha-D-Galactopyranosyl Bromide - 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: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 3068-32-4: No information available. Canada CAS# 3068-32-4 is listed on Canada's DSL List. CAS# 3068-32-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 3068-32-4 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 符号: GHS07
• 信号词: Warning
• 危害声明: H315-H319-H335
• 警示性声明: P261-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xi: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26-S36-S37/39
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3

上下游产品

上游产品  9
4163-60-4 25878-60-8 83-87-4 10257-28-0
108-24-7 197158-78-4 3947-62-4 2872-65-3
160227-12-3
下游产品  9
4098-06-0 13121-62-5 86563-28-2 35899-89-9
3554-96-9 367-93-1 54771-60-7 25878-60-8
40591-65-9