马来酸单乙酯

马来酸单乙酯 基本信息
CAS号 3990-03-2 分子式 C6H8O4
分子量 144.12500 精确质量  144.04200
PSA  63.60000 LogP  0.19030

等价的CAS号:

2459-05-4,3249-53-4,3990-03-2

基本信息 展开↓

CAS号:
3990-03-2
3D弹球模型:
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分子式:
C6H8O4
分子量:
144.12500
中文名称:
马来酸单乙酯
英文名称:
Ethyl Hydrogen Maleate
中文别名:
马来酸单乙酯;
(Z)-2-丁烯二酸单乙酯;
顺丁烯二酸单乙酯;
马来酸氢乙酯
英文别名:
Ethyl Hydrogen Maleate;
Maleic Acid Monoethyl Ester;
2-Butenedioic acid (Z), monoethyl ester;
Monoethyl Maleate
精确分子量/精确质量:
144.04200
极性分子表面积/PSA:
63.60000
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。
EINECS:
223-635-7
InChI:
InChI=1/C6H8O4/c1-2-10-6(9)4-3-5(7)8/h3-4H,2H2,1H3,(H,7,8)/b4-3-

物化性质展开↓

密度:
1.208g/cm3
沸点:
261.6ºC at 760mmHg
闪点:
109.6ºC
折射率:
1.469
存储条件/存储方法:

冷藏

稳定性相关:

常温常压下稳定

其它信息:

1.       性状:未确定

2.       密度(g/mL,25℃):1.18

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):未确定

5.       沸点(ºC,常压):未确定

6.       沸点(ºC,0.11mmHg):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(20ºC):未确定

12.    饱和蒸气压(kPa,60ºC):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:未确定

化学图谱

  1. 马来酸单乙酯红外图谱(IR1)

  2. 马来酸单乙酯红外图谱(IR2)

  3. 马来酸单乙酯Raman光谱

  4. 马来酸单乙酯质谱(MS)

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毒理性展开↓

生态数据:

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。

MSDS 展开↓

  Ethyl Hydrogen Maleate      Revision number: 5    
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
  Product name:        Ethyl Hydrogen Maleate    
    
  Revision number:        5    

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS        Not classified    
  HEALTH HAZARDS
  Skin corrosion/irritation        Category 2    
    Category 2A
  Serious eye damage/eye irritation
  ENVIRONMENTAL HAZARDS        Not classified    
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
  Signal word        Warning    
  Hazard statements        Causes skin irritation    
    Causes serious eye irritation
  Precautionary statements:
    Wash hands thoroughly after handling.
  [Prevention]
    Wear protective gloves/eye protection/face protection.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
  [Response]
    if present and easy to do. Continue rinsing.
    If eye irritation persists: Get medical advice/attention.
    IF ON SKIN: Gently wash with plenty of soap and water.
    If skin irritation occurs: Get medical advice/attention.
    Take off contaminated clothing and wash before reuse.

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
  Components:        Ethyl Hydrogen Maleate    
  Percent:        >95.0%(T)    
  CAS Number:        3990-03-2    
  Synonyms:        Maleic Acid Monoethyl Ester , Monoethyl Maleate    
    C6H8O4
  Chemical Formula:

Section 4. FIRST AID MEASURES
  Inhalation:        Remove victim to fresh air and keep at rest in a position comfortable for breathing.    
    Get medical advice/attention if you feel unwell.
  Ethyl Hydrogen Maleate

Section 4. FIRST AID MEASURES
  Skin contact:        Remove/Take off immediately all contaminated clothing. Gently wash with plenty of    
    soap and water. If skin irritation or rash occurs: Get medical advice/attention.
  Eye contact:        Rinse cautiously with water for several minutes. Remove contact lenses, if present    
    and easy to do. Continue rinsing. If eye irritation persists: Get medical
    advice/attention.
  Ingestion:        Get medical advice/attention if you feel unwell. Rinse mouth.    
    A rescuer should wear personal protective equipment, such as rubber gloves and air-
  Protection of first-aiders:
    tight goggles.

Section 5. FIRE-FIGHTING MEASURES
  Suitable extinguishing        Dry chemical, foam, water spray, carbon dioxide.    
  media:
  Unsuitable extinguishing Solid streams of water
  media:
  Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
    method according to the surrounding situation is used. Uninvolved persons should
    evacuate to a safe place. In case of fire in the surroundings: Remove movable
    containers if safe to do so.
  Special protective        When extinguishing fire, be sure to wear personal protective equipment.    
  equipment for firefighters:

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions,        Use personal protective equipment. Keep people away from and upwind of spill/leak.    
  protective equipment and Ensure adequate ventilation. Entry to non-involved personnel should be controlled
  emergency procedures: around the leakage area by roping off, etc.
  Environmental precautions: Prevent product from entering drains.
  Methods and materials for Absorb spilled material in a suitable absorbent (e.g. rag, dry sand, earth, saw-dust).
  containment and cleaning In case of large amount of spillage, contain a spill by bunding. Adhered or collected
  up: material should be promptly disposed of, in accordance with appropriate laws and
    regulations.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
  Technical measures:        Handling is performed in a well ventilated place. Wear suitable protective equipment.    
    Prevent generation of vapour or mist. Wash hands and face thoroughly after
    handling.
    Use a ventilation, local exhaust if vapour or aerosol will be generated.
  Advice on safe handling: Avoid contact with skin, eyes and clothing.
  Conditions for safe storage, including any
  incompatibilities
  Storage conditions:        Keep container tightly closed. Store in a refrigerator.    
    Store away from incompatible materials such as oxidizing agents.
    Heat-sensitive
  Packaging material:        Comply with laws.    

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
    Install a closed system or local exhaust as possible so that workers should not be
  Engineering controls:
    exposed directly. Also install safety shower and eye bath.
  Personal protective equipment
  Respiratory protection: Vapor respirator. Follow local and national regulations.
    Protective gloves.
  Hand protection:
  Eye protection:        Safety glasses. A face-shield, if the situation requires.    
  Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Liquid    
  Ethyl Hydrogen Maleate

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Form:        Clear    
  Colour:        Colorless - Very pale yellow    
  Odour:        No data available    
  pH: No data available
  Melting point/freezing point:No data available
  Boiling point/range:        No data available    
  Flash point:        No data available    
  Flammability or explosive
  limits:
  Lower:        No data available    
  Upper:        No data available    
  Relative density:        1.18    
  Solubility(ies):
  [Water]        No data available    
  [Other solvents]        No data available    

Section 10. STABILITY AND REACTIVITY
  Chemical stability:        Disproportionation can occur to produce precipitates of maleic acid occasionally.    
  Possibility of hazardous No special reactivity has been reported.
  reactions:
  Incompatible materials: Oxidizing agents
  Hazardous decomposition Carbon monoxide, Carbon dioxide
  products:

Section 11. TOXICOLOGICAL INFORMATION
  Acute Toxicity:        No data available    
  Skin corrosion/irritation: No data available
  Serious eye        No data available    
  damage/irritation:
  Germ cell mutagenicity: No data available
  Carcinogenicity:
  IARC =        No data available    
  NTP =        No data available    
  Reproductive toxicity:        No data available    
  RTECS Number:        EM6538750    

Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
  Fish:        No data available    
    No data available
  Crustacea:
  Algae:        No data available    
  Persistence / degradability: No data available
  Bioaccumulative        No data available    
  potential(BCF):
  Mobility in soil
    No data available
  Log Pow:
  Soil adsorption (Koc):        No data available    
    No data available
  Henry's Law
  constant(PaM3/mol):

Section 13. DISPOSAL CONSIDERATIONS
    Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical
    incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when
    disposing of the substance.
  Ethyl Hydrogen Maleate

Section 14. TRANSPORT INFORMATION
  Hazards Class:        Does not correspond to the classification standard of the United Nations    
  UN-No:        Not listed    

Section 15. REGULATORY INFORMATION
  Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
  and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
    loading and unloading were prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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:33.24

2、摩尔体积(cm3/mol):119.2

3、等张比容(90.2K):304.5

4、表面张力(dyne/cm):42.4

5、介电常数:无可用的

6、极化率(10-24cm3):13.17

7、单一同位素质量:144.042259Da

8、标称质量:144Da

9、平均质量:144.1253Da

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