英语词典化工词典

1H-Pyrazole,3-(4-methylphenyl)-

1H-Pyrazole,3-(4-methylphenyl)-


  • 中文别名:3-对-甲苯基吡唑
  • 中文释义:3-对-甲苯基吡唑;3-(4-甲基苯基)-1H-吡唑;5-对甲苯基-1H-吡唑
  • 英文别名:5-(4-methylphenyl)-1H-pyrazole;
    3-p-tolylpyrazole;
    5-p-Tolyl-1H-pyrazole 
  • CAS No.:59843-75-3
  • 分子式:

    C10H10N2

  • 分子量:158.2
  • 精确分子量:158.08400
  • PSA:28.68000
  • MDL:MFCD00665963
  • InChI:The Key: VOMXXXBTALQTAK-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.109g/cm3
熔点:
82-86ºC
沸点:
343.9ºC at 760 mmHg
闪点:
162.4ºC
折射率:
1.591
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):82-86

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:
1.109g/cm3
熔点:
82-86ºC
沸点:
343.9ºC at 760 mmHg
闪点:
162.4ºC
折射率:
1.591
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):82-86

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-(4-Tolyl)pyrazole 99+% Material Safety Data Sheet
Synonym: None
CAS: 59843-75-3
Section 1 - Chemical Product   MSDS Name:3-(4-Tolyl)pyrazole 99+% Material Safety Data Sheet
Synonym:None
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
59843-75-3 3-(4-Tolyl)pyrazole 99+ 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.
Ingestion:
May cause irritation of the digestive tract. 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.
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. Provide ventilation.
Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation. 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:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 59843-75-3: 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: Powder
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 82-86 C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H10N2
Molecular Weight: 158.20
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, excess heat.
Incompatibilities with Other Materials:
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# 59843-75-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-(4-Tolyl)pyrazole - 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.
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# 59843-75-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 59843-75-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 59843-75-3 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:48.19

2、 摩尔体积(m3/mol):142.5

3、 等张比容(90.2K):372.0

4、 表面张力(dyne/cm):46.4

5、 极化率(10-24cm3):19.10

计算化学数据

1.疏水参数计算参考值(XlogP):2.2

2.氢键供体数量:1

3.氢键受体数量:1

4.可旋转化学键数量:1

5.互变异构体数量:2

6.拓扑分子极性表面积28.7

7.重原子数量:12

8.表面电荷:0

9.复杂度:139

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

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