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
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
202-966-0
Beilstein/REAXYS Number:
797662
MDL number:
产品名称
4,4′-亚甲基双(异氰酸苯酯), 98%
InChI key
UPMLOUAZCHDJJD-UHFFFAOYSA-N
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
SMILES string
O=C=Nc1ccc(Cc2ccc(cc2)N=C=O)cc1
assay
98%
form
solid
reaction suitability
reagent type: cross-linking reagent
bp
200 °C/5 mmHg (lit.)
mp
42-45 °C (lit.)
density
1.18 g/mL at 25 °C (lit.)
storage temp.
−20°C
Quality Level
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Application
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。
General description
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。
signalword
Danger
Hazard Classifications
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
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
411.8 °F - closed cup
flash_point_c
211 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
危险化学品
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