Skip to main content

Toluene diisocyanate (TDI)

ADVERTISEMENT
Identification
Molecular formula
C9H6N2O2
CAS number
584-84-9
IUPAC name
1,3-diisocyanato-2-methyl-benzene
State
State

At room temperature, TDI is a liquid. It is volatile and requires careful handling due to its propensity to release vapors that can be harmful upon inhalation.

Melting point (Celsius)
20.50
Melting point (Kelvin)
293.65
Boiling point (Celsius)
251.60
Boiling point (Kelvin)
524.75
General information
Molecular weight
174.16g/mol
Molar mass
174.1590g/mol
Density
1.2250g/cm3
Appearence

Toluene diisocyanate (TDI) is a colorless to pale yellow liquid. It may have a sharp, pungent odor.

Comment on solubility

Solubility of 1,3-Diisocyanato-2-methyl-benzene

1,3-Diisocyanato-2-methyl-benzene, commonly known as Toluene-2,4-diisocyanate (TDI), exhibits specific solubility characteristics that are vital for its applications in various industries. Here are some key points regarding its solubility:

  • Solvent Compatibility: TDI is known to be soluble in a wide range of organic solvents, making it highly versatile for industrial use.
  • Aqueous Solubility: This compound has low solubility in water, which is important to consider during handling and disposal.
  • Temperature Effects: Solubility may improve at elevated temperatures, allowing for easier mixing and application in certain processes.

In summary, when dealing with 1,3-diisocyanato-2-methyl-benzene:

  • It is essential to utilize appropriate organic solvents for effective dissolution.
  • Environmental and safety precautions should be prioritized due to its low solubility in water, which can affect its behavior in aquatic systems.
  • Overall, understanding the solubility profile ensures proper handling and maximizes its usefulness in manufacturing.

In conclusion, the solubility characteristics of TDI influence its application scope and require careful consideration in both laboratory and industrial settings.

Interesting facts

Interesting Facts about 1,3-Diisocyanato-2-methyl-benzene

1,3-Diisocyanato-2-methyl-benzene, commonly known as toluene diisocyanate (TDI), is a fascinating compound in the world of organic chemistry. It plays a crucial role in the production of polyurethane foams, which are widely used in various industries. Here are some key points to consider:

  • Versatile Applications: TDI is primarily employed in the manufacture of flexible and rigid foams, as well as elastomers, and coatings. This makes it integral to the furniture, automotive, and construction sectors.
  • Polymer Chemistry: As a diisocyanate, TDI reacts with polyols to create polyurethane polymers. This reaction demonstrates the core principles of polymer chemistry, emphasizing the importance of functional groups and reactivity.
  • Toxicity Awareness: While TDI has valuable industrial uses, it is essential to handle it with care. It is known to be a respiratory irritant and can cause allergic reactions. Safety measures must be in place to protect workers.
  • Environmental Impact: Regulatory bodies monitor the use of TDI due to its potential environmental effects. Innovations in green chemistry aim to create more sustainable alternatives or safer methods of production.
  • Research Frontiers: Ongoing research focuses on enhancing the performance and reducing the toxicity of TDI-based materials. Scientists are exploring bio-based feedstocks for polyurethanes, which may lead to more environmentally friendly products.

In summary, 1,3-Diisocyanato-2-methyl-benzene serves as a pivotal compound in both industrial applications and research initiatives. Its dual role as a building block for innovative materials and a subject of safety regulations emphasizes the significance of chemical responsibility in modern science.

Synonyms
2,6-Diisocyanatotoluene
91-08-7
Toluene-2,6-diisocyanate
1,3-Diisocyanato-2-methylbenzene
2,6-TOLUENE DIISOCYANATE
2-Methyl-m-phenylene diisocyanate
2,6-TDI
Toluene 2,6-diisocyanate
m-Tolylene diisocyanate
Benzene, 1,3-diisocyanato-2-methyl-
meta-Tolylene diisocyanate
2,6-Diisocyanato-1-methylbenzene
2-Methyl-meta-phenylene isocyanate
Tolylene 2,6-diisocyanate
Tolylene-2,6-diisocyanate
Isocyanic acid, 2-methyl-meta-phenylene ester
Benzene, 2,6-diisocyanato-1-methyl-
CCRIS 3741
CHEBI:53557
HSDB 5272
1,3-diisocyanato-2-methyl-benzene
EINECS 202-039-0
BRN 2211546
DTXSID2026157
Isocyanic acid, 2-methyl-m-phenylene ester
78243HXH5O
2,6-Tolylene diisocyanate
DTXCID106157
2-Methyl-m-phenylene isocyanate
4-13-00-00259 (Beilstein Handbook Reference)
2-Methyl-meta-phenylene diisocyanate
Toluene diisocy anates
2,6-toluenediisocyanate
2,6-toluene-diisocyanate
UNII-78243HXH5O
Hylene tic
2,4 + 2,6-Toluenediisocyanate
MFCD00002010
mTolylene diisocyanate
2,6diisocyanatotoluene
2,6toluene diisocyanate
metaTolylene diisocyanates
2,6-Toluenediiosocyanate
Tolylene 2,6diisocyanate
Hylene TRF (Salt/Mix)
Epitope ID:120367
2,6-toluylene diisocyanate
toluene, 2,6-diisocyanate
Cosmonate TDI (Salt/Mix)
SCHEMBL15092
1,3Diisocyanato2methylbenzene
2,6Diisocyanato1methylbenzene
2,6-Toluene diisocyanic acid
2-methyl-meta-phenylene ester
2Methylmetaphenylene isocyanate
2,6-TDI, analytical standard
2,6TDI
1,3-Diisocyanato-2-methylbenzene [Toluenediisocyanates]
CHEMBL1443390
Benzene, 1,3diisocyanato2methyl
Benzene, 2,6diisocyanato1methyl
Niax isocyanate TDI (Salt/Mix)
Tolylene-2,6-diisocyanate, 97%
2,4-and2,6-Toluene Diisocyanate
2,4-and 2,6-Toluene diisocyanate
TOLUENE DIISOCYANATE, MONOMER
Tox21_201661
1,3-Diisocyanato-2-methylbenzene #
GEO-02330
AKOS015842352
CAS-91-08-7
NCGC00091052-01
NCGC00091052-02
NCGC00091052-03
NCGC00259210-01
2,4 and 2,6-TOLUENE DIISOCYANATE
Isocyanic acid, 2methylmetaphenylene ester
NS00008174
T1153
TOLUENE DIISOCYANATE, COMMERCIAL GRADE
D92456
Q1688256
620-208-0