139742-50-0

• 常用中文名：4-苯并咪唑-1-甲基-苯甲酸
• 常用英文名：4-(benzimidazol-1-ylmethyl)benzoic acid
• CAS号：139742-50-0
• 分子式：C₁₅H₁₂N₂O₂
• 分子量：252.26800
• 发布时间：2018-03-19 08:00:00
• 更新时间：2024-01-03 07:32:55

名称

• 中文名: 4-苯并咪唑-1-甲基-苯甲酸
• 英文名: 4-(benzimidazol-1-ylmethyl)benzoic acid
• 中文别名: 4-(1H-苯并咪唑-1-甲基)苯甲酸
• 英文别名: 4-Benzoimidazol-1-ylmethylbenzoic acid; 4-(1H-1,3-benzodiazol-1-ylmethyl)benzoic acid; 4-((1H-benzo[d]imidazol-1-yl)methyl)benzoic acid; 4-[(1H-Benzimidazol-1-yl)methyl]benzoic acid; 4-(benzimidazol-1-ylmethyl)-benzoic acid

物化性质

• 密度: 1.27g/cm3
• 沸点: 505ºC at 760 mmHg
• 熔点: 263-265ºC
• 分子式: C₁₅H₁₂N₂O₂
• 分子量: 252.26800
• 闪点: 259.2ºC
• 精确质量: 252.09000
• PSA: 55.12000
• LogP: 2.78280
• 蒸汽压: 5.1E-11mmHg at 25°C
• 折射率: 1.653

MSDS

Name: 4-(1H-Benzimidazol-1-ylmethyl)benzoic acid 97% Material Safety Data Sheet Synonym: CAS: 139742-50-0 Section 1 - Chemical Product MSDS Name:4-(1H-Benzimidazol-1-ylmethyl)benzoic acid 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 139742-50-0 4-(1H-Benzimidazol-1-ylmethyl)benzoic 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# 139742-50-0: 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: yellow Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 263 - 265 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: C15H12N2O2 Molecular Weight: 252 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 139742-50-0 unlisted. LD50/LC50: Not available. Carcinogenicity: 4-(1H-Benzimidazol-1-ylmethyl)benzoic 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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 139742-50-0: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 139742-50-0 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 139742-50-0 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): R36/37/38
• 安全声明 (欧洲): S26
• 海关编码: 2933990090

合成路线

870766-44-2 ~78% 139742-50-0

文献：Ahmad, Musheer; Bharadwaj, Parimal K. Polyhedron, 2013 , vol. 52, p. 1145 - 1152

51-17-2 6232-88-8 ~% 139742-50-0

文献：Bioorganic and Medicinal Chemistry Letters, , vol. 13, # 4 p. 719 - 722

51-17-2 ~% 139742-50-0

文献：Bioorganic and Medicinal Chemistry Letters, , vol. 21, # 19 p. 5957 - 5960

2417-72-3 ~% 139742-50-0

文献：Bioorganic and Medicinal Chemistry Letters, , vol. 21, # 19 p. 5957 - 5960

上下游产品

上游产品  4
870766-44-2 51-17-2 6232-88-8 2417-72-3
下游产品  0

海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 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, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%