Product Name

  • Name

    butane-1,4-diol - 1,6-diisocyanatohexane (1:1)

  • EINECS
  • CAS No. 25748-74-7
  • Density
  • Solubility
  • Melting Point
  • Formula C12H22N2O4
  • Boiling Point 255°C at 760 mmHg
  • Molecular Weight 258.3141
  • Flash Point 140°C
  • Transport Information
  • Appearance
  • Safety Questionable carcinogen with experimental tumorigenic data by implant route. When heated to decomposition it emits very toxic fumes of CN and NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 25748-74-7 (butane-1,4-diol - 1,6-diisocyanatohexane (1:1))
  • Hazard Symbols
  • Synonyms
  • PSA
  • LogP

Polyurethane Y-299 Chemical Properties

Product Name: Polyurethane Y-299 (CAS NO.25748-74-7)


Molecular Formula: C12H22N2O4
Molecular Weight: 258.3141g/mol
Mol File: 25748-74-7.mol
Boiling point: 255 °C at 760 mmHg
Flash Point: 140 °C
Enthalpy of Vaporization: 49.25 kJ/mol
Vapour Pressure: 0.0167 mmHg at 25°C
H-Bond Donor: 2
H-Bond Acceptor: 6
Structure Descriptors of Polyurethane Y-299 (CAS NO.25748-74-7):
  IUPAC Name: butane-1,4-diol; 1,6-diisocyanatohexane
  Canonical SMILES: C(CCCN=C=O)CCN=C=O.C(CCO)CO
  InChI: InChI=1S/C8H12N2O2.C4H10O2/c11-7-9-5-3-1-2-4-6-10-8-12;5-3-1-2-4-6/h1-6H2;5-6H,1-4H2 
  InChIKey: DBVNLBRLOULOIZ-UHFFFAOYSA-N

Polyurethane Y-299 Safety Profile

Questionable carcinogen with experimental tumorigenic data by implant route. When heated to decomposition it emits very toxic fumes of CN and NOx.

Polyurethane Y-299 Specification

 Polyurethane Y-299 ,its CAS NO. is 25748-74-7,the synonyms is Duranate exp-D 101 ; Y 299 ; 1,4-Butanediol, polymer with 1,6-diisocyanatohexane (9CI) ; Isocyanic acid, hexamethylene ester, polymer with 1,4-butanediol (8CI) .

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