3855-87-6

• 常用中文名：6,8-二溴甲氧基香豆素-3-甲酸
• 常用英文名：6,8-dibromocoumarin-3-carboxylic acid
• CAS号：3855-87-6
• 分子式：C₁₀H₄Br₂O₄
• 分子量：347.94400
• 发布时间：2018-09-10 21:09:20
• 更新时间：2024-01-10 17:45:37

名称

• 中文名: 6,8-二溴香豆素-3-羧酸
• 英文名: 6,8-Dibromo-2-oxo-2H-chromene-3-carboxylic acid
• 中文别名: 6,8-二溴-2-氧代-2H-色烯-3-羧酸; 6,8-二溴甲氧基香豆素-3-甲酸
• 英文别名: 6,8-Dibromo-2-oxo-2h-chromene-3-carboxylic acid,95+; 6,8-Dibrom-2-oxo-2H-chromen-3-carbonsaeure; MFCD00173735; IFLAB-BB F0777-0666; 6,8-DIBROMOCOUMARIN-3-CARBOXYLIC ACID; 6,8-diBrCcaH

物化性质

• 密度: 2.178g/cm3
• 沸点: 483.2ºC at 760mmHg
• 熔点: 221ºC
• 分子式: C₁₀H₄Br₂O₄
• 分子量: 347.94400
• 闪点: 246ºC
• 精确质量: 345.84800
• PSA: 67.51000
• LogP: 3.01620
• 外观性状: 固体
• 储存条件:

  常温，避光，通风干燥处，密封保存

• 稳定性:

  常温常压下稳定

MSDS

Name: 6 8-Dibromo-2-oxo-2h-chromene-3-carboxylic acid 95+ Material Safety Data Sheet Synonym: 6,8-Dibromocoumarin-3-carboxylic aci CAS: 3855-87-6 Section 1 - Chemical Product MSDS Name:6 8-Dibromo-2-oxo-2h-chromene-3-carboxylic acid 95+ Material Safety Data Sheet Synonym:6,8-Dibromocoumarin-3-carboxylic aci Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 3855-87-6 6,8-Dibromo-2-oxo-2H-chromene-3-carbox 95+% unlisted Hazard Symbols: XN Risk Phrases: 20/21/22 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. Harmful if absorbed through the skin. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. Inhalation: Harmful if inhaled. Causes respiratory tract irritation. 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# 3855-87-6: 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: white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 221 - 224 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: C10H4Br2O4 Molecular Weight: 348 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen bromide, bromine. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 3855-87-6 unlisted. LD50/LC50: Not available. Carcinogenicity: 6,8-Dibromo-2-oxo-2H-chromene-3-carboxylic 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 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 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. WGK (Water Danger/Protection) CAS# 3855-87-6: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 3855-87-6 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 3855-87-6 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境

安全

• 危害码 (欧洲): Xn:Harmful;
• 风险声明 (欧洲): R20/21/22;R36/37/38
• 安全声明 (欧洲): S26-S36/37/39
• 海关编码: 2932209090

合成路线

2199-89-5 ~89% 3855-87-6

文献：Bonsignore, Leonardo; Cottiglia, Filippo; Maccioni, Anna M.; Secci, Daniela; Lavagna, Silvio M. Journal of Heterocyclic Chemistry, 1995 , vol. 32, # 2 p. 573 - 578

2033-24-1 90-59-5 ~92% 3855-87-6

文献：Undale, Kedar A.; Gaikwad, Dipak S.; Shaikh, Tarannum S.; Desai, Uday V.; Pore, Dattaprasad M. Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2012 , vol. 51, # 7 p. 1039 - 1042

90-59-5 ~% 3855-87-6

文献：Watson, Brett T.; Christiansen, Gerda E. Tetrahedron Letters, 1998 , vol. 39, # 33 p. 6087 - 6090

90-59-5 372-09-8 ~% 3855-87-6

文献：Endo Prod. Inc. Patent: US2683720 , 1949 ;

90-59-5 141-82-2 ~% 3855-87-6

文献：Pandya; Pandya Proceedings - Indian Academy of Sciences, Section A, 1943 , # 18 p. 164,166

上下游产品

上游产品  5
2199-89-5 2033-24-1 90-59-5 372-09-8
141-82-2
下游产品  1
33259-35-7

海关

海关编码	2932209090
中文概述	2932209090. 其他内酯. 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	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%