998-91-4

998-91-4结构式

常用中文名：3-乙氧基-2-丁炔羧酸乙酯
常用英文名：2-Butenoic acid,3-ethoxy-, ethyl ester
CAS号：998-91-4
分子式：C₈H₁₄O₃
分子量：158.19500
发布时间：2018-05-14 08:00:00
更新时间：2024-01-10 21:21:54

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

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10504-65-1 141-78-6
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1116-50-3 5408-04-8 29149-73-3 4093-60-1

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%

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