279261-89-1

• 常用中文名：3,4-二氢-2H-1,5-苯并二氧-7-基硼酸
• 常用英文名：3,4-DIHYDRO-2H-1,5-BENZODIOXEPIN-7-YLBORONIC ACID
• CAS号：279261-89-1
• 分子式：C₉H₁₁BO₄
• 分子量：193.99200
• 发布时间：2018-06-17 11:40:17
• 更新时间：2024-04-05 12:09:04
• 下载msds

名称

• 中文名: 3,4-二氢-2H-1,5-苯并二氧-7-基硼酸
• 英文名: 3,4-Dihydro-2H-1,5-benzodioxepin-7-ylboronic acid
• 中文别名: 3,4-二氢-2H-1,5-苯并二氧杂卓-7-硼酸; 3,4-二氢-2H-苯并[1,4]二氧庚烷-7硼酸; 3,4-二氢-2H-1,5-苯并二噁英-7-硼酸; (3,4-二氢-2H-苯并[B][1,4]二氧杂卓-7-基)硼酸
• 英文别名: 3,4-DIHYDRO-2H-1,5-BENZODIOXEPIN-7-YLBORONIC ACID; (3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)boronic acid

物化性质

• 密度: 1.29g/cm3
• 沸点: 371ºC at 760mmHg
• 熔点: 150ºC
• 分子式: C₉H₁₁BO₄
• 分子量: 193.99200
• 闪点: 178.2ºC
• 精确质量: 194.07500
• PSA: 58.92000
• 外观性状: 白色至淡黄色晶体粉末
• 蒸汽压: 3.69E-06mmHg at 25°C
• 折射率: 1.563
• 储存条件: 2-8°C， 惰性气体

MSDS

Name: 3 4-Dihydro-2h-1 5-benzodioxepin-7-ylboronic acid 90+% Material Safety Data Sheet Synonym: CAS: 279261-89-1 Section 1 - Chemical Product MSDS Name:3 4-Dihydro-2h-1 5-benzodioxepin-7-ylboronic acid 90+% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 279261-89-1 3,4-Dihydro-2H-1,5-benzodioxepin-7-ylb 90+% 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# 279261-89-1: 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 Odor: odorless - slight odor pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 133 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: C9H11BO4 Molecular Weight: 193.99 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, alcohols. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, oxides of boron. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 279261-89-1 unlisted. LD50/LC50: Not available. Carcinogenicity: 3,4-Dihydro-2H-1,5-benzodioxepin-7-ylboronic 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# 279261-89-1: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 279261-89-1 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 279261-89-1 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: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): 26-37/39
• 海关编码: 2932999099

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧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
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%