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.
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4,4-DiaminodiphenylmethaneProduct name:4,4-Diaminodiphenylmethane ,view more
Other name:4,4'-Methylenedianiline
CAS:101-77-9
UN:2651
Purity:≥99.5%
Chemical formula: C13H14N2
Molecular weight:... -
MDA-60(4,4-Methylenedianiline)Product name: MDA-60(4,4-Methylenedianiline)view more
Appearance: Pale yellow transparent liquid/semi-solid
Viscosity(40℃): 3,000-5,000 mPa·s
Content of 4,4'-MDA: 55%-63% ... -
DDM(Diaminodiphenylmethane)Product name: DDM(Diaminodiphenylmethane)view more
Appearance: Pale yellow solid
Content of 4,4'-Methylenedianiline: 65%-75%
Package: 25 kg/Bag
CAS NO.:101-77-9... -
4,4′-Methylenedi-Aniline4,4′-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...view more
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MDA-100(4,4-Methylenedianiline)Product name: MDA-100(4,4-Methylenedianiline)view more
CAS NO.: 101-77-9
EINECS NO.:202-974-4 -
4,4-Methylenedianiline4,4-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
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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...view more
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Z-133 Expoxy Resin Curing AgentAppearance: Dark Brownview more
Viscosity(25℃): 1000mPa.s
Flash Point: >150℃
Density: 1.10±0.03
Amine Value(mg KOH/g): 320-350
Package: 200kg/Galvanized barrel
Why Choose Us

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 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.

Product Information
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Product Name: |
4,4'-Methylenedianiline |
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Synonyms: |
Bis-(4-aMino;methylenebis(aniline);MDA;DIANILINOMETHANE;Di-(4-aminophenyl)methane;DADPM;bis(p-aminophenyl)methane;BIS-(4-AMINOPHENYL)METHANE |
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CAS: |
101-77-9 |
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MF: |
C13H14N2 |
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MW: |
198.26 |
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EINECS: |
202-974-4 |
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Product Categories: |
Diphenylmethanes (for High-Performance Polymer Research);Functional Materials;Industrial/Fine Chemicals;Aromatic Hydrocarbons (substituted) & Derivatives;Reagent for High-Performance Polymer Research |
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Mol File: |
101-77-9.mol |
Chemical Properties
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Melting point |
89-91 °C(lit.) |
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Boiling point |
242 °C2 mm Hg(lit.) |
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Density |
1.15 |
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Vapor pressure |
0Pa at 25ºC |
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Refractive index |
1.5014 (estimate) |
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Fp |
430 °F |
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Solubility |
Water: soluble |
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Pka |
5.32±0.25(Predicted) |
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Color |
White to Light yellow |
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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:
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Items |
SPEC |
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Appearance |
White or pale yellow platy solid |
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4,4'-MDA Content |
99.0%min |
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2,4'-MDA Content |
1.0% max |
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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.

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
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FAQ
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