274910-19-9

• 常用中文名：(2,3-二氢苯并[b][1,4]二恶烷-5-基)甲醇
• 常用英文名：(2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methanol
• CAS号：274910-19-9
• 分子式：C₉H₁₀O₃
• 分子量：166.174
• 发布时间：2018-11-23 10:04:31
• 更新时间：2024-01-14 07:44:23

名称

• 中文名: 2,3-二氢-1,4-苯并二噁英-5-甲醇
• 英文名: 2,3-dihydro-1,4-benzodioxin-5-ylmethanol
• 中文别名: 2,3-二氢-1,4-苯并二恶烷-5-甲基醇
• 英文别名: 2,3-ethylenedioxybenzyl alcohol; 2,3-dihydro-1,4-benzdioxin-5-ylmethanol; 2,3-DIHYDRO-1,4-BENZODIOXIN-5-YLMETHANOL; (2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methanol; 2H,3H-benzo[e]1,4-dioxan-5-ylmethan-1-ol; 1,4-Benzodioxin-5-methanol, 2,3-dihydro-; 2,3-DIAMINO-5-BROMO-4-PICOLINE; 5-hydroxymethyl-1,4-benzodioxan; (2,3-dihydrobenzo[1,4]dioxin-5-yl)methanol

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 306.4±31.0 °C at 760 mmHg
• 熔点: 54ºC
• 分子式: C₉H₁₀O₃
• 分子量: 166.174
• 闪点: 139.1±24.8 °C
• 精确质量: 166.062988
• PSA: 38.69000
• LogP: 0.70
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.572
• 储存条件: 2-8°C

MSDS

Name: 2 3-Dihydro-1 4-benzodioxin-5-ylmethanol 97% Material Safety Data Sheet Synonym: CAS: 274910-19-9 Section 1 - Chemical Product MSDS Name:2 3-Dihydro-1 4-benzodioxin-5-ylmethanol 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 274910-19-9 2,3-Dihydro-1,4-benzodioxin-5-ylmethan 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. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Get medical aid immediately. Skin: Get medical aid. Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Get medical aid. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. 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. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. 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# 274910-19-9: 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: Not available. Color: Not available. Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 54 - 55 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: C9H10O3 Molecular Weight: 166.18 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, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 274910-19-9 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,3-Dihydro-1,4-benzodioxin-5-ylmethanol - 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# 274910-19-9: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 274910-19-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 274910-19-9 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: 2932999099

合成路线

29668-43-7 ~85% 274910-19-9

文献：Deveau, Amy Morin; Macdonald, Timothy L. Tetrahedron Letters, 2004 , vol. 45, # 4 p. 803 - 807

261767-10-6 ~85% 274910-19-9

文献：H. Lundbeck A/S Patent: US2002/32205 A1, 2002 ;

24677-78-9 106-93-4 ~26% 274910-19-9

文献：ELI LILLY AND COMPANY Patent: WO2003/76442 A1, 2003 ; Location in patent: Page/Page column 49; 63-64 ; WO 03/076442 A1

24677-78-9 ~% 274910-19-9

文献：Deveau, Amy Morin; Macdonald, Timothy L. Tetrahedron Letters, 2004 , vol. 45, # 4 p. 803 - 807

上下游产品

上游产品  4
29668-43-7 261767-10-6 24677-78-9 106-93-4
下游产品  1
29668-43-7

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%