Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
1,3-bis(6-isocyanatohexyl)-1,3-diazetidine-2,4-dione

Inventory

EC number:
245-699-5
EC name:
2,4-dioxo-1,3-diazetidine-1,3-bis(hexamethylene) diisocyanate
CAS number:
23501-81-7
CAS number:
23501-81-7
Synonyms
Names:
HDI Dimer
HDI Uretdione

Molecular and structural information

Molecular formula:
C16H24N4O4
Molecular weight:
336.386
SMILES notation:
C(CCCN1C(=O)N(C1=O)CCCCCCN=C=O)CCN=C=O
InChl:
InChI=1/C16H24N4O4/c21-13-17-9-5-1-3-7-11-19-15(23)20(16(19)24)12-8-4-2-6-10-18-14-22/h1-12H2
Structural formula:
Chemical structure

Related substances