1,5-二甲基-1H-吡唑-3-甲酸乙酯

  • 基本信息
  • 物化性质
  • 安全信息
  • MSDS
  • 海关数据
  • 结构与计算化学
  • 上游产品
  • 下游产品

1,5-二甲基-1H-吡唑-3-甲酸乙酯 基本信息

中文名称:
1,5-二甲基-1H-吡唑-3-甲酸乙酯 
中文别名:
1,5-二甲基-1H-吡唑-3-甲酸乙酯;
1,5-二甲基-1H-吡唑-3-羧酸乙酯;
1,5-二甲基吡唑-3-甲酸乙酯;
1,5-二甲基吡唑-3-羧酸乙酯;
1,5-二甲基-1H-吡唑-5-羧酸乙酯 
英文名称:
1H-Pyrazole-3-carboxylicacid, 1,5-dimethyl-, ethyl ester
英文别名:
Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate;
ethyl 1,5-dimethylpyrazole-3-carboxylate 
CAS No.:
5744-51-4
分 子 式:

C8H12N2O2

分 子 量:
168.19
精确分子量:
168.09000
PSA:
44.12000
MDL:
MFCD00085071
InChI:
InChI=1/C8H12N2O2/c1-4-12-8(11)7-5-6(2)10(3)9-7/h5H,4H2,1-3H3
危险品标志:

 

风险术语:

R36/37/38

安全术语:

S26;S36/37/39

分子结构式:
SDS:
查看

1,5-二甲基-1H-吡唑-3-甲酸乙酯 物化性质

密度:
1.12g/cm3
熔点:
39-41°C
沸点:
154°C 10mm
闪点:
110.3ºC
折射率:
1.521
其它信息:

1.熔点(760 mmHg,ºC):39-41

2.沸点(10 mm Hg,ºC):154

1,5-二甲基-1H-吡唑-3-甲酸乙酯 安全信息

海关代码:
2933199090
危险类别码:
R36/37/38
安全说明:
S26-S36/37/39
安全标志:
S26:万一接触眼睛,立即使用大量清水冲洗并送医诊治。
:
危险标志:
Xi

1,5-二甲基-1H-吡唑-3-甲酸乙酯 MSDS

Name: Ethyl 1 5-dimethyl-1H-pyrazole-3-carboxylate tech Material Safety Data Sheet
Synonym:
CAS: 5744-51-4
Section 1 - Chemical Product   MSDS Name:Ethyl 1 5-dimethyl-1H-pyrazole-3-carboxylate tech Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
5744-51-4 Ethyl 1,5-dimethyl-1H-pyrazole-3-carbo 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.
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# 5744-51-4: 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: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 154 deg C @10mmHg
Freezing/Melting Point: 39 - 41 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: C8H12N2O2
Molecular Weight: 168

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents, reducing agents, bases, amines.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 5744-51-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate - 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# 5744-51-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 5744-51-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 5744-51-4 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

1,5-二甲基-1H-吡唑-3-甲酸乙酯 海关数据

中国海关编码:2933199090

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
摘要/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%

1,5-二甲基-1H-吡唑-3-甲酸乙酯 分子结构与计算化学数据

分子结构数据

1、  摩尔折射率:45.55

2、  摩尔体积(cm3/mol):149.4

3、  等张比容(90.2K):364.5

4、  表面张力(dyne/cm):35.4

5、  极化率(10-24cm3):18.06

计算化学数据

1.疏水参数计算参考值(XlogP):1.2

2.氢键供体数量:0

3.氢键受体数量:3

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积44.1

7.重原子数量:12

8.表面电荷:0

9.复杂度:172

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

1,5-二甲基-1H-吡唑-3-甲酸乙酯 上游产品

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