A4705612
Hexamethylene diisocyanate , 99% , 822-06-0
Synonym(s):
Hexamethylene diisocyanate;1,6-Diisocyanatohexane;4,4′-Diisocyanato-methylenedicyclohexane;4,4′-HMDI;4,4′-Methylene-bis(cyclohexyl isocyanate)
CAS NO.：822-06-0
Empirical Formula: C8H12N2O2
Molecular Weight: 168.19
MDL number: MFCD00002047
EINECS: 212-485-8
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -55°C |
| Boiling point: | 82-85 °C/0.1 mmHg |
| Density | 1.047 g/mL at 20 °C (lit.)
1.047 g/mL at 20 °C |
| vapor pressure | 0.05 mm Hg ( 25 °C) |
| refractive index | n |
| Flash point: | 248 °F |
| storage temp. | Store below +30°C. |
| form | Liquid |
| Specific Gravity | 1.05 |
| color | Clear colorless to slightly yellow |
| explosive limit | 0.9-9.5%(V) |
| Water Solubility | Reacts |
| Sensitive | Moisture Sensitive |
| BRN | 956709 |
| Exposure limits | TLV-TWA 0.0343 mg/m3 (0.005 ppm)
(ACGIH). |
| Stability: | Stable. Moisture sensitive. Combustible. Incompatible with strong oxidizing agents, strong bases, amines, acids. May react explosively with alcohols in the presence of base without a diluting solvent. Heating above 200 C may cause polymerization. |
| InChIKey | RRAMGCGOFNQTLD-UHFFFAOYSA-N |
| LogP | 3.2 at 20℃ |
Description and Uses
This diisocyanate compound is used in the manufacture of various polyurethane products: elastic and rigid foams, paints, lacquers, adhesives, bin ding agents, synthetic rubbers, and elastomeric fibers.
Cross-linking agent (hardener) in the production of polyurethane materials such as car paints, dental materials, and contact lenses
Safety
| Symbol(GHS) |    GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H302-H314-H317-H330-H334-H335 |
| Precautionary statements | P260-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T,T+,F |
| Risk Statements | 23-36/37/38-42/43-41-34-26-22-39/23/24/25-23/24/25-11 |
| Safety Statements | 26-28-38-45-28A-36/37/39-23-36/37-16-7 |
| OEB | D |
| OEL | TWA: 0.005 ppm (0.035 mg/m3), Ceiling: 0.020 ppm (0.140 mg/m3) [10-minute] |
| RIDADR | UN 2281 6.1/PG 2 |
| WGK Germany | 1 |
| RTECS | MO1740000 |
| F | 10-19-21 |
| Autoignition Temperature | 454 °C |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29291090 |
| Toxicity | LD50 orally in Rabbit: 746 mg/kg LD50 dermal Rabbit 570 mg/kg |
