3-甲基异唑-4-羧酸

3-甲基异唑-4-羧酸 基本信息
CAS号 17153-20-7 分子式 C5H5NO3
分子量 127.09903 精确质量  127.02694
PSA  63.33000 LogP  0.68120

基本信息 展开↓

CAS号:
17153-20-7
3D弹球模型:
立即前往扯扯看
分子式:
C5H5NO3
分子量:
127.09903
中文名称:
3-甲基异唑-4-羧酸
英文名称:
4-Isoxazolecarboxylic acid, 3-methyl-
中文别名:
3-甲基异唑-4-羧酸;
3-甲基-4-异噁唑甲酸;
3-甲基异噁唑-4-甲酸;
3-甲基异恶唑-4-羧酸
英文别名:
4-Isoxazolecarboxylic acid, 3-methyl-;
3-Methyl-4-isoxazolecarboxylic acid;
3-Methyl-1,2-oxazole-4-carboxylic acid;
3-Methylisoxazole-4-carboxylic acid
精确分子量/精确质量:
127.02694
极性分子表面积/PSA:
63.33000
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:
MFCD01318161
BRN:
114157
InChI:
InChI=1/C5H5NO3/c1-3-4(5(7)8)2-9-6-3/h2H,1H3,(H,7,8)

物化性质展开↓

外观与性状:
白色固体
密度:
1.348 g/cm3
熔点:
185-187°C
沸点:
303.6ºC at 760 mmHg
闪点:
137.4°C
折射率:
1.514
蒸汽压:
0.000404mmHg at 25°C
存储条件/存储方法:

常温密闭避光,通风干燥

稳定性相关:

常温常压下稳定

避免的物料:氧化物

其它信息:

1.       性状:不确定

2.       密度(g/mL,25/4):不确定

3.       相对蒸汽密度(g/mL,空气=1):不确定

4.       熔点(ºC):185-187

5.       沸点(ºC,常压):不确定

6.       沸点(ºC, 5.2kPa):不确定

7.       折射率:不确定

8.       闪点(ºC):不确定

9.       比旋光度(º):不确定

10.    自燃点或引燃温度(ºC):不确定

11.    蒸气压(kPa,25ºC):不确定

12.    饱和蒸气压(kPa,60ºC):不确定

13.    燃烧热(KJ/mol):不确定

14.    临界温度(ºC):不确定

15.    临界压力(KPa):不确定

16.    油水(辛醇/水)分配系数的对数值:不确定

17.    爆炸上限(%,V/V):不确定

18.    爆炸下限(%,V/V):不确定

19.    溶解性:不确定

安全信息展开↓

海关代码:
2934999090
危险类别码:
R36/37/38
安全说明:
26-36-36/37/39-22
安全标志:
S22:不要吸入粉尘。
S26:万一接触眼睛,立即使用大量清水冲洗并送医诊治。
S36:穿戴合适的防护服装。
:
危险标志:
Xi:Irritant;

合成路线查看所有的合成路线

  • 100367-83-7

    3-甲基-4-异恶唑甲醇

  • 17153-20-7

    3-甲基异唑-4-羧酸

  • 99979-76-7

    4-(chloromethyl)-3-methyl-1,2-oxazole

  • 17153-20-7

    3-甲基异唑-4-羧酸

  • 20328-15-8

    3-甲基异唑-4-甲酸乙酯

  • 17153-20-7

    3-甲基异唑-4-羧酸

毒理性展开↓

生态数据:

通常对水体是稍微有害的,不要将未稀释或大量产品接触地下水,水道或污水系统,未经政府许可勿将材料排入周围环境。

MSDS 展开↓

  Material Safety Data Sheet

Section 1. Identification of the substance
  3-Methyl-4-isoxazolecarboxylic acid
    Product Name:
    Synonyms:

Section 2. Hazards identification
    Harmful by inhalation, in contact with skin, and if swallowed.
    H315:        Causes skin irritation    
    H319:        Causes serious eye irritation    
    H335:        May cause respiratory irritation    
    P261:        Avoid breathing dust/fume/gas/mist/vapours/spray    
    Wear protective gloves/protective clothing/eye protection/face protection
    P280:
    P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
    and easy to do – continue rinsing
    P304+P340:        IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing    
    P405:        Store locked up    

Section 3. Composition/information on ingredients.
    3-Methyl-4-isoxazolecarboxylic acid
    Ingredient name:
    CAS number:        17153-20-7    

Section 4. First aid measures
    Immediately wash skin with copious amounts of water for at least 15 minutes while removing
    Skin contact:
    contaminated clothing and shoes. If irritation persists, seek medical attention.
    Eye contact:        Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate    
    flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
    attention.
    Inhalation:        Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.    
    Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
    Ingestion:

Section 5. Fire fighting measures
    In the event of a fire involving this material, alone or in combination with other materials, use dry
    powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
    should be worn.

Section 6. Accidental release measures
    Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
    standards.
    Respiratory precaution:        Wear approved mask/respirator    
    Hand precaution:        Wear suitable gloves/gauntlets    
    Skin protection:        Wear suitable protective clothing    
    Eye protection:        Wear suitable eye protection    
    Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
    for disposal. See section 12.
    Environmental precautions: Do not allow material to enter drains or water courses.

Section 7. Handling and storage
    Handling:        This product should be handled only by, or under the close supervision of, those properly qualified    
    in the handling and use of potentially hazardous chemicals, who should take into account the fire,
    health and chemical hazard data given on this sheet.
    Storage:        Store in closed vessels, refrigerated.    

Section 8. Exposure Controls / Personal protection
    Engineering Controls: Use only in a chemical fume hood.
    Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
    General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section 9. Physical and chemical properties
    Not specified
    Appearance:
    Boiling point:        No data    
    Melting point:        No data    
    Flash point:        No data    
    Density:        No data    
    Molecular formula:        C5H5NO3    
    Molecular weight:        127.1    

Section 10. Stability and reactivity
    Conditions to avoid: Heat, flames and sparks.
    Materials to avoid: Oxidizing agents.
    Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

Section 11. Toxicological information
    No data.

Section 12. Ecological information
    No data.

Section 13. Disposal consideration
    Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
    disposal authority, in accordance with national and regional regulations.

Section 14. Transportation information
    Non-harzardous for air and ground transportation.

Section 15. Regulatory information
    No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
    302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
    Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

中国海关编码:2934999090

概述:
2934999090. 其他杂环化合物. 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
摘要/Summary:
2934999090. other heterocyclic compounds. 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:28.39

2   摩尔体积m3/mol):94.2

3   等张比容90.2K):255.1

4   表面张力3.0 dyne/cm):53.7

5   极化率0.5 10-24cm3):11.25

计算化学数据


1.疏水参数计算参考值(XlogP):0.3

2.氢键供体数量:1

3.氢键受体数量:4

4.可旋转化学键数量:1

5.互变异构体数量:无

6.拓扑分子极性表面积63.3

7.重原子数量:9

8.表面电荷:0

9.复杂度:125

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

上下游相关产品

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  • 20328-15-8

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  • 99979-76-7

    4-(chloromethyl)-3-methyl-1,2-oxazole

  • 100367-83-7

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