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Product Name:
4,4 Methylenedianiline; p,p Diaminodiphenylmethane
4,4 Diaminodiphenylmethane (DDM)
Cas no.：101-77-9
Usage: widely used in epoxy curing agent.
Specification of DDM
1. The physical and chemical properties
| Test Item | Specification |
| Appearance | Yellowish liquid |
| Color (G) | ≤8 |
| Viscosity@40℃ (mPa.s) | 2000-3000 |
| MDA content (%) | 40-60 |
| Water content (%) | ≤0.5 |
| Isomer content (%) | 30-35 |
| Free amine content (%) | 9-15 |
| Impurity content (%) | ≤0.1 |
MDA content (%)
40-60
Water content (%)
≤0.5
Isomer content (%)
30-35
Free amine content (%)
9-15
Impurity content (%)
≤0.1
2. Storage and packaging
Stored in a cool and dry place with ventilation and can be preserved for 12 months.
Avoid direct contact with water or strong acid and alkali.
Packaging:200kg/ iron drum or 1000kg/IBC tote.
