Functional Roles
Industries Served
Physical Properties
physical_description
Isophorone diisocyanate appears as a clear to light-yellow liquid. Slightly denser than water and insoluble in water. Toxic by inhalation and skin absorption. Very irritating to skin. Used to make polyurethane coatings.
color/form
Colorless to slightly yellow liquid
odor
Pungent
boiling_point
316 u00b0F at 10 mmHg (NTP, 1992)
melting_point
Approximately -60 u00b0C
flash_point
greater than 200 u00b0F (NTP, 1992)
solubility
Completely miscible with esters, ketones, ethers, and aromatic and aliphatic hydrocarbons.
density
1.056 to 1.062 at 68 u00b0F (USCG, 1999)
vapor_pressure
0.0003 mmHg at 68 u00b0F ; 0.0007 mmHg at 122 u00b0F (NTP, 1992)
logp
4.75 (calculated)
autoignition_temperature
430 u00b0C
decomposition
When heated to decomposition it emits toxic fumes of /nitrogen oxides and hydrogen cyanide/.
GHS / SDS Safety
Danger
Acute Toxic
Environmental Hazard
Irritant
Health Hazard
Corrosive
- H334 (98.4%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H331 (63.6%): Toxic if inhaled [Danger Acute toxicity, inhalation]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H330 (38.8%): Fatal if inhaled [Danger Acute toxicity, inhalation]
- H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
- H319 (96.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H312: Harmful in contact with skin [Warning Acute toxicity, dermal]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H315 (96.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H317 (> 99.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H335 (98.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H411 (96.4%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Chemical Identity
| CAS Number | 4098-71-9 |
| IUPAC Name | 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane |
| InChI Key | NIMLQBUJDJZYEJ-UHFFFAOYSA-N |
| PubChem CID | 169132 |
| INCI Name | ISOPHORONE DIISOCYANATE |
Synonyms & Trade Names
Full Description
Isophorone diisocyanate (IPDI) is a cycloaliphatic diisocyanate compound (C12H18N2O2) that functions as a crosslinking and curing agent in polymer systems. This chemical is utilized across coatings & construction, industrial manufacturing, and plastics & polymers industries for applications requiring reactive isocyanate functionality. IPDI offers complete miscibility with esters, ketones, ethers, and both aromatic and aliphatic hydrocarbons.