175276-94-5

• 常用中文名：2-(3-噻吩基)乙醇肼
• 常用英文名：2-thien-3-ylacetohydrazide
• CAS号：175276-94-5
• 分子式：C₆H₈N₂OS
• 分子量：156.206
• 发布时间：2018-02-26 08:00:00
• 更新时间：2024-01-14 21:29:07
• 下载msds

名称

• 中文名: 2-(3-噻吩基)乙醇肼
• 英文名: 2-thiophen-3-ylacetohydrazide
• 中文别名: 噻吩-3-乙酸肼; 噻吩-3-醋酸肼
• 英文别名: 2-(3-thienyl)ethanohydrazide; 3-Thiopheneacetic acid, hydrazide; [3]Thienyl-essigsaeure-hydrazid; [3]thienyl-acetic acid hydrazide; MFCD00052946; thiophen-3-ylacetic acid hydrazide; 2-(3-Thienyl)acetohydrazide; 2-thien-3-ylacetohydrazide; thiophene-3-acetic hydrazide; 2-(Thien-3-yl)acetohydrazide; Thiophene-3-acetic acid hydrazide

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 387.5±25.0 °C at 760 mmHg
• 熔点: 85-86°C
• 分子式: C₆H₈N₂OS
• 分子量: 156.206
• 闪点: 188.1±23.2 °C
• 精确质量: 156.035736
• PSA: 83.36000
• LogP: -0.18
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.597
• 储存条件:

  保存方法：密闭，阴凉，通风干燥处

• 稳定性:

  避氧化物

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:2

  3.氢键受体数量:3

  4.可旋转化学键数量:2

  5.互变异构体数量:2

  6.拓扑分子极性表面积83.4

  7.重原子数量:10

  8.表面电荷:0

  9.复杂度:129

  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

• 更多:

  1. 性状：奶油色或浅棕色的固体

  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）：85-86

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC 28 mmHg）：未确定

  7. 折射率：未确定

  8. 闪点（ºF 28mm ）：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

MSDS

Name: 2-(3-Thienyl)ethanohydrazide 97% Material Safety Data Sheet Synonym: Thiophene-3-acetic acid hydrazide2-(Thien-3-yl)acetic acid hydrazid CAS: 175276-94-5 Section 1 - Chemical Product MSDS Name:2-(3-Thienyl)ethanohydrazide 97% Material Safety Data Sheet Synonym:Thiophene-3-acetic acid hydrazide2-(Thien-3-yl)acetic acid hydrazid Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 175276-94-5 2-(3-Thienyl)ethanohydrazide 97% unlisted Hazard Symbols: XI Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes 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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. 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. Combustion generates toxic fumes. 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: 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# 175276-94-5: 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: off-white - white crystalline solid Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 80 - 83 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: C6H8N2OS Molecular Weight: 156 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, acid chlorides, acids. Hazardous Decomposition Products: Hydrogen cyanide, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Not available. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 175276-94-5 unlisted. LD50/LC50: Not available. Carcinogenicity: 2-(3-Thienyl)ethanohydrazide - 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: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 175276-94-5: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 175276-94-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 175276-94-5 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 1、其它有害作用：通常对水稍微危害的，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xi:Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26-S36
• 海关编码: 2934999090

合成路线

37784-63-7 ~% 175276-94-5

文献：Journal of the American Chemical Society, , vol. 75, p. 1933,1934

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海关

海关编码	2934999090
中文概述	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
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%