71050-40-3

• 常用中文名：4-甲氧基噻吩-3-羧酸
• 常用英文名：4-Methoxythiophene-3-carboxylic acid
• CAS号：71050-40-3
• 分子式：C₆H₆O₃S
• 分子量：158.17500
• 发布时间：2018-06-30 20:40:21
• 更新时间：2024-01-02 14:00:22
• 下载msds

名称

• 中文名: 4-甲氧基噻吩-3-羧酸
• 英文名: 4-Methoxythiophene-3-carboxylic acid
• 英文别名: 4-methoxythiophene-3-carboxylic acid

物化性质

• 密度: 1.37g/cm3
• 沸点: 295.693ºC at 760 mmHg
• 熔点: 105ºC
• 分子式: C₆H₆O₃S
• 分子量: 158.17500
• 闪点: 132.631ºC
• 精确质量: 158.00400
• PSA: 74.77000
• LogP: 1.45490
• 折射率: 1.577
• 储存条件: 2-8°C，避光干燥密封

MSDS

Name: 4-Methoxythiophene-3-carboxylic acid 95+% Material Safety Data Sheet Synonym: CAS: 71050-40-3 Section 1 - Chemical Product MSDS Name:4-Methoxythiophene-3-carboxylic acid 95+% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 71050-40-3 4-Methoxythiophene-3-carboxylic acid 95+% 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. 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# 71050-40-3: 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: beige Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 101 - 105 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: C6H6O3S 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, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 71050-40-3 unlisted. LD50/LC50: Not available. Carcinogenicity: 4-Methoxythiophene-3-carboxylic 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 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# 71050-40-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 71050-40-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 71050-40-3 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): 26-36/37/39
• 海关编码: 2934999090

合成路线

65369-22-4 ~81% 71050-40-3

文献：Mitsumori, Susumu; Tsuri, Tatsuo; Honma, Tsunetoshi; Hiramatsu, Yoshiharu; Okada, Toshihiko; Hashizume, Hiroshi; Inagaki, Masanao; Arimura, Akinori; Yasui, Kiyoshi; Asanuma, Fujio; Kishino, Junji; Ohtani, Mitsuaki Journal of Medicinal Chemistry, 2003 , vol. 46, # 12 p. 2446 - 2455

78071-37-1 ~% 71050-40-3

文献：Journal of Medicinal Chemistry, , vol. 46, # 12 p. 2446 - 2455

上下游产品

上游产品  2
65369-22-4 78071-37-1
下游产品  1
133659-14-0

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%