CAS584-84-9
FormulaCH3C6H3(NCO)2
SynonymTDI, Diisocyanotoluene, 2,4-Diisocyanotoluene, 2,4-TDI, 2,4-Toluene Diisocyanate, tolylene-2,4-diisocyanate, Benzene, 2,4-diisocyanato-1-methyl-
Density1.22 (2515.5 c)
Vapor Density6.0
C2H5NaOAs HCL : Type 1(A) : 0.002 to 0.004 Type 2(B) :
Assay %99.7 Min
Color (Pt-Co scale)15 Max
Dropping Point484ยฐF ( 251ยฐC)
Solubility test (10 grams in 80 gram Ipopropyl Alcohol)Reacts with water. Soluble in most organic solvents
Specific Gravity (20ยฐC)1.22 approx (@ 25ยฐC)
OdorSharp odor
Auto Ignition Temp> 600ยฐC
Flash Point COC ยฐC270 ยฐF (132ยฐC)
Viscocity@ 25ยฐC ( 77ยฐF) cps : 3.10@ 50ยฐC(122ยฐF) cps : 1.7
Vapor Pressure (mm Hg)(@ 25ยฐC) : 0.02
AppearanceClear, colorless liquid
NCO ContentApprox. 48%
Vapor Pressure0.01 mm (20 c)
Refractive Index1.5680
Melting Point19.4-21.5 c
Molecular weight174.15
Flash Point(oc) 132 c
Boiling Point251 c