175203-77-7

• 常用中文名：2-(3-吡嗪-2-基-1,2,4-恶二唑-5-基)乙肼
• 常用英文名：2-(3-(PYRAZIN-2-YL)-1,2,4-OXADIAZOL-5-YL)ACETOHYDRAZIDE
• CAS号：175203-77-7
• 分子式：C₈H₈N₆O₂
• 分子量：220.18800
• 发布时间：2018-12-27 20:11:47
• 更新时间：2024-01-06 12:43:28

名称

• 中文名: 2-(3-吡嗪-2-基-1,2,4-恶二唑-5-基)乙肼
• 英文名: 2-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)acetohydrazide
• 中文别名: 2-(3-吡嗪-2-基-1,2,4-噁二唑-5-基)乙酰肼
• 英文别名: 2-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl)ethanohydrazide; 2-(3-(Pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)acetohydrazide

物化性质

• 密度: 1.44g/cm3
• 熔点: 184ºC
• 分子式: C₈H₈N₆O₂
• 分子量: 220.18800
• 精确质量: 220.07100
• PSA: 119.82000
• LogP: 0.15020
• 折射率: 1.599

MSDS

Name: 2-(3-Pyrazin-2-yl-1 2 4-oxadiazol-5-yl)ethanohydrazide 97% Material Safety Data Sheet Synonym: CAS: 175203-77-7 Section 1 - Chemical Product MSDS Name:2-(3-Pyrazin-2-yl-1 2 4-oxadiazol-5-yl)ethanohydrazide 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 175203-77-7 2-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl 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# 175203-77-7: 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: brown Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 184 - 186 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: C8H8N6O2 Molecular Weight: 220 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, acids, reducing agents, acid chlorides. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 175203-77-7 unlisted. LD50/LC50: Not available. Carcinogenicity: 2-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl)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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 175203-77-7: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 175203-77-7 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 175203-77-7 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
• 安全声明 (欧洲): S24/25
• 海关编码: 2934999090

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%