Toluene Diisocyanate

C₉H₆N₂O₂

IUPAC: 2,4-Diisocyanato-1-methylbenzene

CAS: 584-84-9

Overview

TDI is one of the most important isocyanates used to make flexible polyurethane foam for mattresses, car seats, and upholstery.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 6 1.0080
Carbon C 9 12.0110
Nitrogen N 2 14.0070
Oxygen O 2 15.9990

Elemental Composition

H
Hydrogen ×6
3.5%
C
Carbon ×9
62.1%
N
Nitrogen ×2
16.1%
O
Oxygen ×2
18.4%

Uses

  • • Polyurethane foam production
  • • Coatings
  • • Elastomers

Fun Facts

  • ✦ Used to make the foam in most mattresses, pillows, and car seats worldwide

Safety

  • ⚠ Highly toxic
  • ⚠ Respiratory sensitizer
  • ⚠ Possible carcinogen

Structure

SMILES

CC1=C(C=C(C=C1)N=C=O)N=C=O

Properties

Type
organic
State
liquid
Molar Mass
174.16 g/mol
Density
1.2140 g/cm³
Melting Point
20.5 °C
Boiling Point
251.0 °C
Solubility
reacts

Molecular Descriptors

Exact Mass
174.0429
XLogP
3.9
TPSA
58.9 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
13
Complexity
265.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is Toluene Diisocyanate?
Toluene Diisocyanate (C₉H₆N₂O₂) is a organic compound with the IUPAC name 2,4-Diisocyanato-1-methylbenzene.
What is the molecular weight of Toluene Diisocyanate?
Toluene Diisocyanate has a molar mass of 174.16 g/mol.
What state is Toluene Diisocyanate at room temperature?
Toluene Diisocyanate is a liquid at room temperature.
Is Toluene Diisocyanate organic or inorganic?
Toluene Diisocyanate is classified as an organic compound.
What elements make up Toluene Diisocyanate?
Toluene Diisocyanate (C₉H₆N₂O₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).