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名称:对苯二甲醚
纯度:99% 包装:50kg/桶

结构式
                            

CAS:          150-78-7
分子式:      C8H10O2
分子量:      138.16

中文名称:  对苯二甲醚
                   对苯二酚二甲醚
                   对甲氧基苯
                   1,4-二甲氧基苯
                   对二甲氧基苯
                   二甲基对苯二酚 

英文名称:  1,4-Dimethoxybenzene
                   1,4-dimethoxy-Benzene
                   p-dimethoxy-benzene
                   p-methoxy-anisol
                   1,4-dimethoxy-benzen
                   dimethyl ether hydroquinone

性质描述:  白色片状结晶。熔点55-56℃,沸点212-216℃,109℃(2.67kPa),相对密度1.0526(55、55℃),1.0293(65℃)。溶于乙醇、乙醚和苯,微溶于水。具丁香气味。

用途:    该品为有机合成中间体,用于生产药物甲氧胺盐酸盐、染料黑色盐ANS等。还用作定香剂,用于日用化学品,配制食品、烟用香精、还可作为塑料、涂料的抗风蚀剂。

Product Identification
【Product Name】1,4-Dimethoxybenzene
【Synonyms】p-Dimethoxybenzene
【CAS】150-78-7
【Formula】C8H10O2
【Molecular Weight】138.16999999999999
【EINECS】205-771-9
【RTECS】CZ6650000
【RTECS Class】Drug; Primary Irritant
【Beilstein/Gmelin】774605
【Beilstein Reference】4-06-00-05718

Physical and Chemical Properties
【Appearance】Colorless crystals.
【Solubility in water】Insoluble
【Melting Point】54 - 56
【Boiling Point】212.6
【Vapor Pressure】0.25 (25 C)
【Density】0.874 g/cm3 (24.9 C)
【Partition Coefficient】2.03
【Heat Of Vaporization】43.1 kJ/mol
【Heat Of Combustion】-4250 kJ/mol
【Usage】Weathering agent in paints & plastics, fixative in perfumes, dyes, resin int, cosmetics, flavoring.

First Aid Measures
【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 to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage
【Storage】Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.

Hazards Identification
【Inhalation】Causes respiratory tract irritation.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation. May cause visual disturbances.
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【Personal Protection】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 gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】Chronic exposure may cause visual disturbances.
【Poison Class】-

Fire Fighting Measures
【Flash Point】74
【Autoignition】>450
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. Use water spray to reduce vapors or divert vapor cloud drift.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable at room temperature in closed containers under normal storage and handling conditions.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【HS Code】2909 30 90



 申明:查阅对苯二甲醚安全技术说明书请点击MSDS搜索引擎查询。


 
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