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品質等級
化驗
98%
形狀
solid
反應適用性
reagent type: cross-linking reagent
bp
200 °C/5 mmHg (lit.)
mp
42-45 °C (lit.)
密度
1.18 g/mL at 25 °C (lit.)
儲存溫度
−20°C
SMILES 字串
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 密鑰
UPMLOUAZCHDJJD-UHFFFAOYSA-N
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一般說明
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。
應用
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。
訊號詞
Danger
危險分類
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
標靶器官
Respiratory system
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
411.8 °F - closed cup
閃點（°C）
211 °C - closed cup
個人防護裝備
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
其他客户在看
Journal of Applied Physiology, 70, 6983-6983 (1991)
Malin Engfeldt et al.
Contact dermatitis, 68(3), 175-180 (2012-10-11)
A 43-year-old woman was referred by her occupational health service with suspected occupational contact dermatitis. In connection with the investigation, a workplace visit was undertaken at her company, which used an adhesive based on pre-polymeric diphenylmethane diisocyanate in one of
A comparison of two sampling methods for the detection of airborne methylene bisphenyl diisocyanate.
Joshua W Schaeffer et al.
Journal of occupational and environmental hygiene, 10(4), 213-221 (2013-02-28)
The purpose of this study was to determine if there was a significant difference between two readily available sampling methodologies for airborne methylene bisphenyl diisocyanate (MDI), which is an essential precursor in the spray-on truck bed lining industry. Seventy-two personal
Adam V Wisnewski et al.
Molecular immunology, 54(2), 233-237 (2013-01-09)
Methylene diphenyl diisocyanate (MDI), a low molecular weight chemical important for producing polyurethane foam, coatings, and elastomers is a major cause of occupational asthma, however, mechanisms of disease pathogenesis remain poorly understood. This study characterizes the rearranged germline and hypervariable
Hanna K Lindberg et al.
Mutation research, 723(1), 1-10 (2011-04-02)
Toluene diisocyanate (TDI) and 4,4'-methylenediphenyl diisocyanate (MDI), used in the production of polyurethane foam, are well known for their irritating and sensitizing properties. Contradictory results have been obtained on their genotoxicity. We investigated the genotoxicity and protein binding of inhaled
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