4,4'-Methylene bis(2-chloroaniline), known as MOCA 98% CAS 101-14-4, is an aromatic amine curing agent for polyurethane elastomer and cast PU system. It features stable curing performance and good mechanical strength for final products. TNJ Chemical is a professional manufacturer and exporter since 2001. We guarantee high quality, competitive price and thoughtful service. If you want to buy or have any other inquiries, please contact sales@tnjchem.com
Important Reminder:MOCA belongs to carcinogen, restricted chemical in many regions, export & transportation need full compliance with local regulatory requirements.
Product Information
Chemical Name 4,4'-Methylene bis(2-chloroaniline)
Alias MOCA, 3,3'-Dichloro-4,4'-diaminodiphenylmethaneCAS No. 101-14-4
Molecular Formula C₁₃H₁₂Cl₂N₂
Molecular Weight 267.15Chemphysical Properties
Appearance Off-white to pale yellow flaky crystal
Melting point 98~107℃
Solubility Soluble in ketone, aromatic solvent; slightly soluble in alcohol, insoluble in water
Moisture ≤0.2%
Quality Specification
| Test Item | Standard Grade |
|---|---|
| Purity | ≥98.0% |
| Melting Range | 98~107℃ |
| Water Content | ≤0.20% |
| Ash | ≤0.10% |
Application & Use
MOCA is widely used as curing agent for cast polyurethane elastomer, polyurethane rubber, solid tire, roller, gasket, mining sieve plate and PU adhesive. It can endow PU products with excellent tensile strength, abrasion resistance and tear resistance.
Packing Delivery & Storage
Packing: 25kg paper drum / woven bag with inner plastic bag.
Storage: Keep container tightly sealed, store in cool, dry and ventilated warehouse, away from oxidizing agent, heat and sunlight. Shelf life: 12 months under proper storage.
Note: MOCA is carcinogenic substance, strictly follow SDS operation & protection requirements.



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