3-(2-Maleimidoethylcarbamoyl)-2,2,5,5-tetramethyl-1-pyrrolidinyloxyl

物化性质

密度：

1.226g/cm3

熔点：

138-142ºC

沸点：

530.4ºC at 760 mmHg

闪点：

274.6ºC

折射率：

1.543

存储条件/存储方法：

密闭于0-6 ºC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. 密度（g/mL,25/4℃）：无可用

3. 相对蒸汽密度（g/mL,空气=1）：无可用

4. 熔点（ºC）：138-142

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：无可用

安全信息

密度：

1.226g/cm3

熔点：

138-142ºC

沸点：

530.4ºC at 760 mmHg

闪点：

274.6ºC

折射率：

1.543

存储条件/存储方法：

密闭于0-6 ºC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. 密度（g/mL,25/4℃）：无可用

3. 相对蒸汽密度（g/mL,空气=1）：无可用

4. 熔点（ºC）：138-142

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：无可用

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。

MSDS

Name:	3-(2-Maleimidoethyl-carbomoyl)-Proxyl Free Radical Material Safety Data Sheet
Synonym:
CAS:	66641-27-8

Section 1 - Chemical Product   MSDS Name:3-(2-Maleimidoethyl-carbomoyl)-Proxyl Free Radical Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
66641-27-8	3-(2-Maleimidoethyl-Carbomoyl)-Proxyl,		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. The toxicological properties of this material have not been fully investigated.
Skin:
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
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:
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 immediately.
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:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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.
Extinguishing Media:
Use agent most appropriate to extinguish 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:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 66641-27-8: 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: Powder
Color: yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 138.00 - 139.00 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:
Specific Gravity/Density:
Molecular Formula: C15H22N3O4
Molecular Weight: 308.35
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 66641-27-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-(2-Maleimidoethyl-Carbomoyl)-Proxyl, Free Radical - 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# 66641-27-8: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 66641-27-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 66641-27-8 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

分子结构与计算化学数据

分子结构数据

1、摩尔折射率：无可用

2、 摩尔体积（cm³/mol）：无可用

3、 等张比容（90.2K）：无可用

4、 表面张力（dyne/cm）：无可用

5、 极化率：无可用

计算化学数据

1.疏水参数计算参考值（XlogP）:-0.3

2.氢键供体数量:2

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:2

6.拓扑分子极性表面积90

7.重原子数量:22

8.表面电荷:0

9.复杂度:521

10.同位素原子数量:0

11.确定原子立构中心数量:1

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