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名称:3,5-二甲基异恶唑
 

纯度:99% 包装:180kg/桶
结构式
           

CAS: 300-87-8
分子式: C5H7NO
分子量: 97.12
 
中文名称: 3,5-二甲基异恶唑
                      3,5-二甲基异噁唑
 
英文名称: 3,5-Dimethylisoxazole
      3,5-dimethyl-isoxazol
                      3,5-dimethyl-isoxazole
 
性质描述: 常温下为清澈无色液体,具有令人厌恶的气味,密度 0.99,沸点142-144℃,折射率1.441-1.443,闪点 31℃,可溶于水。

质量标准:
外观 无色透明液体
含量 99%min
水分 0.5%max

用途:医药或农药中间体,用于药物合成,也用于试剂。

其它信息:
Product Identification
【Product Name】3,5-Dimethylisoxazole
【Synonyms】Dimexaxol ;3,5-二甲基异恶唑
【CAS】300-87-8
【Formula】C5H7NO
【Molecular Weight】97.12
【EINECS】206-100-2
【RTECS】NY2774200
【RTECS Class】Drug
【Beilstein/Gmelin】106324
【Beilstein Reference】4-27-00-00978
【EC Class】flammable

Physical and Chemical Properties
【Appearance】Clear, colorless liquid. Putrid odor.
【Solubility in water】Soluble
【Boiling Point】142℃
【Density】1.0026 g/cm3 (0℃)
【Refractive Index】1.4411 (15.2℃)

First Aid Measures
【Ingestion】do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Immediately 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 away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
【Handling】Wash thoroughly after handling. Wash hands before eating. Use only in a well ventilated area. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Do not get on skin or in eyes. Avoid ingestion and inhalation.

Hazards Identification
【Ingestion】Ingestion of large amounts may cause gastrointestinal irritation.
【Inhalation】May cause allergic respiratory reaction.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【Hazards】Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
【EC Risk Phrase】R 10
【EC Safety Phrase】S 23 24/25
【UN (DOT)】1993

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 protective gloves to prevent skin exposure. Clothing: Wear appropriate protective 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.

Fire Fighting Measures
【Flash Point】31℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide. Water may be ineffective.
【Fire Potential】HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Scoop up with a nonsparking tool, then place into a suitable container for disposal.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents, acids, acid chlorides, acid anhydrides, and carbon dioxide.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

Transport Information
【UN Number】1993
【Hazard Class】3
【Packing Group】I; II; III
【HS Code】2934 99 90



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