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28697-53-2生产厂家

28697-53-2价格

28697-53-2

28697-53-2结构式
28697-53-2结构式
  • 常用中文名:D-阿拉伯糖
  • 常用英文名:D-Arabinopyranose
  • CAS号:28697-53-2
  • 分子式:C5H10O5
  • 分子量:150.130
  • 相关类别: 生物化工 糖类化合物 单糖
  • 发布时间:2018-08-15 19:01:05
  • 更新时间:2024-01-02 16:30:53
  • 【用途一】
    用作甜味剂
    【用途二】
    阿糖胞苷的中间体,也可作生化试剂(作细菌培养剂)。
    【用途三】
    阿糖胞苷的中间体,也可作生化试剂(作细菌培养剂)

化源商城直购

中文名 D-阿拉伯糖
英文名 D(-)-Arabinose
中文别名 D-(-)-树胶醛糖
英文别名 EINECS 233-708-5
MFCD00064361
Arabinose
arabinopyranose
D-arabinose
密度 1.8±0.1 g/cm3
沸点 333.2±42.0 °C at 760 mmHg
熔点 152-160ºC
分子式 C5H10O5
分子量 150.130
闪点 155.3±27.9 °C
精确质量 150.052826
PSA 90.15000
LogP -0.83
外观性状 白色结晶粉末
蒸汽压 0.0±1.6 mmHg at 25°C
折射率 1.646
储存条件

密封、在温室保存

稳定性

常温常压下稳定

计算化学

1、 疏水参数计算参考值(XlogP):-2.5

2、 氢键供体数量:4

3、 氢键受体数量:5

4、 可旋转化学键数量:0

5、 互变异构体数量:

6、 拓扑分子极性表面积(TPSA):90.2

7、 重原子数量:10

8、 表面电荷:0

9、 复杂度:117

10、 同位素原子数量:0

11、 确定原子立构中心数量:4

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:无味的白色晶体

2. 密度(g/mL,25℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):1.585

4. 熔点(ºC):162-164

5. 晶相相标准燃烧热(焓)(kJ·mol-1):-2338.8

6. 晶相标准声称热(焓)( kJ·mol-1):-1057.9

7. 折射率:n20/D 1.585

8. 闪点(ºC):. 未确定

9. 比旋光度(º):-103.5

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(Pa,20ºC):未确定

12. 饱和蒸气压(KPa,20ºC):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:水:20ºC ,1M,澄清,无味

Name: D-(-)-Arabinose P.A. Material Safety Data Sheet
Synonym: None known
CAS: 28697-53-2
Section 1 - Chemical Product MSDS Name:D-(-)-Arabinose P.A. Material Safety Data Sheet
Synonym:None known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
28697-53-2 D-(-)-Arabinose 100.0 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.
Skin:
May cause skin irritation. May cause erythema (redness) and edema (fluid buildup) with crusting and scaling.
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. 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.
Non-combustible, substance itself does not burn but may decompose upon heating to produce irritating, corrosive and/or toxic fumes.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
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:
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# 28697-53-2: 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: Crystalline powder
Color: white crystalline powder
Odor: none reported
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 162-164C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Soluble.
Specific Gravity/Density:
Molecular Formula: C5H10O5
Molecular Weight: 150.067

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:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 28697-53-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
D-(-)-Arabinose - 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 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 28697-53-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 28697-53-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 28697-53-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

若无政府许可,勿将材料排入周围环境。

安全声明 (欧洲) S24/25
WGK德国 3
海关编码 2940000000
【方法一】
可用葡萄糖酸钙在三价铁离子参与下以过氧化氢氧化降价制得。亦可从植物中分离得到。
海关编码 2932999099
中文概述 2932999099. 其他仅含氧杂原子的杂环化合物. 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:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%