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Product introduction
物理描述 | 1,2,4,5-四甲基苯为无色晶体,具有樟脑气味。(NTP, 1992)
Chinese name
均四甲苯
English name
1,2,4,5-tetramethylbenzene
Chinese alias
1,2,4,5-四甲苯;1,2,4,5-四甲基苯
English alias
NCGC00259469-01 | 1,2,4,5-Tetramethylbenzene, Standard for quantitative NMR, TraceCERT(R) | CCRIS 8660 | Z104473710 | p-Xylene, 2,5-dimethyl- | EN300-19396 | 1,2,4,5-TETRAMETHLYBENZENE | 1,2,4,5-Tetramethylbenzene; p-Xylene, 2,5-dimethyl- (7CI); 1,2,4,5-T
CAS number
95-93-2
molecular formula
C10H14
molecular weight
134.22
Exact mass
核磁定量标准品
PSA
0.000 Ų
Logp
4
Safety
  • DOT label: 易燃固体
  • Health hazard: 火灾可能产生刺激性和/或有毒气体。接触可能导致皮肤和眼睛灼伤。与熔融物质接触可能导致皮肤和眼睛严重灼伤。来自灭火或稀释水的径流可能导致环境污染。(ERG, 2024)
  • reactive group: 烃类,芳香族
  • First aid measures: 食入:不要催吐。如果受害者意识清醒且没有抽搐,给予1-2杯水稀释化学物质,并立即呼叫医院或中毒控制中心。如果医生建议,准备将受害者送往医院。如果受害者抽搐或昏迷,不要经口给予任何东西,确保受害者的气道通畅,让受害者侧卧,头部低于身体。不要催吐。立即将受害者送往医院。(NTP, 1992)
  • Regulatory information: 新西兰EPA化学品状态清单:1,2,4,5-四甲基苯:没有单独的批准,但可以在适当的团体标准下使用
  • fire hazard: 易燃/可燃材料。可能被摩擦、热量、火花或火焰点燃。一些可能迅速燃烧并伴有火焰燃烧效果。粉末、粉尘、刨花、钻孔屑、车屑或切屑可能爆炸或以爆炸性方式燃烧。物质可能以熔融形式运输,温度可能高于其闪点。灭火后可能重新点燃。(ERG, 2024)
  • fire fighting: 为扑灭涉及此化学品的火灾,您可以使用干化学灭火器、二氧化碳灭火器、泡沫灭火器或哈龙灭火器;也可使用水喷雾。(NTP, 1992)
  • reactivity profile: 芳香烃(如1,2,4,5-四甲基苯)与强氧化剂接触可能导致剧烈反应,有时甚至爆炸。它们可以与碱和重氮化合物发生放热反应。苯核上的取代通过卤化(酸催化剂)、硝化、磺化和傅-克反应进行。
  • Isolation and evacuation: 火灾:如果涉及罐、铁路罐车或公路罐车,应在所有方向上隔离800米(1/2英里);同时,考虑在所有方向上初始疏散800米(1/2英里)。(ERG, 2024)
  • Air and water reaction: 不溶于水。
  • Hazard categories and classifications: 水生慢性4 (67.1%)
  • Non-fire leakage response: 储存注意事项:您应将此材料存放在冰箱中。(NTP, 1992)
  • Personal protective equipment (PPE): 推荐手套材料:渗透数据表明丁基橡胶手套可能提供对该化合物的接触保护。推荐丁基橡胶覆盖乳胶手套。然而,如果该化学品直接接触您的手套,或出现撕裂、孔洞或穿刺,请立即取下。(NTP, 1992)
  • Protective Action Standards (PAC): PAC-3: 1400 [mg/m3]
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Research chemical 250mg

Research chemical 250mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 250mg.

item number:77903-250mg
Product model:250mg
level: 250mg
Lead Time:-
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