Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 101-68-8
4,4'-Diphenylmethane diisocyanate is the most widely used isomer of methylene diphenyl diisocyanate (MDI), an aromatic diisocyanate. It is a key industrial chemical primarily employed in the production of polyurethane foams.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for 4,4'-Diphenylmethane diisocyanate (CAS 101-68-8) is 2929.10.
2929.10
2929 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene
UPMLOUAZCHDJJD-UHFFFAOYSA-N
C1=CC(=CC=C1CC2=CC=C(C=C2)N=C=O)N=C=O