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29211-68-5生产厂家

29211-68-5价格

29211-68-5

29211-68-5结构式
29211-68-5结构式

化源商城直购

中文名 3-叔-丁基-2-吡唑啉-5-酮
英文名 3-tert-butyl-1,4-dihydropyrazol-5-one
英文别名 MFCD00051760
3-tert-Butyl-2-pyrazolin-5-one
5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one
密度 1.11g/cm3
熔点 208 °C
分子式 C7H12N2O
分子量 140.18300
精确质量 140.09500
PSA 41.46000
LogP 0.67280
折射率 1.534
储存条件

保持贮藏器密封、储存在阴凉、干燥的地方,确保工作间有良好的通风或排气装置

稳定性

如果遵照规格使用和储存则不会分解,未有已知危险反应

避免氧化物

计算化学

1.疏水参数计算参考值(XlogP):0.9

2.氢键供体数量:1

3.氢键受体数量:2

4.可旋转化学键数量:1

5.互变异构体数量:5

6.拓扑分子极性表面积41.5

7.重原子数量:10

8.表面电荷:0

9.复杂度:188

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

更多

1. 性状:白色晶体状粉末

2. 密度(g/mL,20℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):208-212

5. 沸点(ºC,常压):未确定

6. 沸点(ºC, KPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(Pa,25ºC):未确定

12. 饱和蒸气压(KPa,25ºC):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:不溶于水

Name: 3-(tert-Butyl)-4 5-dihydro-1H-pyrazol-5-one TECH Material Safety Data Sheet
Synonym: 3-tert-Butyl-2-pyrazoline-5-on
CAS: 29211-68-5
Section 1 - Chemical Product MSDS Name:3-(tert-Butyl)-4 5-dihydro-1H-pyrazol-5-one TECH Material Safety Data Sheet
Synonym:3-tert-Butyl-2-pyrazoline-5-on

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
29211-68-5 3-(tert-Butyl)-4,5-dihydro-1H-pyrazol- unlisted
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. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful 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. 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:
Treat symptomatically and supportively.

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# 29211-68-5: 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: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 208 - 210 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: C7H12N2O
Molecular Weight: 140.18

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 29211-68-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-(tert-Butyl)-4,5-dihydro-1H-pyrazol-5-one - 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: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 29211-68-5: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 29211-68-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 29211-68-5 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

通常对水是不危害的,若无政府许可,勿将材料排入周围环境。

危害码 (欧洲) Xi: Irritant;
安全声明 (欧洲) S22-S24/25
海关编码 2933199090
海关编码 2933199090
中文概述 2933199090. 其他结构上有非稠合吡唑环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%