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Product introduction
Research chemical ≥98. 0%; 100mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: ≥98. 0%; 100mg.
Chinese name
4,4'-二异氰酸基-3,3'-二甲基联苯(TODI)
English name
1-isocyanato-4-(4-isocyanato-3-methylphenyl)-2-methylbenzene
Chinese alias
邻联甲苯二异氰酸酯
English alias
4,3'-bitolyl | BRN 2743710 | EC 202-112-7 | W-100299 | 3,3'-DIMETHYL-4,4'-DIPHENYLENEDIISOCYANATE (DIISOCYANATES) | WLN: OCNR B1 DR C1 DNCO | 4,4'-Diisocyanato-3,3'-dimethyl-1,1'-biphenyl # | 4,4-Diisocyanato-3,3-dimethyl-1,1-biphenyl | 4-13-00-00424 (Bei
CAS number
91-97-4
molecular formula
C16H12N2O2
molecular weight
264.28
Exact mass
≥98%
PSA
58.9
Logp
5.9
Safety
  • DOT label: 有毒
  • Health hazard: 有毒和/或腐蚀性;吸入、摄入或接触(皮肤、眼睛)蒸气、粉尘或物质可能导致严重伤害、烧伤或死亡。接触熔融物质可能导致皮肤和眼睛严重烧伤。与水或潮湿空气反应可能释放有毒、腐蚀性或易燃气体。与水反应可能产生大量热量,会增加空气中烟雾的浓度。火灾会产生刺激性、腐蚀性和/或有毒气体。来自消防或稀释水的径流可能具有腐蚀性和/或毒性,并造成环境污染。(ERG, 2024)
  • reactive group: 异氰酸酯和异硫氰酸酯
  • First aid measures: 参考"一般急救"部分。特定急救:对于腐蚀性物质,如接触,立即用流动水冲洗皮肤或眼睛至少30分钟。可能需要额外冲洗。从皮肤上清除凝固的熔融材料需要医疗协助。(ERG, 2024)
  • Regulatory information: REACH限制物质:限制条件文件:PDF链接
  • fire hazard: 可燃物质:可能燃烧但不易点燃。物质会与水反应(有些剧烈),释放易燃、有毒或腐蚀性气体和径流。加热时,蒸气可能与空气形成爆炸性混合物:室内、室外和下水道有爆炸危险。大多数蒸气比空气重。它们会沿地面扩散并聚集在低洼或受限区域(下水道、地下室、储罐等)。蒸气可能传播至点火源并回火。腐蚀性物质接触金属可能释放易燃氢气。容器在加热或受水污染时可能爆炸。(ERG, 2024)
  • fire fighting: FIRE INVOLVING TANKS, RAIL TANK CARS OR HIGHWAY TANKS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks in direct contact with flames. (ERG, 2024)
  • reactivity profile: 异氰酸酯和硫代异氰酸酯,如3,3'-二甲基-4,4'-二苯基二异氰酸酯,与许多类化合物不相容,反应放热并释放有毒气体。与胺、醛、醇、碱金属、酮、硫醇、强氧化剂、氢化物、酚和过氧化物反应可引起剧烈放热。酸和碱在这些材料中引发聚合反应。一些异氰酸酯与水反应生成胺并释放二氧化碳。异氰酸酯与醇的碱催化反应应在惰性溶剂中进行。此类无溶剂反应通常以爆炸性剧烈进行,[Wischmeyer(1969)]。
  • 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: 与空气无快速反应。与水无快速反应。
  • Hazard categories and classifications: 皮肤致敏物 1A
  • Non-fire leakage response: 少量泄漏:用干土、干沙或其他不燃材料覆盖,然后盖上塑料布以减少扩散或与雨水接触。使用干净、无火花工具收集材料并将其放入松散覆盖的塑料容器中以便后续处置。(ERG, 2024)
  • Personal protective equipment (PPE): 佩戴正压自给式呼吸器(SCBA)。在没有火灾风险时,佩戴制造商特别推荐的化学防护服。结构消防员的防护服提供热保护,但仅提供有限的化学保护。(ERG,2024)
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Research chemical ≥98. 0%; 100mg

Research chemical ≥98. 0%; 100mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: ≥98. 0%; 100mg.

item number:714953-100mg
Product model:100mg
level: ≥98. 0%; 100mg
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