Isophorone diisocyanate CAS#4098-71-9
Excellent Solvent Compatibility – IPDI is miscible with most common organic solvents, providing excellent formulation flexibility and compatibility across a wide range of industrial applications.
Stable Liquid Form – Supplied as a clear to pale-yellow liquid, IPDI is easy to handle, transport, and incorporate into various manufacturing processes.
Low Water Solubility – Its insolubility in water makes it suitable for moisture-sensitive formulations and applications requiring enhanced hydrolytic stability.
Well-Defined Molecular Structure – IPDI exists in both cis and trans conformers, offering a well-characterized chemical structure that supports consistent performance in polyurethane and specialty chemical production.
Products Description of Isophorone Diisocyanate (IPDI) CAS#4098-71-9
Isophorone diisocyanate (IPDI) (CAS No. 4098-71-9) is a clear to pale-yellow liquid with a characteristic camphor-like odor. It is insoluble in water but readily miscible with most common organic solvents. IPDI exists in two conformational forms: cis and trans.
Isophorone diisocyanate Chemical Properties
| Melting point | -60°C |
| Boiling point | 158-159 °C15 mm Hg(lit.) |
| density | 1.049 g/mL at 25 °C(lit.) |
| vapor pressure | 0.0004 hPa (20 °C) |
| refractive index | n20/D 1.484(lit.) |
| Fp | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | Miscible with esters, ketones, ethers, and aromatic and aliphatic hydrocarbons. |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| explosive limit | 0.7-4.5%(V) |
| Water Solubility | <0.1 g/100 mL at 25 ºC |
| Sensitive | Moisture Sensitive |
| BRN | 2726467 |
| Exposure limits | TLV-TWA 0.0454 mg/m3 (0.005 ppm) (ACGIH and NIOSH); ceiling 0.181 mg/m3 (0.02 ppm)/10 min (NIOSH). . |
| Stability: | Reacts with all substances containing active hydrogen, such as acids, amines, water, phenols, mercaptans, amides, urea. Probably moisture sensitive. |
| Cosmetics Ingredients Functions | FILM FORMING |
| InChI | 1S/C12H18N2O2/c1-11(2)4-10(14-9-16)5-12(3,6-11)7-13-8-15/h10H,4-7H2,1-3H3 |
| InChIKey | NIMLQBUJDJZYEJ-UHFFFAOYSA-N |
| SMILES | N(=C=O)C1CC(CC(C1)(C)C)(CN=C=O)C |
| LogP | 4.75 at 25℃ |
| CAS DataBase Reference | 4098-71-9(CAS DataBase Reference) |
| EPA Substance Registry System | Isophorone diisocyanate (4098-71-9) |
Safety Information
| Hazard Codes | T,N |
| Risk Statements | 23-36/37/38-42/43-51/53-22 |
| Safety Statements | 26-28-38-45-61 |
| OEB | D |
| OEL | TWA: 0.005 ppm (0.045 mg/m3), STEL: 0.02 ppm (0.180 mg/m3) [skin] |
| RIDADR | UN 2290 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | NQ9370000 |
| Autoignition Temperature | 430 °C |
| TSCA | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29291090 |
| Storage Class | 6.1A - Combustible, acute toxic Cat. 1 and 2 |
| very toxic hazardous materials | |
| Hazard Classifications | Acute Tox. 1 Inhalation |
| Aquatic Chronic 2 | |
| Eye Irrit. 2 | |
| Resp. Sens. 1 | |
| Skin Irrit. 2 | |
| Skin Sens. 1 | |
| STOT SE 3 | |
| Hazardous Substances Data | 4098-71-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 4825 mg/kg LD50 dermal Rat > 7000 mg/kg |
Product Application of Isophorone Diisocyanate CAS#4098-71-9
Isophorone diisocyanate (IPDI) is widely used in the production of high-performance polyurethanes with excellent stability, superior light discoloration resistance, and outstanding chemical resistance. It is commonly applied in paints and varnishes to enhance hardness, flexibility, abrasion resistance, chemical resistance, and resistance to chalking and weathering.
IPDI is also used in the manufacture of elastomers for casting compounds, mastics, and highly flexible textile coatings, as well as hard industrial coatings. In addition, it is utilized in the production of contact lenses and as a curing agent in various polyurethane systems.
