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3990-03-2生产厂家

3990-03-2价格

3990-03-2

3990-03-2结构式
3990-03-2结构式

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中文名 马来酸单乙酯
英文名 Ethyl Hydrogen Maleate
中文别名 (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 (2Z)-4-Ethoxy-4-oxo-2-butenoic acid
2-Butenedioic acid, monoethyl ester, (2Z)-
Maleic Acid Monoethyl Ester
Monoethyl Maleate
EINECS 223-635-7
(2Z)-4-Ethoxy-4-oxobut-2-enoic acid
2-Butenedioic acid (Z), monoethyl ester
Irsogladine Impurity 4
密度 1.2±0.1 g/cm3
沸点 261.6±23.0 °C at 760 mmHg
分子式 C6H8O4
分子量 144.125
闪点 109.6±16.1 °C
精确质量 144.042252
PSA 63.60000
LogP 0.29
外观性状 无色-极淡的黄色透明液体
蒸汽压 0.0±1.1 mmHg at 25°C
折射率 1.469
储存条件

冷藏

稳定性

常温常压下稳定

分子结构

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

更多

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

Ethyl Hydrogen Maleate Revision 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

生态学数据:

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。

危害码 (欧洲) Xn
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S26;S36/S37/S39
RTECS号 EM6538750