4,5-dimethoxy-2-nitrocinnamic acid

物化性质

外观与性状：

黄色至绿色粉末

密度：

1.369g/cm3

熔点：

293 °C (dec.)(lit.)

沸点：

482.9ºC at 760mmHg

闪点：

245.8ºC

折射率：

1.604

蒸汽压：

3.9E-10mmHg at 25°C

存储条件/存储方法：

放入紧密的贮藏器内，储存在阴凉，干燥的地方

稳定性相关：

避免接触强氧化剂

其它信息：

1.性状：未确定

2.密度（g/mL,25/4℃）：未确定

3.相对蒸汽密度（g/mL,空气=1）：未确定

4.熔点（ºC）：293

5.沸点（ºC,常压）：未确定

6.沸点（ºC,5.2kPa）：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（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

安全信息

外观与性状：

黄色至绿色粉末

密度：

1.369g/cm3

熔点：

293 °C (dec.)(lit.)

沸点：

482.9ºC at 760mmHg

闪点：

245.8ºC

折射率：

1.604

蒸汽压：

3.9E-10mmHg at 25°C

存储条件/存储方法：

放入紧密的贮藏器内，储存在阴凉，干燥的地方

稳定性相关：

避免接触强氧化剂

其它信息：

1.性状：未确定

2.密度（g/mL,25/4℃）：未确定

3.相对蒸汽密度（g/mL,空气=1）：未确定

4.熔点（ºC）：293

5.沸点（ºC,常压）：未确定

6.沸点（ºC,5.2kPa）：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（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

毒理性

生态数据：

防止化学品进入地面或排水系统

MSDS

Name:	4 5-Dimethoxy-2-Nitrocinnamic Acid 97% Material Safety Data Sheet
Synonym:	3-(4,5-Dimethoxy-2-Nitrophenyl)acrylic Acid
CAS:	20567-38-8

Section 1 - Chemical Product   MSDS Name:4 5-Dimethoxy-2-Nitrocinnamic Acid 97% Material Safety Data Sheet
Synonym:3-(4,5-Dimethoxy-2-Nitrophenyl)acrylic Acid
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
20567-38-8	4,5-Dimethoxy-2-Nitrocinnamic Acid	97%	unlisted

Hazard Symbols: None Listed.
Risk Phrases: None Listed.
Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.
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. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.
Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 20567-38-8: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: > 270 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C11H11NO6
Molecular Weight: 253.21
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 20567-38-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4,5-Dimethoxy-2-Nitrocinnamic Acid - 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
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.
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.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 20567-38-8: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 20567-38-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 20567-38-8 is not listed on the TSCA inventory.
It is for research and development use only.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据

中国海关编码：2918990090

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

摘要/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%

分子结构与计算化学数据

分子结构数据

1、 摩尔折射率：63.60

2、 摩尔体积(m³/mol)：184.8

3、 等张比容(90.2K)：500.8

4、 表面张力(dyne/cm)：53.8

5、 极化率(10-24cm³)：25.21

计算化学数据

1、疏水参数计算参考值（XlogP）:2.3

2、氢键供体数量：0

3、氢键受体数量：6

4、可旋转化学键数量:3

5、互变异构体数量：

6、拓扑分子极性表面积（TPSA）:102

7、重原子数量：18

8、表面电荷：0

9、复杂度：331

10、同位素原子数量：0

11、确定原子立构中心数量：0

12、不确定原子立构中心数量：0

13、确定化学键立构中心数量：1

14、不确定化学键立构中心数量：0

15、共价键单元数量：1