Toluenediisocyanate mixture of isomers ≥98% for synthesis, Sigma-Aldrich®
Supplier: Merck
Certificates
About this item
CAS Number:26471-62-5
:584-84-9
Formula:C₉H₆N₂O₂
MDL Number:MFCD01778251
Boiling Pt:247 °C (1013 hPa)
Melting Pt:12…14 °C
Density:1.22 g/cm³ (20 °C)
Storage Temperature:Ambient
ADR:6.1,II
:M-Clarity™ quality level = MQ200
:174.16
EINECS:247-722-4
UN:2078
:GHS06
:GHS08
Specification Test Results
- Assay isomers (GC, area%):≥ 98.0 % (a/a)
- Assay Toluylene-2,6-diisocyanate (NMR):10.0 - 30.0 % (a/a)
- Assay Toluylene-2,4-diisocyanate (NMR):70.0 - 90.0 % (a/a)
- Density (d 20 °C/ 4 °C):1.218 - 1.222
- Identity (IR):passes test