L-(+)-阿拉伯糖

L-(+)-阿拉伯糖 基本信息
CAS号 87-72-9 分子式 C5H10O5
分子量 150.13000 精确质量  150.05300
PSA  90.15000 LogP  -2.58230

等价的CAS号:

87-72-9,608-45-7,608-46-8,608-47-9,2460-44-8,6748-95-4,6763-34-4,7261-26-9,7283-06-9,7283-07-0,7296-55-1,7296-56-2,7296-58-4,7296-59-5,7296-60-8,7296-61-9,7296-62-0,7322-30-7,10257-31-5,10257-32-6,10257-33-7,10257-34-8,10257-35-9,19982-83-3,20242-88-0,28697-53-2,36562-42-2,89299-64-9,107655-34-5,115794-06-4,115794-07-5,130550-15-1,130606-21-2,41546-41-2

基本信息 展开↓

CAS号:
87-72-9
3D弹球模型:
立即前往扯扯看
分子式:
C5H10O5
分子量:
150.13000
中文名称:
L-(+)-阿拉伯糖
英文名称:
L-arabinopyranose
中文别名:
L-(+)-阿拉伯糖;
L(+)树胶醛糖;
果胶糖;
L-阿戊糖;
L(+)-阿拉伯糖;
L-阿拉伯糖
英文别名:
L-arabinopyranose;
L-(+)-Arabinose;
L(+)-Arabinose
精确分子量/精确质量:
150.05300
极性分子表面积/PSA:
90.15000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00067709
EINECS:
201-767-6
BRN:
1723085
InChI:
InChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3-,4+,5?/m0/s1

生产制备方法及用途展开↓

制备方法


广泛分布于植物中,通常以复杂多糖的形式,在分枝菌中亦发现L-阿拉伯糖。阿拉伯胶或玉米纤维的配糖体水解、分离、精制而得。也可由酵母发酵而得。

合成制备方法


广泛分布于植物中,通常以复杂多糖的形式,在分枝菌中亦发现L-阿拉伯糖。阿拉伯胶或玉米纤维的配糖体水解、分离、精制而得。也可由酵母发酵而得。

用途简介


用作甜味剂。

用途


用作甜味剂。

物化性质展开↓

外观与性状:
白色至灰白色结晶粉末
密度:
1.757 g/cm3
熔点:
160-163ºC
沸点:
333.2ºC at 760 mmHg
闪点:
155.3ºC
水溶解性:
soluble
折射率:
1.633
存储条件/存储方法:

本品密封阴凉干燥保存。

其它信息:

1.       性状:其晶体为正交晶系。无臭。有甜味。有变旋现象

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):160-163 (lit.)

5.       沸点(ºC,常压):未确定

6.       沸点(ºC, 5.2 kPa):未确定

7.       折射率:未确定

8.       闪点(ºC):未确定

9.       比旋光度(º):103 º (c=5, H2O)

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,60 ºC):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:1g溶于约1ml水中,微溶于乙醇

 

安全信息展开↓

海关代码:
29400000
WGK_Germany:
3
德国有关水污染物质的分类清单
危险类别码:
R20/21/22
安全说明:
S24/25
安全标志:
S24/25:防止皮肤和眼睛接触。
危险标志:
Xn: Harmful;

合成路线查看所有的合成路线

  • 1448254-39-4

    1448254-39-4

  • ~82%

  • 87-72-9

    L-(+)-阿拉伯糖

  • 212065-55-9

    2,4:3,5-di-O-ethylidene-D-xylose

  • ~75%

  • 87-72-9

    L-(+)-阿拉伯糖

  • 532-20-7

    D-Lyxofuranose (9CI)

  • ~38%

  • 98-01-1

    糠醛

  • +

  • 87-72-9

    L-(+)-阿拉伯糖

  • +

  • 453-17-8

    D-(+)-甘油醛

  • +

  • 116-09-6

    羟基丙酮

  • +

  • 78-98-8

    丙酮醛

MSDS 展开↓

Name: l-(+)-Arabinose 99+% Material Safety Data Sheet
Synonym: Non
CAS: 87-72-9
Section 1 - Chemical Product   MSDS Name:l-(+)-Arabinose 99+% Material Safety Data Sheet
Synonym:Non

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
87-72-9 L-(+)-Arabinose +99.0 201-767-6
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause mild eye irritation.
Skin:
Non-irritating to the skin.
Ingestion:
Expected to be a low ingestion hazard.
Inhalation:
Low hazard for usual industrial handling.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Get medical aid. Gently lift eyelids and flush continuously with water.
Skin:
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Ingestion:
Get medical aid if irritation or symptoms occur.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical aid if cough or other symptoms appear.
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:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant 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.

Section 7 - HANDLING and STORAGE
  Handling:
Use with adequate ventilation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Good general ventilation should be sufficient to control airborne levels.
Exposure Limits CAS# 87-72-9: 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 and clothing to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
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: Powder
Color: white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 160.00 - 163.00 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: soluble
Specific Gravity/Density:
Molecular Formula: C5H10O5
Molecular Weight: 150.13

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
None reported.
Incompatibilities with Other Materials:
Strong 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# 87-72-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
L-(+)-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 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 87-72-9: No information available.
Canada
CAS# 87-72-9 is listed on Canada's NDSL List.
CAS# 87-72-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 87-72-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

分子结构与计算化学数据展开↓

分子结构数据


1、   摩尔折射率:31.41

2、   摩尔体积(m3/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):-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、   拓扑分子极性表面积(TPSA):90.2

6、   重原子数量:10

7、   表面电荷:0

8、   复杂度:117

9、   同位素原子数量:0

10、   确定原子立构中心数量:4

11、   不确定原子立构中心数量:0

12、   确定化学键立构中心数量:0

13、   不确定化学键立构中心数量:0

14、   共价键单元数量:1

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