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WANNATE MDI-100

WANNATE MDI-100 is a pure 4,4'-MDI used in high-performance polyurethane systems.
WANNATE MDI-100 provides very high reactivity and strong mechanical properties.
WANNATE MDI-100 is widely used in elastomers, coatings, and industrial applications.

CAS number: 101-68-8
EC number: 202-966-0

Synonyms: 4,4'-MDI, Diphenylmethane diisocyanate, MDI, Methylene diphenyl diisocyanate, Aromatic diisocyanate, Isocyanate monomer, Polyurethane isocyanate, MDI raw material, Industrial MDI, Isocyanate compound

WANNATE MDI-100 is a pure diphenylmethane diisocyanate (4,4'-MDI) designed for polyurethane systems requiring high reactivity, fast curing, and excellent mechanical performance.
WANNATE MDI-100 is typically supplied as a solid or low-melting crystalline material and is widely used in high-performance elastomers, coatings, adhesives, and specialty polyurethane applications.

WANNATE MDI-100 is a white or pale yellow solid at room temperature.
When melted, WANNATE MDI-100 becomes a colorless to pale yellow liquid.
WANNATE MDI-100 can be used in the production of various polyurethane elastomers, including cellular elastomers, thermoplastic elastomers, and cast elastomers.

WANNATE MDI-100 is a white to light yellow- green crystal at room temperatures. When melted, it becomes a clear liquid, no mechanical impurities.
WANNATE MDI-100 can be widely used in the production of various polyurethane elastomers including cellular elastomers, thermoplastic elastomers, cast elastomers, synthetic leather, adhesives, coatings and sealants.

WANNATE MDI-100 is a 4,4'-methylenediphenyl diisocyanate.
WANNATE MDI-100 is a white or pale yellow solid at room temperature.

When melted, WANNATE MDI-100 becomes a colorless to pale yellow liquid.
WANNATE MDI-100 can be used in the production of coatings.

WANNATE MDI-100 can be used in the production of polyurethane.
WANNATE MDI-100 is widely used in the production adhesives and sealants.

WANNATE MDI-100 is widely used in the production of microcellular elastomers, thermoplastic elastomers, cast elastomers, synthetic leathers, and CASE (Coatings, Adhesives, Sealants and Elastomer) applications.
WANNATE MDI-100 is greater than 99.6% pure and is supplied as a white or pale yellow sold at room temperatures.

WANNATE MDI-100 is widely used in the production of rigid polyurethane foams, which are essential for insulation in refrigerators, freezers, and building materials.
WANNATE MDI-100 also plays a key role in manufacturing polyurethane elastomers, adhesives, sealants, and coatings, offering excellent mechanical properties and chemical resistance.

Additionally, WANNATE MDI-100 is used in automotive interiors and synthetic leather production, where flexibility and durability are critical.
WANNATE MDI-100's low viscosity and high reactivity make it ideal for both spray and pour applications.
WANNATE MDI-100 ensures superior performance across diverse industries including construction, automotive, footwear, and appliance manufacturing.

Uses of WANNATE MDI-100:
WANNATE MDI-100 is widely used in polyurethane systems where high reactivity and superior mechanical properties are required.
WANNATE MDI-100 is particularly suitable for elastomers, coatings, and adhesive formulations, providing strong crosslinking and durability, making it ideal for demanding industrial applications.

Stability and Reactivity of WANNATE MDI-100:

Chemical stability:
Stable under dry, controlled conditions.

Reactivity:
Reacts with water.
Alcohols.
Amines.
And polyols.

Conditions to avoid:
Moisture.
Excessive heat.
And contamination.

Incompatible materials:
Water.
Strong bases.
Alcohols (uncontrolled reaction).

Hazardous decomposition products:
Carbon dioxide.
Nitrogen oxides.
And toxic fumes under fire conditions.

Handling and Storage of WANNATE MDI-100:

Handling:
Avoid inhalation.
And contact with skin and eyes.
Ensure proper ventilation.

Storage:
Store in tightly closed containers.
In a dry, cool, well-ventilated area.

Protection:
Protect from moisture.
And maintain above melting point if liquid handling is required.

First Aid Measures of WANNATE MDI-100:

Inhalation:
Move to fresh air immediately.
And seek medical attention.

Skin contact:
Remove contaminated clothing.
And wash thoroughly with soap and water.

Eye contact:
Rinse cautiously with water for at least 15 minutes.
And seek medical attention.

Ingestion:
Do not induce vomiting.
Seek immediate medical assistance.

Firefighting Measures of WANNATE MDI-100:

Extinguishing media:
Foam.
Dry chemical.
Carbon dioxide.
Water spray.

Hazards:
Releases toxic fumes when heated.
Or burned.

Protective equipment:
Use self-contained breathing apparatus.
And full protective gear.

Accidental Release Measures of WANNATE MDI-100:

Personal precautions:
Evacuate area.
And use protective equipment.

Environmental precautions:
Prevent entry into drains.
And waterways.

Cleanup methods:
Absorb with inert material.
And neutralize with appropriate decontamination solution.

Exposure Controls/Personal Protection of WANNATE MDI-100:

Respiratory protection:
Use approved respirator when exposure limits may be exceeded.

Eye protection:
Chemical safety goggles.
Or face shield.

Hand protection:
Chemical-resistant gloves (e.g., nitrile).

Skin protection:
Protective clothing recommended.

Hygiene measures:
Avoid exposure.
And wash thoroughly after handling.

Identifiers of WANNATE MDI-100:
Chemical name: 4,4'-Diphenylmethane diisocyanate
Common name: MDI
CAS number: 101-68-8
EC number: 202-966-0

Properties of WANNATE MDI-100:
Appearance: White to pale yellow solid (or molten liquid)
Odor: Slightly pungent
Melting point: ~38 – 42°C
Density (liquid): ~1.23 g/cm³
NCO content: ~33.5%

Appearance: Crystalline solid at room temperature, white to pale yellow
Auto-ignition temperature: 240°C
Boiling point at 1 mmHg: 171°C
Boiling point at 5 mmHg: 200°C
Decomposition temperature: 230°C
Flammability: Product can burn if strongly heated or involved in a fire
Flash point: 213°C
Melting point/freezing point: 37 – 41°C
Odor: Musty, slightly pungent odor of isocyanates
Odor threshold for MDI (AIHA): 0.39 ppm
Relative density at 25 °C (water = 1): 1.23
Solubility: Insoluble in water; reacts with water
Vapor density (air = 1) for MDI: ~ > 8.5
Vapor pressure 40 °C for MDI: <10^-4 mmHg