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EC number: 905-806-4
CAS number: -
Based on structural analogues (Fisk and Langner, 1995), the relative density for the test substance ranges between 1.24 and 1.32.
The test substance is covered by the category approach of
methylenediphenyl diisocyanates (MDI). Hence, data of the category
substances can be used to cover this endpoint. No relative density data
exists for MDI mixed isomers. However, density data exists for 4,4'-MDI
and oMDI. The Fisk and Langner study (1995) reports density data for
both substances according to EU Method A.3. The relative density for
4,4'-MDI and oMDI is 1.32 (air comparison pycnometer (for solids)) and
1.24 (oscillating densitimeter), respectively.
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