2-Butenedioic acid(2Z)-, 1-ethyl ester

物化性质

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

安全信息

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

毒理性

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

Ethyl Hydrogen MaleateRevision number: 5
SAFETY DATA SHEET
Section1. IDENTIFICATION
Product name:Ethyl Hydrogen Maleate
Revision number:5
Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
HEALTH HAZARDS
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Signal wordWarning
Hazard statementsCauses 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.
Section3. 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:
Section4. 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
Section4. 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.
Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry 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 protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:
Section6. 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.
Section7. 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.
Section8. 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.
Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Liquid
Ethyl Hydrogen Maleate
Section9. 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
Section10. 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:
Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Skin corrosion/irritation: No data available
Serious eyeNo 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
Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
No data available
Crustacea:
Algae:No data available
Persistence / degradability: No data available
BioaccumulativeNo 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):
Section13. 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
Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not listed
Section15. 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

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