73746-44-8

• 常用中文名：4,5-二碘-2-甲基咪唑
• 常用英文名：4,5-Diiodo-2-methyl-1H-imidazole
• CAS号：73746-44-8
• 分子式：C₄H₄I₂N₂
• 分子量：333.897
• 发布时间：2018-05-08 08:00:00
• 更新时间：2024-01-02 09:20:26

名称

• 中文名: 4,5-二碘-2-甲基咪唑
• 英文名: 4,5-Diiodo-2-methyl-1H-imidazole
• 英文别名: 4,5-Dijod-2-methyl-1H-imidazol; MFCD00464337; 2-methyl-4,5-diidoimidazole; 4,5-diiodo-2-methyl-imidazole; 1H-Imidazole, 4,5-diiodo-2-methyl-; 4,5-Diiodo-2-methyl-1H-imidazole

物化性质

• 密度: 2.8±0.1 g/cm3
• 沸点: 434.9±30.0 °C at 760 mmHg
• 熔点: 194ºC
• 分子式: C₄H₄I₂N₂
• 分子量: 333.897
• 闪点: 216.8±24.6 °C
• 精确质量: 333.846375
• PSA: 28.68000
• LogP: 2.16
• 外观性状: 晶体
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.749
• 储存条件: 2-8℃，避光，惰性气体保存

MSDS

Name: 4 5-Diiodo-2-methyl-1h-imidazole 97% Material Safety Data Sheet Synonym: CAS: 73746-44-8 Section 1 - Chemical Product MSDS Name:4 5-Diiodo-2-methyl-1h-imidazole 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 73746-44-8 4,5-Diiodo-2-methyl-1H-imidazole 97% unlisted Hazard Symbols: XN Risk Phrases: 20/21/22 22 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed. Harmful if swallowed. 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: Harmful if swallowed. May cause irritation of the digestive tract. 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# 73746-44-8: 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: odorless - slight odor pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 194 - 195 deg C(decom) 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: C4H4I2N2 Molecular Weight: 333.89 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, hydrogen iodide, iodine. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 73746-44-8 unlisted. LD50/LC50: Not available. Carcinogenicity: 4,5-Diiodo-2-methyl-1H-imidazole - 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 Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.* Hazard Class: 6.1 UN Number: 2811 Packing Group: III IMO Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing Group: III RID/ADR Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing group: III Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XN Risk Phrases: R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed. R 22 Harmful if swallowed. 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 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 73746-44-8: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 73746-44-8 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 73746-44-8 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): Xn:Harmful;
• 风险声明 (欧洲): R22;R36/37/38
• 安全声明 (欧洲): S26-S37/39
• 海关编码: 2933290090

合成路线

693-98-1 ~99% 73746-44-8

文献：ACTELION PHARMACEUTICALS LTD Patent: WO2008/78291 A1, 2008 ; Location in patent: Page/Page column 62 ; WO 2008/078291 A1

693-98-1 ~% 73746-44-8 73746-45-9

文献：Journal of Organic Chemistry, , vol. 45, # 15 p. 3108 - 3111

海关

海关编码	2933290090
中文概述	2933290090. 其他结构含非稠合咪唑环的化合物. 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	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%