【CAS】101-68-8
Alias: 1,1’-methylenebis(4-isocyanato)-benzene;para,para’-diphenylmethanediisocyanate
الصيغة الجزيئية: C15H10N2O2 Relative molecular mass: 250.25
الصيغة التركيبية:
1- خاصية المنتج
Light yellow molten solid with a strong irritating odor. Soluble in acetone, benzene, kerosene and nitrobenzene.
2.
| المعلمة | المواصفات |
| المظهر | Light yellow to brown solid/liquid |
| النقاء (GC، % بالوزن) | ≥ 99.5% (Polymer-grade) |
| NCO Content (% wt.) | 33.5 – 33.7 (Pure MDI) |
| Hydrolyzable Chloride | ≤ 0.01% (100 جزء في المليون) |
| Acidity (as HCl) | ≤ 0.002% (20 ppm) |
| Total Chlorine | ≤ 0.1% (1000 جزء من المليون) |
| Viscosity (25°C, mPa·s) | 150 – 250 (Liquid MDI) |
| المحتوى المائي | ≤ 0.05% (500 ppm) |
3- نطاق التطبيق والاستخدام
The primary products of this item are widely used in polyurethane coatings, and are also applied in waterproof materials, sealing materials, ceramic materials, etc. The polyurethane foam plastics made from this item are used as insulation (cooling) components, building materials, vehicle parts, and ship parts. The refined products can be made into car bumpers, shock absorbers, synthetic leather, non-plastic polyurethane, polyurethane elastic fibers, non-plastic elastic fibers, blister films, adhesives, etc.
4- العبوة والتخزين
The warehouse should be well-ventilated, kept at a low temperature and dry; items containing water, alcohols and amines should be stored separately.
