3-甲基-1H-吡唑-5-羧肼

3-甲基-1H-吡唑-5-羧肼 基本信息
CAS号 40535-14-6 分子式 C5H8N4O
分子量 140.14300 精确质量  140.07000
PSA  83.80000 LogP  0.41280

基本信息 展开↓

CAS号:
40535-14-6
3D弹球模型:
立即前往扯扯看
分子式:
C5H8N4O
分子量:
140.14300
中文名称:
3-甲基-1H-吡唑-5-羧肼
英文名称:
5-Methyl-1H-pyrazole-3-carboxylic acid hydrazide
中文别名:
3-甲基-1H-吡唑-5-羧肼;
5-甲基-1-H-吡唑-3-羧肼;
3-甲基-1H-吡唑-5-羧酸肼;
5-甲基-2-H-吡唑-3-羧肼
英文别名:
5-Methyl-1H-pyrazole-3-carboxylic acid hydrazide;
5-Methyl-1H-pyrazole-3-carbohydrazide;
5-methyl-1H-pyrazole-3-carbohydrazide
精确分子量/精确质量:
140.07000
极性分子表面积/PSA:
83.80000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00068101
InChI:
The Key: FWNHUZOBVQZERU-UHFFFAOYSA-N

物化性质展开↓

密度:
1.337g/cm3
熔点:
157 °C
折射率:
1.605
其它信息:

1.熔点(°C):157

安全信息展开↓

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: Irritant;

合成路线查看所有的合成路线

  • 615-79-2

    乙酰丙酮酸乙酯

  • 40535-14-6

    3-甲基-1H-吡唑-5-羧肼

  • 402-61-9

    5-甲基-1H-吡唑-3-羧酸

  • 40535-14-6

    3-甲基-1H-吡唑-5-羧肼

  • 49664-33-7

    2,7-dimethyl-4H,9H-dipyrazolo[1,5-a,1',5'-d]pyrazine-4,9-dione

  • 40535-14-6

    3-甲基-1H-吡唑-5-羧肼

MSDS 展开↓

Name: 3-Methyl-1h-pyrazole-5-carbohydrazide 97% Material Safety Data Sheet
Synonym: 3-Methylpyrazole-5-carboxic acid hydrazid
CAS: 40535-14-6
Section 1 - Chemical Product   MSDS Name:3-Methyl-1h-pyrazole-5-carbohydrazide 97% Material Safety Data Sheet
Synonym:3-Methylpyrazole-5-carboxic acid hydrazid

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
40535-14-6 3-Methyl-1H-pyrazole-5-carbohydrazide 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes 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:
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# 40535-14-6: 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: white crystalline solid
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 156 - 158 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: C5H8N4O
Molecular Weight: 140

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

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 40535-14-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3-Methyl-1H-pyrazole-5-carbohydrazide - 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: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 40535-14-6: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 40535-14-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 40535-14-6 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

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%

分子结构与计算化学数据展开↓

分子结构数据


1、  摩尔折射率:36.12

2、  摩尔体积(cm3/mol):104.7

3、  等张比容(90.2K):301.0

4、  表面张力(dyne/cm):68.1

5、  极化率(10-24cm3):14.32

计算化学数据


1.疏水参数计算参考值(XlogP):-0.5

2.氢键供体数量:3

3.氢键受体数量:3

4.可旋转化学键数量:1

5.互变异构体数量:11

6.拓扑分子极性表面积83.8

7.重原子数量:10

8.表面电荷:0

9.复杂度:138

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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