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Diphenylmethane-4,4'-Diisocyanate

Diphenylmethane-4,4'-Diisocyanate / CAS : 101-68-8

Appearance White to light yellow flakes or crystals UN 2206
HS 29291090 DG Class 6.1
Synonyms 4,4'-Methylenediphenyl Diisocyanate; Methylene di-p-Phenyl Diisocyanate,Flakes; 4,4'-Diphenylmethanediisocyanate; 4,4'-MDI; bis(4-Isocyanatophenyl)Methane; Hylenem50; Caradate30; Methylenediphenyl 4,4'-Diisocyanate; PMDI; Methylene 4,4'-Diphenyl Diisocyanate; 4,4'-Diphenylmethane Diisocyanate; Isonate; 4,4-Diphenylmethane Diisocyanate; 1,1‘-Methylenebis[4-Isocyanatobenzene]; p,p'-Diphenylmethane Diisocyanate; Methylene; 4,4'-Methylenebis(Phenyl Isocyanate); Desmodur44; MDI
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Properties

Summary

Formula
C15H10N2O2
Molecular Mass
250.25200
Exact Mass
250.07400
PSA
58.86000
Logp
3.21200
IUPAC
1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
SMILES
C1=CC(=CC=C1CC2=CC=C(C=C2)N=C=O)N=C=O

Attribute classification

Matter Classification
organic
Category
Organic Chemical Materials > Carboxylic Acids and Derivatives
Auxiliary > Plastic Rubber Chemicals

Chemical and Physical Properties

Melting Point
38-44 °C
Density
1.19 g/cm3
Boiling Point
392 °C
Flash Point
196 °C
Appearance
White to light yellow flakes or crystals
Acidity and Basicity
neutral

Export information

HS Code
29291090
Export Rebate
13%
UN No.
2206
DG-Class
6.1
Risk Code
R42/43-36/37/38-20-48/20-40
Safety Label
Xn,T,C

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