Cas no 139-25-3 (4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane)

4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane structure
139-25-3 structure
Product Name:4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane
CAS No:139-25-3
MF:C17H14N2O2
MW:278.305263996124
CID:151304
PubChem ID:61090
Update Time:2025-04-19

4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane Chemical and Physical Properties

Names and Identifiers

    • 1-isocyanato-4-[(4-isocyanato-3-methylphenyl)methyl]-2-methylbenzene
    • 4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane
    • 3,3'-dimethyl-4,4'-diisocyanatodiphenylmethane
    • 3,3'-dimethyldiphenylmethane-4,4'-diisocyanate
    • Bis(4-isocyanato-3-methylphenyl)methane
    • Isocyanic acid,ester with di-o-toluenemethane
    • Nacconate 310
    • diisocyanatodimethyldiphenylmethane
    • 5,5’-methylenebis(2-isocyanatotoluene)
    • BENZENE11METHYLENEBIS4ISOCYANATO3METHYL
    • 5,5’-methylenebis(2-isocyanato-toluen
    • isocyanicacid,esterwithdi-o-toluenemethane
    • 1,1’-methylenebis[4-isocyanato-3-methyl-benzen
    • benzene,1,11-methylenebis(4-isocyanato-3-methyl-
    • AKOS024332216
    • Toluene, 5,5'-methylenebis(2-isocyanato-
    • 139-25-3
    • 3,3'-dimethyldiphenyl methane-4,4'-diisocyanate
    • Isocyanic acid, ester with di-o-toluenemethane
    • Benzene,1'-methylenebis[4-isocyanato-3-methyl-
    • UNII-3D7H11TIK1
    • WLN: OCNR B1 D1R C1 DNCO
    • Benzene,1,1'-methylenebis[4-isocyanato-3-methyl-
    • 3D7H11TIK1
    • BRN 2150383
    • 3,3'-Dimethyldiphenylmethane-4,4'-diisocyanate [Diisocyanates]
    • Benzene, 1,1'-methylenebis(4-isocyanato-3-methyl-
    • SCHEMBL15357
    • 5,5'-Methylenebis(2-isocyanatotoluene)
    • 4-13-00-00432 (Beilstein Handbook Reference)
    • NSC84203
    • Isocyanic acid, methylenebis(2-methyl-p-phenylene) ester
    • 4,4-DIISOCYANATO-3,3-DIMETHYLDIPHENYLMETHANE
    • 4,4/'-DIISOCYANATO-3,3/'-DIMETHYLDIPHENYLMETHANE
    • NSC 84203
    • 3,3'-Dimethyldiphenylmethane 4,4'-diisocyanate
    • Toluene,5'-methylenebis[2-isocyanato-
    • NSC-84203
    • FT-0739466
    • DTXSID3044548
    • Q27894277
    • MDL： MFCD00019910
    • Inchi： 1S/C17H14N2O2/c1-12-7-14(3-5-16(12)18-10-20)9-15-4-6-17(19-11-21)13(2)8-15/h3-8H,9H2,1-2H3
    • InChI Key： DTZHXCBUWSTOPO-UHFFFAOYSA-N
    • SMILES： O=C=NC1C=CC(=CC=1C)CC1C=CC(=C(C)C=1)N=C=O

Computed Properties

  • Exact Mass: 278.10600
  • Monoisotopic Mass: 278.106
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 21
  • Rotatable Bond Count: 4
  • Complexity: 398
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 6.2
  • Topological Polar Surface Area: 58.9A^2

Experimental Properties

  • Density: 1.1222 (rough estimate)
  • Boiling Point: 421.12°C (rough estimate)
  • Flash Point: 169.5 °C
  • Refractive Index: 1.5500 (estimate)
  • PSA: 58.86000
  • LogP: 3.82880

4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane Security Information

  • RTECS：NQ8820000

4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane Customs Data

  • HS CODE：2929109000
  • Customs Data：

    China Customs Code:

    2929109000

    Overview:

    2929109000. Other isocyanates. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
TRC
D451855-1mg
4,?4'-?Diisocyanato-?3,?3'-?dimethyldiphenylmeth?ane
 139-25-3
1mg
 $190.00 2023-05-18
TRC
D451855-10mg
4,?4'-?Diisocyanato-?3,?3'-?dimethyldiphenylmeth?ane
 139-25-3
10mg
 $1499.00 2023-05-18

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