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Hexamethylene Diisocyanate CAS#822-06-0
CAS Number: 822-06-0
Chemical Formula: C8H12N2O2
Synonyms:
Hexamethylene diisocyanate, 1,6-? hexane 1,6-diisocyanate
Evafanol AS-1
Hexamethylene-1,6-diisocyanate
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Transperant Liquid
Hexamethylene Diisocyanate CAS#822-06-0
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.
Hexamethylene Diisocyanate Chemical 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 |
Fp | 248 °F |
storage temp. | Store below +30°C. |
form | Liquid |
color | Clear colorless to slightly yellow |
Specific Gravity | 1.05 |
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. |
InChI | 1S/C8H12N2O2/c11-7-9-5-3-1-2-4-6-10-8-12/h1-6H2 |
InChIKey | RRAMGCGOFNQTLD-UHFFFAOYSA-N |
SMILES | O=C=NCCCCCCN=C=O |
LogP | 3.2 at 20℃ |
CAS DataBase Reference | 822-06-0(CAS DataBase Reference) |
NIST Chemistry Reference | 1,6-Hexamethylene diisocyanate(822-06-0) |
EPA Substance Registry System | Hexamethylene-1,6-diisocyanate (822-06-0) |
Safety Information |
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 |
RIDADR | UN 2281 6.1/PG 2 |
OEB | D |
OEL | TWA: 0.005 ppm (0.035 mg/m3), Ceiling: 0.020 ppm (0.140 mg/m3) [10-minute] |
WGK Germany | 1 |
RTECS | MO1740000 |
F | 10-19-21 |
Autoignition Temperature | 454 °C |
TSCA | TSCA listed |
HazardClass | 6.1 |
PackingGroup | II |
HS Code | 29291090 |
Storage Class | 6.1A - Combustible acute toxic Cat. 1 and 2 |
Hazard Classifications | Acute Tox. 1 Inhalation |
Hazardous Substances Data | 822-06-0(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: 746 mg/kg LD50 dermal Rabbit 570 mg/kg |
Product Application of Hexamethylene Diisocyanate CAS#822-06-0
Hexamethylene diisocyanate (HDI) is one of the most common aliphatic disocyanates, It is a monomer used in the production of polyurethane foams and exceptionally high-quality coatings, and is found in some industrial paints and spray painting operations. It is a compound which reacts readily with water and alcohols (Von Burg 1993). It has a vapor pressure of 0.05 mm Hg at room temperature, but can be present in aerosol form allowing a potentially higher exposure to individuals. The HDI-BT trimer is often present for similar industrial uses. It would be expected to have a lower vapor pressure; however, the aerosol form can also be present, allowing potentially higher exposure of HDI-BT to individuals. Hexamethylene diisocyanate reacts slowly with water to form carbon dioxide (HSDB 1996). The base-catalyzed reaction of Hexamethylene diisocyanate with alcohols should be carried out in inert solvents; the reaction may occur with explosive violence in the absence of solvents (NFPA 1994).
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