Project Description

TODI  Introduction

Introduction to T.O.D.I.  (CAS No. 91-97-4)

1. common name:

4.4′-Diisocyanato-3.3′-dimethyl-1.1′-biphenyl

or 3.3′-Dimethylbiohenyl-4.4′-diyl diisocyanate

or 0-Tolidine diisocyanate

2.molecular formula and Chemical Structure

C16H12N2O2

3.Molecular weight :264.286

4.Purity : ≥ 99.5%

5.Physical and Chemical Properties

(1) Appearance : White solid at room temperature

(2) Odor: Odorless

(3) Melting Point: 71.7 ℃ (70-72)

(4) Boiling Point : 195-197 ℃ (5mmHg, or 667 Pa)

(5) Specific Gravity: 1.197  (80 ℃)

(6) Solubility: Insoluble in water and slowly hydrolyzed by water, Soluble in Acetone, Carbon Tetrachloride, Kerosene, Benzene, Chlorobenzene, Nitrobenzene

(7) Flash Point 218 ℃ (Cleveland open cup)

(8) NCO content:31.78% — 2 x 42(-NCO)/264.286 x100

(9) Package:  20 Kg metal pail.

(10) Storage :Keep away from ignition sources and heat. Store in a tightly closed container .  Keep cool and dry place.

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