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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 106924Generated: November 4, 2026

Tris((3-isocyanato-1,5,5-trimethylcyclohexyl)methyl)isocyanurate

Einecs 267-445-2 · IPDIISOCYANURATE · N,N',N''-Tris(5-isocyanato-1,3,3-trimethylcyclohexylmethyl)-2,4,6-triketohexahydrotriazine · 1,3,5-Tris[(5-isocyanato-1,3,3-trimethylcyclohexyl)methyl]-1,3,5-triazine-2,4,6(1H,3H,5H)-trione · 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris[(5-isocyanato- 1,3,3-trimethylcyclohexyl)methyl]- · 2,4,6-Trioxohexahydro-1,3,5-triazine-1,3,5-triyltris[methylene(3,5,5-trimethylcyclohexane-3,1-diyl)]triisocyanate · 3,3',3''-((1H,3H,5H)-2,4,6-Trioxo-1,3,5-triazine-1,3,5-triyltris(methylene))tris(3,5,5-trimethylcyclohexyl) triisocyanate · 3,3',3''-[(1H,3H,5H)-2,4,6-trioxo-1,3,5-triazine-1,3,5-triyltris(methylene)]tris[3,5,5-trimethylcyclohexyl] triisocyanate

https://huagongshe.com/en/chemical/106924

Tris((3-isocyanato-1,5,5-trimethylcyclohexyl)methyl)isocyanurate molecular structure

Identifiers & Physical Properties

CAS No.67873-91-0
Molecular formulaC36H54N6O6
Average molar mass666.8 g/mol
Monoisotopic mass666.41048346 g/mol
SMILESCC1(C)CC(N=C=O)CC(C)(Cn2c(=O)n(CC3(C)CC(N=C=O)CC(C)(C)C3)c(=O)n(CC3(C)CC(N=C=O)CC(C)(C)C3)c2=O)C1
InChIKeyBPRIYMTXVBEDNJ-UHFFFAOYSA-N
PubChem CID106924
EC No.267-445-2
DTXSIDDTXSID70867369

Chemical & Physical Properties

XLogP9.9
Topological polar surface area149
Hydrogen bond donors0
Hydrogen bond acceptors9
Rotatable bonds9
Heavy atoms48
Formal charge0
Complexity1,260
Food Contact SubstancesFCS -> FDA Cumulative Estimated Daily Intake (CEDI)
Physical DescriptionTriisocyanatoisocyanurate of isophoronediisocyanate, solution (70%) appears as a clear to light colored liquid. Exposure to this material should be avoided. Used to make other chemicals.
Boiling point692.0±20.0 °C(Predicted)
Density1.20±0.1 g/cm3(Predicted)
pKa (acidity coefficient)-2.20±0.20(Predicted)
FDA UNII1KJF175YD7
EPA Substance Registry System1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris[(5-isocyanato-1,3,3-trimethylcyclohexyl)methyl]- (67873-91-0)
TSCA inventory statusTSCA listed

Safety & Regulations

DOT labelPoison Flammable Liquid
Fire hazardsExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
Health hazardsExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
Reactive groupIsocyanates and Isothiocyanates
Reactivity ProfileIsocyanates and thioisocyanates, such as TRIISOCYANATOISOCYANURATE OF ISOPHORONEDIISOCYANATE, are incompatible with many classes of compounds, reacting exothermically to release toxic gases. Reactions with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizers, hydrides, phenols, and peroxides can cause vigorous releases of heat. Acids and bases initiate polymerization reactions in these materials. Some isocyanates react with water to form amines and liberate carbon dioxide.
Air and Water ReactionsFlammable.
Fire fightingExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
First aidExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
Nonfire spill responseExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
Isolation and EvacuationExcerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
Personal Protective Equipment (PPE)Excerpt from ERG Guide 155 [Substances - Toxic and/or Corrosive (Flammable / Water-Sensitive)]:
TSCA inventory statusTSCA listed