6683-46-1

• 常用中文名：1,1,4,4-四甲基-1,2,3,4-四氢萘
• 常用英文名：1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene
• CAS号：6683-46-1
• 分子式：C₁₄H₂₀
• 分子量：188.309
• 发布时间：2018-12-23 17:29:13
• 更新时间：2024-01-08 09:52:25

名称

• 中文名: 1,1,4,4-四甲基-1,2,3,4-四氢萘
• 英文名: 1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene
• 中文别名: 1,2,3,4-四氢-1,1,4,4-四甲基萘; 1,1,4,4-四甲基-1,2,3,4-四氢化萘
• 英文别名: 1,1,4,4-tetramethyl-2,3-dihydronaphthalene; 1,1,4,4-Tetramethyl-1,2,3,4-tetrahydronaphthalene; Naphthalene, 1,2,3,4-tetrahydro-1,1,4,4-tetramethyl-

物化性质

• 密度: 0.9±0.1 g/cm3
• 沸点: 250.6±10.0 °C at 760 mmHg
• 熔点: 115-120°C
• 分子式: C₁₄H₂₀
• 分子量: 188.309
• 闪点: 101.2±7.1 °C
• 精确质量: 188.156494
• LogP: 5.97
• 蒸汽压: 0.0±0.2 mmHg at 25°C
• 折射率: 1.491
• 储存条件: 室温，干燥
• 计算化学:

  1.疏水参数计算参考值（XlogP）:5

  2.氢键供体数量:0

  3.氢键受体数量:0

  4.可旋转化学键数量:0

  5.互变异构体数量:无

  6.拓扑分子极性表面积0

  7.重原子数量:14

  8.表面电荷:0

  9.复杂度:188

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:1

MSDS

Name: 1 1 4 4-tetramethyl-1 2 3 4-tetrahydronaphthaline tech Material Safety Data Sheet Synonym: CAS: 6683-46-1 Section 1 - Chemical Product MSDS Name:1 1 4 4-tetramethyl-1 2 3 4-tetrahydronaphthaline tech Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 6683-46-1 1,1,4,4-tetramethyl-1,2,3,4-tetrahydro TECH 229-723-1 Hazard Symbols: XN Risk Phrases: 20/21 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation and in contact with skin. 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: 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: 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. 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# 6683-46-1: 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: Liquid Color: Pale yellow Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 93 - 95 deg C @6mm Hg Freezing/Melting Point: Not available. 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: C14H20 Molecular Weight: 188.32 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, strong acids, strong bases, acid chlorides. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 6683-46-1 unlisted. LD50/LC50: Not available. Carcinogenicity: 1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthaline, tech - 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 Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XN Risk Phrases: R 20/21 Harmful by inhalation and in contact with skin. R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 23 Do not inhale gas/fumes/vapour/spray. 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# 6683-46-1: No information available. Canada CAS# 6683-46-1 is listed on Canada's DSL List. CAS# 6683-46-1 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 6683-46-1 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 海关编码: 2902909090

合成路线

6223-78-5 ~61% 6683-46-1

文献：Centre Europeen de Bioprospective-Ceb Patent: US6265423 B1, 2001 ; US 6265423 B1

6223-78-5 71-43-2 ~82% 6683-46-1

文献：Kagechika, Hiroyuki; Kawachi, Emiko; Hashimoto, Yuichi; Himi, Toshiyuki; Shudo, Koichi Journal of Medicinal Chemistry, 1988 , vol. 31, # 11 p. 2182 - 2192

97595-53-4 ~% 6683-46-1

文献：Journal of the American Chemical Society, , vol. 85, p. 173 - 180

110-03-2 71-43-2 ~98% 6683-46-1

文献：Held, Pierre; Heck, Marie-Pierre; Iyer, Jaya; Gronemeyer, Hinrich; Lebeau, Luc; Mioskowski, Charles Journal of Labelled Compounds and Radiopharmaceuticals, 1997 , vol. 39, # 6 p. 501 - 507

110-03-2 ~% 6683-46-1

文献：Journal of Medicinal Chemistry, , vol. 31, # 11 p. 2182 - 2192

51510-58-8 ~% 6683-46-1

文献：Helvetica Chimica Acta, , vol. 56, # 5 p. 1775 - 1779 Journal of Organic Chemistry, , vol. 28, p. 2248 - 2255

7446-70-0 6223-78-5 71-43-2 ~% 6683-46-1

文献：Journal of the American Chemical Society, , vol. 62, p. 36,43

7446-70-0 110-03-2 71-43-2 ~% 6683-46-1 详细

文献：Doklady Akademii Nauk SSSR, , vol. 80, p. 369,371 Chem.Abstr., , p. 5022

上下游产品

上游产品  5
6223-78-5 71-43-2 110-03-2 51510-58-8
7446-70-0
下游产品  10
92050-16-3 102121-55-1 94497-51-5 94497-53-7
27452-17-1 71441-28-6 132392-26-8 17610-21-8
71441-09-3 71441-30-0

海关

海关编码	2902909090
中文概述	2902909090. 其他芳香烃. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:2.0%. 普通关税:30.0%
申报要素	品名, 成分含量
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%