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WANNATE HMDI HEXAMETHYLENE DIISOCYANATE

Wannate HMDI Hexamethylene Diisocyanate is primarily used as a raw material for the manufacture of HDI trimers, biurets, allophanates, uretdiones, and specialty polyisocyanates.
Wannate HMDI Hexamethylene Diisocyanate is extensively used in automotive OEM coatings and automotive refinish coatings where long-term appearance retention is critical.
Wannate HMDI Hexamethylene Diisocyanate is utilized in aerospace coatings for aircraft exteriors, structural components, and specialized equipment.

CAS Number: 822-06-0
EC Number: 212-485-8
Molecular Formula: C8H12N2O2
Molecular Weight: 168.19 g/mol

SYNONYMS:
Hexamethylene Diisocyanate, HDI, HMDI, 1,6-Diisocyanatohexane, Hexane-1,6-Diisocyanate, 1,6-Hexamethylene Diisocyanate, Hexamethylene-1,6-Diisocyanate, Diisocyanatohexane, Hexamethylene-α,ω-Diisocyanate, Aliphatic Diisocyanate, Hexane Diisocyanate,1,6-Diisocyanatohexane,HDI,1,6-hexane diisocyanate,1,6-Diisocyanatohexane | hexamethylene diisocyanate

Wannate HMDI Hexamethylene Diisocyanate is the organic compound with the formula (CH2)6(NCO)2.
Wannate HMDI Hexamethylene Diisocyanate is classified as an diisocyanate.
Wannate HMDI Hexamethylene Diisocyanate is a colorless liquid.

Wannate HMDI Hexamethylene Diisocyanate has sometimes been called HMDI but this not usually done to avoid confusion with Hydrogenated MDI.
Wannate HMDI Hexamethylene Diisocyanate is a dicyclohexyl aliphatic diisocyanate, colorless or yellowish, low viscosity liquid at room temperature, with a special odor.
Wannate HMDI Hexamethylene Diisocyanate is a liquid cycloaliphatic diisocyanate.

Wannate HMDI Hexamethylene Diisocyanate is a colorless or pale yellow liquid with low viscosity and characteristic odor.
Wannate HMDI Hexamethylene Diisocyanate is an aliphatic diisocyanate used as a key raw material in the production of high-performance polyurethane coatings, adhesives, sealants, elastomers, fibers, and specialty polymers.

Wannate HMDI Hexamethylene Diisocyanate is valued for its excellent weatherability, ultraviolet (UV) resistance, color stability, gloss retention, and long-term durability.
Unlike aromatic isocyanates such as MDI and TDI, Wannate HMDI Hexamethylene Diisocyanate-based polyurethane systems exhibit superior resistance to yellowing and environmental degradation, making them ideal for demanding outdoor applications.

Wannate HMDI Hexamethylene Diisocyanate serves as an important intermediate for the production of HDI trimers, biurets, allophanates, uretdiones, and polyurethane prepolymers used in premium coating technologies and advanced polymer systems.
Wannate HMDI Hexamethylene Diisocyanate is a liquid cycloaliphatic diisocyanate.

Wannate HMDI Hexamethylene Diisocyanate is a colorless or pale yellow liquid with low viscosity and characteristic odor.
Wannate HMDI Hexamethylene Diisocyanate is a raw material for polyurethanes.
Polyurethane resins based on Wannate HMDI Hexamethylene Diisocyanate have a high degree of flexibility coupled with good mechanical strength.

They are resistant to abrasion and hydrolysis and retain gloss and physical properties upon weathering.
A unique feature of Wannate HMDI Hexamethylene Diisocyanate is its ability to form optically clear polyurethanes when combined with suitable polyol coreactants.
Products based on Wannate HMDI Hexamethylene Diisocyanate may be useful in coatings for flooring, roofing, maintenance, and textile applications as in cast elastomers, potting and encapsulation compounds, optical products, medical products, adhesives and sealants.

Wannate HMDI Hexamethylene Diisocyanate is a monomer mainly used for manufacturing HDI derivatives.
Wannate HMDI Hexamethylene Diisocyanate (4,4’-dicyclohexyl methane diisocyanate) is a liquid cycloaliphatic diisocyanate.
Wannate HMDI Hexamethylene Diisocyanate is a colorless or pale yellow liquid with low viscosity and characteristic odor.

Equivalent Weight oof Wannate HMDI Hexamethylene Diisocyanate is ~ 214
Viscosity at 25 ℃ of Wannate HMDI Hexamethylene Diisocyanate is ~ 30 mPa•S
Freezing Point of Wannate HMDI Hexamethylene Diisocyanate is 25 ℃

Wannate HMDI Hexamethylene Diisocyanate is the raw material for polyurethanes.
Polyurethane resins based on Wannate HMDI Hexamethylene Diisocyanate have good mechanical strength.
They resist abrasion and hydrolysis and retain gloss and physical properties upon weathering.

A unique feature of Wannate HMDI Hexamethylene Diisocyanate is its ability to form optically clear polyurethanes when combined with suitable polyol reactants.
Wannate HMDI Hexamethylene Diisocyanate is a liquid aliphatic diisocyanate.
Wannate HMDI Hexamethylene Diisocyanate is a colorless or pale yellow liquid with low viscosity.
Wannate HMDI Hexamethylene Diisocyanate is a raw material for polyurethanes.

Products based on Wannate HMDI Hexamethylene Diisocyanate are mainly used in PU varnish, top-grade coatings, car refinishing paint, plastic coating, top-grade wood-paint, industrial coating, anti-corrosive coating, elastomers, adhesives and textile finshing agent.
Polyurethane coatings based on Wannate HMDI Hexamethylene Diisocyanate have a high degree of oil resistance coupled with good wear-resisting; It is also lightfast and has the property of powdering resistance,color retention and weathering resistance.

USES and APPLICATIONS of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Aliphatic diisocyanates are used in specialty applications, such as enamel coatings which are resistant to abrasion and degradation by ultraviolet light.
These properties are particularly desirable in, for instance, the exterior paint applied to aircraft and vessels.
Wannate HMDI Hexamethylene Diisocyanate is also sold oligomerized as the trimer or biuret which are used in automotive refinish coatings.

Although more viscous in these forms, Wannate HMDI Hexamethylene Diisocyanate reduces the volatility and toxicity.
Wannate HMDI Hexamethylene Diisocyanate is also used as an activator in process of in situ polymerization of caprolactam i.e. cast nylon process.
Wannate HMDI Hexamethylene Diisocyanate is also used bisoxazolidine synthesis as the hydroxyl group on the molecule allows for further reaction with hexamethylene diisocyanate.

Wannate HMDI Hexamethylene Diisocyanate is widely used in industrial maintenance coatings designed for steel structures, bridges, pipelines, storage tanks, and heavy machinery.
Wannate HMDI Hexamethylene Diisocyanate is employed in marine coatings exposed to sunlight, moisture, saltwater, and harsh environmental conditions.
Wannate HMDI Hexamethylene Diisocyanate-based polyurethane systems are used in architectural coatings for buildings, infrastructure projects, and exterior decorative surfaces.

Wannate HMDI Hexamethylene Diisocyanate is suitable for wood coatings used on furniture, flooring, cabinetry, and decorative wood products.
Wannate HMDI Hexamethylene Diisocyanate is utilized in clear coats where transparency, gloss, and UV stability are essential.
Wannate HMDI Hexamethylene Diisocyanate is used in coatings for plastics, composites, and engineered polymer components.

Wannate HMDI Hexamethylene Diisocyanate serves as a reactive component in high-performance polyurethane adhesives.
Wannate HMDI Hexamethylene Diisocyanate is employed in weather-resistant polyurethane sealants for construction and transportation applications.
Wannate HMDI Hexamethylene Diisocyanate is used in polyurethane elastomers requiring excellent weatherability and long-term durability.

Wannate HMDI Hexamethylene Diisocyanate is suitable for textile coatings, leather finishing systems, ink binders, and specialty polymer synthesis.
Wannate HMDI Hexamethylene Diisocyanate is utilized in industrial flooring coatings where abrasion resistance, chemical resistance, and mechanical durability are required.

Wannate HMDI Hexamethylene Diisocyanate-based polyurethane systems are widely used in automotive, aerospace, construction, transportation, marine, electronics, furniture, and industrial manufacturing sectors.
Wannate HMDI Hexamethylene Diisocyanate is also used as a raw material for manufacturing PU Dispersions and Cathodic Electro Deposition (CED) primers used in automobile industry.

Products based on Wannate HMDI Hexamethylene Diisocyanate may be helpful in coatings for flooring, roofing, maintenance, and textile applications, as in cast elastomers, potting and encapsulation compounds, optical products, medical products, adhesives, and sealants.
In addition, Wannate HMDI Hexamethylene Diisocyanate also can be used in coating curing agent, high polymer adhesive, low temperature adhesive for printing paste, collar copolymer coating, and immobilized enzyme adhesive.

PROPERTIES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Wannate HMDI Hexamethylene Diisocyanate possesses a linear aliphatic structure that contributes to excellent flexibility and durability in polyurethane polymers.
Wannate HMDI Hexamethylene Diisocyanate exhibits high isocyanate functionality and strong reactivity toward hydroxyl-containing compounds.
Wannate HMDI Hexamethylene Diisocyanate produces polyurethane systems with exceptional resistance to sunlight and environmental aging.

Wannate HMDI Hexamethylene Diisocyanate contributes to excellent transparency and optical clarity in clear coating formulations.
Wannate HMDI Hexamethylene Diisocyanate-based polyurethane materials demonstrate outstanding resistance to discoloration and yellowing.

Wannate HMDI Hexamethylene Diisocyanate provides excellent balance between hardness and flexibility.
Wannate HMDI Hexamethylene Diisocyanate forms highly durable crosslinked polymer networks with long service life.
Wannate HMDI Hexamethylene Diisocyanate is frequently selected when long-term outdoor exposure and aesthetic appearance are important performance requirements.

FEATURES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
*Great rebound capability
*Breathable and eco-friendly
*Adjustable rebound time and touch feeling
*Excellent adhesion

SYNTHESIS of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Compared to other commercial diisocyanates, Wannate HMDI Hexamethylene Diisocyanate is produced in relatively small quantities, accounting for (with isophorone diisocyanate) only 3.4% of the global diisocyanate market in the year 2000.
Wannate HMDI Hexamethylene Diisocyanate is produced by phosgenation of hexamethylene diamine.

CHARACTERISTICS of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Wannate HMDI Hexamethylene Diisocyanate is characterized by its aliphatic chemical structure, which provides superior weatherability compared with aromatic diisocyanates.
Wannate HMDI Hexamethylene Diisocyanate is a low-viscosity liquid that can be processed efficiently in various polyurethane manufacturing operations.
Wannate HMDI Hexamethylene Diisocyanate exhibits excellent compatibility with acrylic polyols, polyester polyols, polyether polyols, and other hydroxyl-functional resins.

Wannate HMDI Hexamethylene Diisocyanate is widely recognized as one of the most important building blocks for premium polyurethane coatings and specialty polyurethane systems.
Wannate HMDI Hexamethylene Diisocyanate contributes to high-performance polyurethane materials capable of maintaining appearance and mechanical properties during prolonged outdoor exposure.
The resulting polyurethane systems often exhibit excellent resistance to moisture, temperature fluctuations, and atmospheric pollutants.

BENEFITS of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Wannate HMDI Hexamethylene Diisocyanate provides exceptional ultraviolet resistance and significantly reduces yellowing in polyurethane coatings.
Wannate HMDI Hexamethylene Diisocyanate contributes to outstanding gloss retention during long-term outdoor exposure.
Wannate HMDI Hexamethylene Diisocyanate enables the manufacture of coatings with excellent color retention and weathering resistance.

Wannate HMDI Hexamethylene Diisocyanate-based polyurethane systems provide superior durability in harsh environmental conditions.
Wannate HMDI Hexamethylene Diisocyanate contributes to excellent chemical resistance against fuels, lubricants, oils, cleaning agents, and industrial chemicals.

The resulting coatings demonstrate excellent scratch resistance and abrasion resistance.
Wannate HMDI Hexamethylene Diisocyanate supports the development of high-gloss, transparent, and aesthetically attractive coatings.
Wannate HMDI Hexamethylene Diisocyanate contributes to strong adhesion on metal, plastic, wood, concrete, composite, and glass substrates.

Wannate HMDI Hexamethylene Diisocyanate-based systems maintain performance across a wide temperature range.
Wannate HMDI Hexamethylene Diisocyanate enables long service life and reduced maintenance requirements in exterior applications.
Wannate HMDI Hexamethylene Diisocyanate contributes to excellent corrosion protection when incorporated into protective coating formulations.

PHYSICAL and CHEMICAL PROPERTIES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
Chemical Name: Hexamethylene Diisocyanate
Common Abbreviation: HDI, HMDI
IUPAC Name: 1,6-Diisocyanatohexane
CAS Number: 822-06-0
EC Number: 212-485-8
Molecular Formula: C8H12N2O2
Molecular Weight: 168.19 g/mol
Appearance: Colorless to pale yellow liquid
Physical State: Liquid

Odor: Sharp, pungent, characteristic isocyanate odor
Chemical Family: Aliphatic diisocyanate
Molecular Formula: C8H12N2O2
Molecular Weight: 168.19 g/mol
Density (20–25°C): Approximately 1.04–1.06 g/cm³
Melting Point: Approximately -67°C
Freezing Point: Approximately -67°C

Boiling Point: Approximately 255°C
Flash Point: Approximately 130°C
Auto-Ignition Temperature: Approximately 430°C
Vapor Pressure (25°C): Approximately 0.05–0.1 hPa
Vapor Density: Heavier than air
Refractive Index (20°C): Approximately 1.453
Viscosity (25°C): Low viscosity liquid

NCO Content: Approximately 49.9–50.0%
Surface Tension: Low
Solubility in Water: Reacts with water
Water Stability: Hydrolyzes slowly in contact with moisture
Solubility in Organic Solvents: Soluble in many organic solvents
Reactivity: Highly reactive toward alcohols, amines, polyols, and water
Volatility: Moderate
Moisture Sensitivity: High

Thermal Stability: Good under recommended storage conditions
UV Stability: Excellent in polyurethane systems
Weather Resistance: Excellent
Color Stability: Excellent
Gloss Retention: Excellent
Chemical formula: C8H12N2O2
Molar mass: 168.2 g/mol
Appearance: Colourless liquid

Odor: sharp, pungent[1]
Density: 1.047 g/cm³, liquid
Melting point: −67 °C (−89 °F; 206 K)
Boiling point: 255 °C (491 °F; 528 K)
Vapor pressure: 0.05 mmHg (25 °C)[1]
Viscosity: 3 cP at 25 °C
CAS No.: 822-06-0
Boiling Point (℃): 255.0±0.0 °C at 760 mmHg

Molecular Weight: 168.193
Melting Point (℃): '-55°C
Appearance: Colorless transparent liquid
Vapor Specific Gravity: —
HS Code: 29291040
Flash Point (℃): 140.0±0.0 °C
Solubility: Insoluble in cold water, soluble in benzene, toluene, chlorobenzene and other organic solvents.
Autoignition Temperature (℃): —

FIRST AID MEASURES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of WANNATE HMDI HEXAMETHYLENE DIISOCYANATE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available