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CAS 28679-16-5

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Trimethylhexamethylene diisocyanate

Description:
Trimethylhexamethylene diisocyanate (TMHDI) is an aliphatic diisocyanate characterized by its two isocyanate functional groups (-N=C=O) attached to a hexamethylene backbone with three methyl groups. This structure contributes to its unique properties, including a relatively low viscosity and high reactivity, making it suitable for various applications in the production of polyurethane materials. TMHDI is typically used in coatings, adhesives, and elastomers due to its ability to form strong cross-linked networks. It is known for its excellent weather resistance and durability, which are critical for outdoor applications. However, like other isocyanates, TMHDI poses health risks, including respiratory irritation and sensitization, necessitating proper handling and safety measures during use. Additionally, it is important to note that TMHDI should be stored in a cool, dry place, away from moisture, as it can react with water to produce carbon dioxide and form urea derivatives. Overall, TMHDI is a versatile compound with significant industrial relevance, particularly in the field of polymer chemistry.
Formula:C11H18N2O2
InChI:InChI=1/2C11H18N2O2/c1-10(7-13-9-15)6-11(2,3)4-5-12-8-14;1-10(4-5-12-8-14)6-11(2,3)7-13-9-15/h2*10H,4-7H2,1-3H3
SMILES:CC(CC(C)(C)CCN=C=O)CN=C=O.CC(CCN=C=O)CC(C)(C)CN=C=O
Synonyms:
  • 1,6-Diisocyanato-2,2,4-Trimethylhexane-1,6-Diisocyanato-2,4,4-Trimethylhexane (1:1)
  • 1,6-Diisocyanato-5,6-Dimethylheptane
  • 1,6-Diisocyanatotrimethylhexane
  • Hexane, 1,6-diisocyanatotrimethyl-
  • Trimethyl HDI
  • Trimethyl-1,6-hexamethylene diisocyanate
  • Trimethylhexamethylene diisocyanate
  • Trimethylhexamethylene diisocyanate (2,2,4- and 2,4,4- mixtures)
  • Trimethylhexamethylene isocyanate
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