Our Factory

 

 

Heze Yonghui Composite Materials Co., Ltd. specializes in the production of high-performance, specialty amine-based chemical products such as MDA, DDM, MOCA, PACM, MACM, MDA-60, etc.

 

 
  • 4,4-Diaminodiphenylmethane
    Product name:4,4-Diaminodiphenylmethane ,
    Other name:4,4'-Methylenedianiline
    CAS:101-77-9
    UN:2651
    Purity:≥99.5%
    Chemical formula: C13H14N2
    Molecular weight:...
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  • MDA-60(4,4-Methylenedianiline)
    Product name: MDA-60(4,4-Methylenedianiline)
    Appearance: Pale yellow transparent liquid/semi-solid
    Viscosity(40℃): 3,000-5,000 mPa·s
    Content of 4,4'-MDA: 55%-63% ...
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  • DDM(Diaminodiphenylmethane)
    Product name: DDM(Diaminodiphenylmethane)
    Appearance: Pale yellow solid
    Content of 4,4'-Methylenedianiline: 65%-75%
    Package: 25 kg/Bag
    CAS NO.:101-77-9...
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  • 4,4′-Methylenedi-Aniline
    4,4′-Methylenedi-Aniline appears as white to yellowish crystals at room temperature. As an important chemical industry intermediate, 4,4′-Methylenedi-Aniline is widely used in the production of...
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  • MDA-100(4,4-Methylenedianiline)
    Product name: MDA-100(4,4-Methylenedianiline)
    CAS NO.: 101-77-9
    EINECS NO.:202-974-4
    view more
  • 4,4-Methylenedianiline
    4,4-Methylenedianiline appears as white to yellowish crystals at room temperature. As an important chemical industry intermediate, 4,4-Methylenedianiline is widely used in the production of MDI...
    view more
  • 4,4′-Methylene(bisaniline)
    Heze Yonghui composite material company,founded in 2008,is located in Dongming County,Heze City,the capital of peony in China,covering an area of more than 30000 square meters.It is specialized in...
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  • Z-133 Expoxy Resin Curing Agent
    Appearance: Dark Brown
    Viscosity(25℃): 1000mPa.s
    Flash Point: >150℃
    Density: 1.10±0.03
    Amine Value(mg KOH/g): 320-350
    Package: 200kg/Galvanized barrel
    view more
 
Why Choose Us
4,4-Diaminodiphenylmethane

Modern Laboratories

 

Our R&D center is equipped with advanced analytical tools (GC-MS, HPLC) and pilot-scale equipment, enabling formulation optimization for applications such as carbon fiber composites, oil pipeline coatings, and electronic potting adhesives.

Technical Partnerships

 

Long-term collaborations with top universities drive innovation. We have secured multiple patents in liquid DDM derivatives and high-temperature curing agents for PI/PEI insulating lacquers.

Certifications

 

ISO 9001/14001 certifications and REACH compliance reflect our commitment to quality. Our R&D team, consisting of over 10 members (30% with PhD or Master’s degrees), ensures continuous innovation.

 

 

4,4-Methylenedianiline

4,4'-Methylenedianiline used in the production of insulating materials, dyes, diisocyanate, polyurethane rubber, H adhesive, epoxy resin curing agent, etc. Epoxy curing agent, rubber antioxidant and antioxidant, intermediate for the synthesis of MDI, also used for the determination of tungsten and sulfate.

4,4-Methylenedianiline

 

 

Product Information

 

 

Product Name:

4,4'-Methylenedianiline

Synonyms:

Bis-(4-aMino;methylenebis(aniline);MDA;DIANILINOMETHANE;Di-(4-aminophenyl)methane;DADPM;bis(p-aminophenyl)methane;BIS-(4-AMINOPHENYL)METHANE

CAS:

101-77-9

MF:

C13H14N2

MW:

198.26

EINECS:

202-974-4

Product Categories:

Diphenylmethanes (for High-Performance Polymer Research);Functional Materials;Industrial/Fine Chemicals;Aromatic Hydrocarbons (substituted) & Derivatives;Reagent for High-Performance Polymer Research

Mol File:

101-77-9.mol

 

 

Chemical Properties

 

 

Melting point

89-91 °C(lit.)

Boiling point

242 °C2 mm Hg(lit.)

Density

1.15

Vapor pressure

0Pa at 25ºC

Refractive index

1.5014 (estimate)

Fp

430 °F

Solubility

Water: soluble

Pka

5.32±0.25(Predicted)

Color

White to Light yellow

Water Solubility

Slightly soluble. <0.1 g/100 mL at 19 ºC

 

 

Application

 

 

  • Mainly used in rubber products such as tires, sidewalls, plies, inner tubes, conveying pipes, hoses, triangle belts, etc.
  • Used to produce insulating materials, dyes, diisocyanates, polyurethane rubber, H-grade adhesives, epoxy curing agents, etc.
  • Used as an analytical reagent and also used in organic synthesis
  • Manufacture dyes, determine tungsten and sulfate, antioxidants and antioxidants for rubber.

 

 

Spec:

 

 

Items

SPEC

Appearance

White or pale yellow platy solid

4,4'-MDA Content

99.0%min

2,4'-MDA Content

1.0% max

Melting point

87ºCmin

 

 

Storage and Handling

 

 

1

Store in a cool, dry, well-ventilated area, sealed in airtight containers to prevent oxidation.

2

Avoid contact with moisture, strong acids, and oxidizing agents.

3

Use personal protective equipment (PPE): Gloves, goggles, and a respirator (N95 or higher) to prevent inhalation and skin exposure.

 

MDA-100(4,4-Methylenedianiline)

 

Packaging & Shipping

4,4'-Methylenedianiline shipping: By air, by sea, by air express like FEDEX OR UPS OR DHL .
Small package: 1kg / 5kg / 10kg 25kg
Big package : 100kg / 200kg / 1FCL

 

Our Certificate
 
 
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FAQ

 

 

Q: Do you accept sample order?

A: We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.

Q: How to confirm the product quality before placing orders?

A: You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q: What's your moq?

A: Our moq is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q: Do you supply product report?

A: Yes. We'll give you product analysis report before shipping.

Q: Is there a discount?

A: Different quantity has different discount.

As one of the leading MDA-100 manufacturers in China, we warmly welcome you to wholesale high-grade MDA-100 for sale here from our factory. All chemicals are with high quality and competitive price.

4 4 Diphenylmethanediamine, 4,4′-Methylenebisbenzenamine, 4,4'-Diphenylmethanediamine
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