256439
4,4′-亚甲基双(异氰酸苯酯)
98%
别名:
4,4′-MDI, 二苯基甲烷-4,4′-二异氰酸酯
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关于此项目
线性分子式:
CH2(C6H4NCO)2
化学文摘社编号:
分子量:
250.25
Beilstein:
797662
EC 号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23
质量水平
方案
98%
表单
solid
反应适用性
reagent type: cross-linking reagent
沸点
200 °C/5 mmHg (lit.)
mp
42-45 °C (lit.)
密度
1.18 g/mL at 25 °C (lit.)
储存温度
−20°C
SMILES字符串
O=C=Nc1ccc(Cc2ccc(cc2)N=C=O)cc1
InChI
1S/C15H10N2O2/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19/h1-8H,9H2
InChI key
UPMLOUAZCHDJJD-UHFFFAOYSA-N
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一般描述
4,4′-亚甲基双(异氰酸苯酯)(MDI) 是一种芳香族二异氰酸酯类单体,广泛应用于聚氨酯塑料、绝热泡沫、涂料、粘合剂和密封剂的生产。由于两个异氰酸酯官能团的存在,它具有很高的反应活性。MDI以良好的强度、耐用性和耐化学和环境损伤而著称,这些性质使其可用于树脂组合物、平版印刷版、涂层膜、光学膜、图像显示设备、半导体设备和聚氨酯泡沫生产。
应用
4,4′-亚甲基双(苯基异氰酸酯)可用作起始材料来合成:
- 适用于医疗植入物的聚氨酯阳离子聚合物。
- 一种用于制备自愈合聚氨酯弹性体的预聚物。
警示用语:
Danger
危险分类
Acute Tox. 4 Inhalation - Carc. 2 - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
411.8 °F - closed cup
闪点(°C)
211 °C - closed cup
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
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