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- 产品名：2446-四甲基-1-氧杂-3-氮杂-2-环己烯
- 纯度：97.0%
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26939-18-4
26939-18-4结构式
- 常用中文名：2,4,4,6-四甲基-1-氧杂-3-氮杂-2-环己烯
- 常用英文名：2,4,4,6-TETRAMETHYL-1-OXA-3-AZA-2-CYCLOHEXENE
- CAS号：26939-18-4
- 分子式：C8H15NO
- 分子量：141.21100
- 发布时间：2018-11-23 08:54:23
- 更新时间：2024-01-14 06:53:05
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1.醛、酮、羧酸的合成
| 中文名 | 2,4,4,6-四甲基-1-氧杂-3-氮杂-2-环己烯 |
|---|---|
| 英文名 | 2,4,4,6-tetramethyl-5,6-dihydro-1,3-oxazine |
| 中文别名 |
2,4,4,6-四甲基-1-噁-3-氮杂-2-环己烯
5,6-二氢-2,4,4,6-四甲基-1,3(4H)-噁嗪 5,6-二氢-2,4,4,6-四甲基-4H-1,3-恶嗪 |
| 英文别名 |
EINECS 248-117-8
2,4,4,6-Tetramethyl-1-oxa-3-aza-2-cyclohexene 2,4,4,6-Tetramethyl-4,5-dihydro-1,3-oxazine MFCD00014605 5,6-Dihydro-2,4,4,6-tetramethyl-4H-1,3-oxazine 2,4,4,6-Tetramethyl-5,6-dihydro-4H-1,3-oxazine 4H-1,3-Oxazine,5,6-dihydro-2,4,4,6-tetramethyl |
| 密度 | 0.88 |
|---|---|
| 沸点 | 47-49ºC (17 torr) |
| 分子式 | C8H15NO |
| 分子量 | 141.21100 |
| 闪点 | 43.4ºC |
| 精确质量 | 141.11500 |
| PSA | 21.59000 |
| LogP | 1.42780 |
| 蒸汽压 | 3.09mmHg at 25°C |
| 折射率 | 1.44-1.444 |
| 储存条件 | 1.保持贮藏器密封 2.放入紧密的贮藏器内，储存在阴凉，干燥的地方 |
| 稳定性 | 1.如果遵照规格使用和储存则不会分解 2.避免接触氧化物，水分/潮湿 |
| 分子结构 | 1、 摩尔折射率：41.09 2、 摩尔体积（cm3/mol）：145.7 3、 等张比容（90.2K）：332.1 4、 表面张力（dyne/cm）：27.0 5、 极化率（10-24cm3）：16.29 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:1.2 2.氢键供体数量:0 3.氢键受体数量:2 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21.6 7.重原子数量:10 8.表面电荷:0 9.复杂度:161 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:1 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 |
| 更多 | 1. 性状： 无色液体 2. 密度（g/mL,25/4℃）：0.886 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：未确定 5. 沸点（ºC,常压）：147-149 6. 沸点（ºC,5.2kPa）：未确定 7. 折射率：1.4450 8. 闪点（ºC）：未确定 9. 比旋光度（º）：未确定 10. 自燃点或引燃温度（ºC）：未确定 11. 蒸气压（kPa,25ºC）：未确定 12. 饱和蒸气压（kPa,60ºC）：未确定 13. 燃烧热（KJ/mol）：未确定 14. 临界温度（ºC）：未确定 15. 临界压力（KPa）：未确定 16. 油水（辛醇/水）分配系数的对数值：未确定 17. 爆炸上限（%,V/V）：未确定 18. 爆炸下限（%,V/V）：未确定 19. 溶解性：未确定 |
Synonym:4H-1,3-Oxazine, 5,6-Dihydro-2,4,4,6-Tetramethyl Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 10 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Flammable.The toxicological properties of this material have not been fully investigated.Hygroscopic (absorbs moisture from the air). Potential Health Effects Eye: May cause eye irritation. May cause chemical conjunctivitis and corneal damage. Skin: May cause irritation and dermatitis. May cause cyanosis of the extremities. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Ingestion of large amounts may cause CNS depression. Inhalation: The toxicological properties of this substance have not been fully investigated. Aspiration may lead to pulmonary edema. Vapors may cause dizziness or suffocation. May cause burning sensation in the chest. Chronic: No information found. 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. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. Vapors may form an explosive mixture with air. Vapors can travel to a source of ignition and flash back. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Will burn if involved in a fire. Use water spray to keep fire-exposed containers cool. Water may be ineffective. Material is lighter than water and a fire may be spread by the use of water. Containers may explode in the heat of a fire. Flammable liquid and vapor. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Extinguishing Media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. For large fires, use water spray, fog, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. Water may be ineffective. Do NOT use straight streams of water. 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. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. A vapor suppressing foam may be used to reduce vapors. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep away from heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Storage: Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. Store protected from moisture. 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 general or local explosion-proof ventilation to keep airborne levels to acceptable levels. Exposure Limits CAS# 26939-18-4: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Liquid Color: clear orange-red Odor: none reported pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: 47 - 49 deg C @ 17.00mm Hg Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: 45 deg C ( 113.00 deg F) Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: .8860g/cm3 Molecular Formula: C8H15NO Molecular Weight: 141.21 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, ignition sources, excess heat, strong oxidants, exposure to moist air or water. Incompatibilities with Other Materials: Moisture, strong acids, strong bases, strong oxidizing agents, strong reducing agents. Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 26939-18-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 4H-1,3-Oxazine, 5,6-Dihydro-2,4,4,6-Tetramethyl - 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: Not available. Risk Phrases: R 10 Flammable. Safety Phrases: S 9 Keep container in a well-ventilated place. S 16 Keep away from sources of ignition - No smoking. S 24/25 Avoid contact with skin and eyes. S 28A After contact with skin, wash immediately with plenty of water. S 33 Take precautionary measures against static discharges. S 37 Wear suitable gloves. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 26939-18-4: No information available. Canada CAS# 26939-18-4 is listed on Canada's NDSL List. CAS# 26939-18-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 26939-18-4 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A |
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生态学数据: 对水是稍微危害的，若无政府许可，勿将材料排入周围环境
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| 安全声明 (欧洲) | S24/25 |
|---|---|
| 危险品运输编码 | UN 1993 |
| 包装等级 | III |
| 海关编码 | 2934999090 |
| 上游产品 9 | |
|---|---|
| 下游产品 10 | |
1.在装有温度计、搅拌器和250毫升滴液漏斗的2升烧瓶中，加入400毫升浓硫酸(95一97%)。在冰浴中冷至0-5℃温度保持0一5℃的条件下，滴加90.2克(2.2摩尔)乙腊，加完后，也在保持同样温度的条件下，滴加236克(2.0摩尔)2一甲基---2 . 4---.戊二醉。将反应混合物再搅拌1小时，然后倾在大约15 00克碎冰上。水溶液用四份每份125毫升的氯仿萃取。弃去氯仿萃取液。水溶液加40%氢氧化钠溶液使呈碱性。在加氢氧化钠时不时加入碎冰以保持混合物的温度低于35℃。呈碱性后，分离出黄色汕状物。水层用三份每份100毫升的乙醚萃取，合并乙醚萃取液和油状物，用无水碳酸钾干燥。用旋转蒸发器蒸去乙醚，残余物经过长25厘米的分馏柱蒸馏，得183.2克(65%}的2,4，4，6一四甲基二氢一1，3一恶唑。(蒸馏时产物严重地起泡，用玻璃毛蒸馏可以避免此现象)。
| 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% |