WANNATE MDI-50

WANNATE MDI-50 is a modified MDI blend used in polyurethane production.
WANNATE MDI-50 provides balanced reactivity and improved processing flexibility.
WANNATE MDI-50 is widely used in foams, coatings, adhesives, and elastomer systems.

CAS Number: 101-68-8
EC Number: 202-966-0
Molecular Formula: C8h7no2
Molecular Mass: 149.15 g/mol

Synonyms: MDI isomer mixture, Diphenylmethane diisocyanate blend, MDI-50, Aromatic diisocyanate, Polyurethane isocyanate, MDI mixture, Isocyanate resin, MDI system component, Flexible MDI, Industrial MDI blend

WANNATE MDI-50 is a mixture of 4,4'- diphenyl methane diisocyanate and 2,4'- diphenyl methane diisocyanate.
WANNATE MDI-50 is light yellow liquid.

WANNATE MDI-50 can be widely used in the production of various PU paints.
WANNATE MDI-50 has a shelf life of 3 months.

WANNATE MDI-50 is a modified diphenylmethane diisocyanate (MDI) blend typically containing a mixture of 4,4'-MDI and 2,4'-MDI isomers, designed to provide controlled reactivity and improved processing characteristics in polyurethane systems.
WANNATE MDI-50 is supplied as a liquid and is widely used in applications requiring balanced reactivity, flexibility, and mechanical performance.

WANNATE MDI-50 is a 50/50 blend of 4,4'-MDI (methylene diphenyl diisocyanate) and 2,4-MDI.
WANNATE MDI-50 is primarily used in the production of polyurethane elastomers and for polyurethane coatings, adhesives, and foams.

WANNATE MDI-50 provides better flowability for the production of injection molding.
WANNATE MDI-50 can be widely used in the production of various PU elastomers, adhesives, paint and automotive parts.

WANNATE MDI-50 also can be used as a substitute for TDI in the production of flexible PU foam, which will reduce productive cost and environmental pollution and improve handling conditions.
WANNATE MDI-50 is recognized for its excellent lot-to-lot consistency.

WANNATE MDI-50 is a mixture of 2,4’- and 4,4’-diphenylmethane diisocyanate.
WANNATE MDI-50 is a clear, colorless to pale yellow liquid at ambient temperatures.

WANNATE MDI-50 provides good flowability.
WANNATE MDI-50 can be used in the production of adhesives.
WANNATE MDI-50 has a shelf life of 3 months.

WANNATE MDI-50 is a mixture of 2,4' and 4,4' diphenylmethane diisocyanates, also referred to as 2,4'-rich isocyanate.
WANNATE MDI-50 is a clear, colorless to pink liquid at ambient temperatures.

Due to the different reactivity between 2,4' and 4,4' MDI, WANNATE MDI-50 provides better fluidity for injection molding production.
WANNATE MDI-50 can be widely used in the production of various PU elastomers, adhesives, paints, and automotive parts.
WANNATE MDI-50 can also be used as a substitute for TDI in flexible PU foam production, reducing production costs and environmental pollution, and improving transportation conditions.

WANNATE MDI-50 is a monomer MDI.
WANNATE MDI-50 is a mixture of 2,4’- and 4,4’-diphenylmethane diisocyanate.

WANNATE MDI-50 is a clear, colorless to pale yellow liquid at ambient temperatures.
WANNATE MDI-50 provides good flowability.

WANNATE MDI-50 is suitable for injection molding.
WANNATE MDI-50 is widely used in the production of various PU elastomers.

WANNATE MDI-50 can also be used as a substitute for TDI in the production of flexible PU foam, which reduces productive cost and environmental pollution as well as improves handling conditions.
WANNATE MDI-50 is recommended for automotive parts.

Applications of WANNATE MDI-50:
WANNATE MDI-50 is widely used in polyurethane systems where moderate reactivity and processing flexibility are required.
WANNATE MDI-50 is suitable for flexible foams, elastomers, and adhesive systems, providing a balance between mechanical strength and elasticity, making it ideal for applications such as automotive components, cushioning materials, and industrial products.

WANNATE MDI-50 is a mixture of 2,4’ and 4,4’ diphenylmethane diisocyanates, or called 2,4’ rich isocyanate.
WANNATE MDI-50 is a clear, colorless to pale yellow liquid at ambient temperatures.

Due to the different reactivity between 2,4’ and 4,4’ MDI, WANNATE MDI-50 product provides better flowability for the production of injection molding.
WANNATE MDI-50 series product can be widely used in the production of various PU elastomers, adhesives, paint and automotive parts.
WANNATE MDI-50 also can be used as a substitute for TDI in the production of flexible PU foam, which will reduce productive cost and environmental pollution and improve handling conditions.

Stability and Reactivity of WANNATE MDI-50:

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 other toxic fumes under fire conditions.

Handling and Storage of WANNATE MDI-50:

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

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

Protection:
Protect from moisture.
And direct sunlight.

First Aid Measures of WANNATE MDI-50:

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

Skin contact:
Remove contaminated clothing.
And wash 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-50:

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-50:

Personal precautions:
Use protective equipment.
And evacuate area if necessary.

Environmental precautions:
Prevent entry into drains.
And waterways.

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

Exposure Controls/Personal Protection of WANNATE MDI-50:

Respiratory protection:
Use approved respirator when needed.

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-50:
Chemical name: Diphenylmethane diisocyanate mixture
EINECS No: 202-966-0
CAS No: 101-68-8
Formula: C8h7no2
Molecular Mass: 149.15 g/mol

Properties of WANNATE MDI-50:
Appearance: Brown to dark liquid
Odor: Slightly pungent
Viscosity: Medium
Density (25°C): ~1.20 – 1.24 g/cm³
NCO content: Typically 31 – 33%
Solubility: Reacts with water, soluble in organic solvents
Reactivity: Reactive with polyols and water
Function: Isocyanate component for polyurethane systems

Specifications of WANNATE MDI-50:
Purity: ≥99.6%
Chromatic number (APHA): 50
2,4'-isomer,%(A/A): 50.0-54.0%
Hydrolyzable chlorine: ≤0.005%
Cyclohexane insolubles: ≤0.2%