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Diphenylmethane-4,4'-Diisocyanate

Diphenylmethane-4,4'-Diisocyanate / CAS : 26447-40-5

Appearance White to light yellow flakes or crystals UN 2206
HS 29291030 DG Class -
Synonyms 4,4'-Diphenylmethane Diisocyanate; Diphenylmethane Diisocyanate; Bis(4-Isocyanatophenyl)Methane; Isonate; p,p'-Diphenylmethane Diisocyanate; 1,1'-Methylenebis(4-Isocyanatobenzene); 4,4'-Methylenebis(Phenyl Isocyanate); Methylbisphenyl Isocyanate; 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
Polymers Material > Plastic Raw Materials And Products

Chemical and Physical Properties

Melting Point
38-44℃
Density
1.13 g/cm3
Boiling Point
373.4ºC
Flash Point
154ºC
Appearance
White to light yellow flakes or crystals
Acidity and Basicity
neutral

Export information

HS Code
29291030
Export Rebate
13%
UN No.
2206
Risk Code
R20-36/37/38-42/43
Safety Label
Xn

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