1,2,3-Thiadiazole-4-carboxylicacid, ethyl ester

物化性质

密度：

1.32g/cm3

熔点：

80 °C

沸点：

231.1ºC at 760mmHg

闪点：

93.6ºC

折射率：

1.533

存储条件/存储方法：

密闭、阴凉、干燥处

稳定性相关：

按规定使用不会分解，避氧化剂

其它信息：

1. 性状：块状

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）：83-84

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：

1.32g/cm3

熔点：

80 °C

沸点：

231.1ºC at 760mmHg

闪点：

93.6ºC

折射率：

1.533

存储条件/存储方法：

密闭、阴凉、干燥处

稳定性相关：

按规定使用不会分解，避氧化剂

其它信息：

1. 性状：块状

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）：83-84

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：

该物质对环境稍微有危害，若无政府许可，勿将材料排入周围环境

MSDS

Name:	Ethyl 1 2 3-thiadiazole-4-carboxylate 97% Material Safety Data Sheet
Synonym:
CAS:	3989-36-4

Section 1 - Chemical Product   MSDS Name:Ethyl 1 2 3-thiadiazole-4-carboxylate 97% Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
3989-36-4	Ethyl 1,2,3-thiadiazole-4-carboxylate	97%	unlisted

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# 3989-36-4: 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: cream
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 83 - 84 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: C5H6N2O2S
Molecular Weight: 158
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 3989-36-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Ethyl 1,2,3-thiadiazole-4-carboxylate - 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# 3989-36-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 3989-36-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 3989-36-4 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：2934999090

概述：

2934999090. 其他杂环化合物. 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:20.0%

申报要素：

品名, 成分含量, 用途

摘要/Summary：

2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

分子结构与计算化学数据

计算化学数据

1.疏水参数计算参考值（XlogP）:1

2.氢键供体数量:0

3.氢键受体数量:5

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积80.3

7.重原子数量:10

8.表面电荷:0

9.复杂度:131

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:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1