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998-91-4

998-91-4结构式
998-91-4结构式

化源商城直购

中文名 3-乙氧基-2-丁炔羧酸乙酯
英文名 ethyl 3-ethoxybut-2-enoate
中文别名 3-乙氧基-2-丁烯酸乙酯
英文别名 Crotonic acid,3-ethoxy-,ethyl ester
Ethyl 3-ethoxycrotonate
ETHYL 3-ETHOXY-2-BUTENOATE
3-Ethoxycrotonic acid ethyl ester
EINECS 213-652-8
3-Ethoxy-2-butenoic acid ethyl ester
ethyl3-ethoxybut-2-enoate
3-ethoxy-but-2-enoic acid ethyl ester
MFCD00026932
沸点 86-88ºC (14 torr)
熔点 30ºC
分子式 C8H14O3
分子量 158.19500
闪点 58.3ºC
精确质量 158.09400
PSA 35.53000
LogP 1.48980
折射率 1.4535
储存条件

保持容器密封,储存在阴凉,干燥的地方

稳定性

常温常压下稳定,避免强氧化剂 酸接触

分子结构

1、 摩尔折射率:42.53

2、 摩尔体积(m3/mol):163.8

3、 等张比容(90.2K):378.2

4、 表面张力(dyne/cm):28.3

5、 极化率(10 -24cm 3):16.86

计算化学

1、 疏水参数计算参考值(XlogP):1.4

2、 氢键供体数量:0

3、 氢键受体数量:3

4、 可旋转化学键数量:5

5、 拓扑分子极性表面积(TPSA):35.5

6、 重原子数量:11

7、 表面电荷:0

8、 复杂度:149

9、 同位素原子数量:0

10、 确定原子立构中心数量:0

11、 不确定原子立构中心数量:0

12、 确定化学键立构中心数量:1

13、 不确定化学键立构中心数量:0

14、 共价键单元数量:1

更多

1. 性状:未确定。

2. 密度(g/mL,25℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):30-32

5. 沸点(ºC,常压):195-200

6. 沸点(ºC,755mmHg):未确定

7. 折射率:1.4535

8. 闪点(ºF):137

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(kPa,25ºC):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

Name: Ethyl 3-ethoxybut-2-enoate 97% Material Safety Data Sheet
Synonym:
CAS: 998-91-4
Section 1 - Chemical Product MSDS Name:Ethyl 3-ethoxybut-2-enoate 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
998-91-4 Ethyl 3-ethoxybut-2-enoate 97% 213-652-8
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause 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.
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:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 998-91-4: 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: colorless - white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 86 - 88 deg C @14mmHg
Freezing/Melting Point: 30 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: C8H14O3
Molecular Weight: 158

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 998-91-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 3-ethoxybut-2-enoate - 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: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 998-91-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 998-91-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 998-91-4 is not listed on the TSCA inventory.
It is for research and development use only.


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) Xi: Irritant;
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S24/25
危险品运输编码 UN 1325 4.1/PG 2
海关编码 2918990090
海关编码 2918990090
中文概述 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0%
申报要素 品名, 成分含量, 用途
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%