| Formula / Notation | C8H12N2O2 |
|---|---|
| CAS Number | 822-06-0 |
| Molecular Weight | 168.19 |
| Melting Point | -67 °F (NTP, 1992) |
| Boiling Point | 491 °F at 760 mmHg (NTP, 1992) |
| Density | 1.0528 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Solubility | Reacts with water (NTP, 1992) |
| Appearance | Hexamethylene diisocyanate appears as a colorless crystalline solid. Toxic by ingestion and is strongly irritating to skin and eyes. It is used to make nylon. |
| Also Known As | 1,6-diisocyanatohexane; 1,6-Diisocyanatohexane; 822-06-0; HMDI; 1,6-Hexamethylene diisocyanate; Hexane, 1,6-diisocyanato-; Hexane 1,6-diisocyanate; 1,6-Hexylene diisocyanate; Hexamethylene-1,6-diisocyanate; hexamethylenediisocyanate |
| Category | Organic Compounds |
What is Hexamethylene diisocyanate?
Hexamethylene diisocyanate is a diisocyanate compound with the two isocyanates linked by a hexane-1,6-diyl group. It has a role as an allergen and a hapten.
Formula & Notation
IUPAC Name: 1,6-diisocyanatohexane
Other Names / Synonyms: 1,6-diisocyanatohexane; 1,6-Diisocyanatohexane; 822-06-0; HMDI; 1,6-Hexamethylene diisocyanate; Hexane, 1,6-diisocyanato-; Hexane 1,6-diisocyanate; 1,6-Hexylene diisocyanate; Hexamethylene-1,6-diisocyanate; hexamethylenediisocyanate
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -67 °F (NTP, 1992) |
| Boiling Point | 491 °F at 760 mmHg (NTP, 1992) |
| Density | 1.0528 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Molecular Weight | 168.19 |
| Solubility | Reacts with water (NTP, 1992) |
| Appearance | Hexamethylene diisocyanate appears as a colorless crystalline solid. Toxic by ingestion and is strongly irritating to skin and eyes. It is used to make nylon. |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Hexamethylene diisocyanate is a diisocyanate compound with the two isocyanates linked by a hexane-1,6-diyl group. It has a role as an allergen and a hapten.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Hexamethylene diisocyanate is: C8H12N2O2