1,3-Diselenole,2-(4,5-dimethyl-1,3-diselenol-2-ylidene)-4,5-dimethyl-

物化性质

熔点：

273-275ºC (dec.)(lit.)

沸点：

338.8ºC at 760 mmHg

闪点：

158.7ºC

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. 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）：273-275

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

熔点：

273-275ºC (dec.)(lit.)

沸点：

338.8ºC at 760 mmHg

闪点：

158.7ºC

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. 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）：273-275

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:	Tetramethyltetraselenafulvalene Material Safety Data Sheet
Synonym:
CAS:	55259-49-9

Section 1 - Chemical Product   MSDS Name:Tetramethyltetraselenafulvalene Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
55259-49-9	Tetramethyltetraselenafulvalene		unlisted

Hazard Symbols: T
Risk Phrases: 23/25 33
Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed. Danger of cumulative effects.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
Poison by ingestion.
Inhalation:
Toxic if inhaled.
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 immediately. Wash mouth out with water.
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.
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:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store under nitrogen.
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# 55259-49-9: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear a chemical apron.
Respirators:
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 265 - 270 deg C (de
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: C10H12Se4
Molecular Weight: 447.924
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, selenium/selenium oxides.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 55259-49-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Tetramethyltetraselenafulvalene - 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
No information available.
IMO
No information available.
RID/ADR
No information available.
Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 23/25 Toxic by inhalation and if swallowed.
R 33 Danger of cumulative effects.
Safety Phrases:
S 20/21 When using do not eat, drink or smoke.
S 28A After contact with skin, wash immediately with
plenty of water.
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# 55259-49-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 55259-49-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 55259-49-9 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据

中国海关编码：2901299090

概述：

2901299090 其他不饱和无环烃。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:2.0%。普通关税:30.0%

申报要素：

品名, 成分含量, 用途, 用作气体燃料的应报明包装容器容积, 散装货物应报明

摘要/Summary：

2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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）:无

2.氢键供体数量:0

3.氢键受体数量:0

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积0

7.重原子数量:14

8.表面电荷:0

9.复杂度:306

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: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