DL-木糖

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 结构与计算化学
  • 上游产品

DL-木糖 基本信息

中文名称:
DL-木糖 
中文别名:
木糖;
DL-木糖 
英文名称:
D-(+)-XYLOSE
英文别名:
D-(+)-XYLOSE;
racem. Ribose 
CAS No.:
41247-05-6
分 子 式:
C5H10O5
分 子 量:
150.13000
精确分子量:
150.05300
PSA:
97.99000
EINECS:
200-400-7
InChI:
The Key: PYMYPHUHKUWMLA-MROZADKFSA-N
分子结构式:
SDS:
查看

DL-木糖 制备方法及用途

用途

主要用于制取木糖醇,在食品加工、制药工业也有广泛应用。用于染色和制革,也用作糖尿病甜科。

DL-木糖 物化性质

熔点:
154-158ºC(lit.)
存储条件/存储方法:

 

 密闭于阴凉干燥环境中

稳定性相关:

 

遵照规定使用和储存则不会分解。

其它信息:

1.       性状:无可用

2.       晶相相标准燃烧热(焓)(kJ·mol-1):-2338.9

3.       晶相标准声称热(焓)( kJ·mol-1):-1057.8

4.       熔点(ºC):154-158

5.       沸点(ºC,常压):无可用

6.       沸点(ºC,5.2kPa):无可用

7.       折射率:无可用

8.       闪点(ºC):无可用

9.       比旋光度(º):无可用

10.    自燃点或引燃温度(ºC):无可用

11.    蒸气压(kPa,25ºC):无可用

12.    饱和蒸气压(kPa,60ºC):无可用

13.    燃烧热(KJ/mol):无可用

14.    临界温度(ºC):无可用

15.    临界压力(KPa):无可用

16.    油水(辛醇/水)分配系数的对数值:无可用

17.    爆炸上限(%,V/V):无可用

18.    爆炸下限(%,V/V):无可用

19.    溶解性:溶于水

DL-木糖 安全信息

海关代码:
2940000000

DL-木糖 毒理性

生态数据:

 

该物质对环境可能有危害,对水体应给予特别注意。

 

DL-木糖 MSDS

Name: DL-XYLOSE 98% Material Safety Data Sheet
Synonym:
CAS: 41247-05-6
Section 1 - Chemical Product   MSDS Name:DL-XYLOSE 98% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
41247-05-6 DL-XYLOSE, 98% 98% 255-277-2
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.
Ingestion:
The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
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. 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.
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# 41247-05-6: 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: Crystalline powder
Color: white - fine
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 147 - 149 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:
Specific Gravity/Density:
Molecular Formula: C5H10O5
Molecular Weight: 150.07

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
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# 41247-05-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
DL-XYLOSE, 98% - 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# 41247-05-6: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 41247-05-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 41247-05-6 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

DL-木糖 分子结构与计算化学数据

分子结构数据

1、   摩尔折射率:31.41

2、   摩尔体积(cm3/mol):99.5

3、   等张比容(90.2K):299.0

4、   表面张力(dyne/cm):81.4

5、   极化率(10-24cm3):12.45

计算化学数据

1.疏水参数计算参考值(XlogP):无

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:4

5.互变异构体数量:5

6.拓扑分子极性表面积98

7.重原子数量:10

8.表面电荷:0

9.复杂度:104

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:3

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

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