Polymethylene Polyphenyl Isocyanate (9016-87-9)
1. Basic Information
1. Chemical Name: Polymethylene Polyphenyl Isocyanate
2. Chinese Aliases: Polymethylene Polyphenyl Isocyanate; Crude MDI; Wanhua PM-200; BASF M20S
3. English Name: Polymethylene Polyphenylene Isocyanate
4. Molecular Formula: C8H7NO2
5. Molecular Weight: 149.15
6. CAS Number: 9016-87-9
7. EINECS Number: 922-627-7
8. Appearance: Brown liquid
2. Technical Parameters
Test Item | Technical Standard Requirement
--- | ---
Appearance | Brown liquid
Viscosity (25℃) | 150~250
Isocyanate Content (-NCO) / % | 30.5~32.0
Hydrolyzable Chlorine / % | ≤0.20
Acidity / % | ≤0.030
Density (25℃) | 1.220~1.250
(The above parameters are for reference only, actual values should be based on the factory inspection sheet.)
3. Packaging Specifications
250 kg iron drum