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p-Phenylene Diamine(p-PDA)
Identification:
Chemical Name: p-Phenylene Diamine
Synonyms: ,4-Diaminobenzene;1,4-benzenediamie;
CAS No.: 106-50-3
Molecular Formula: C6H8N2
Properties: white transparent crystal, it is easily soluble in ether, ethanol, acetone and other organic solvents, soluble in hot water. Melting point 140℃，it is highly toxic chemical product.
Specifications:
Items | Cosmetic Grade | Fiber Grade | Industrial Grade |
Appearance | White Flake | White Flake or molten | Grey Flake or molten |
Purity(HPLC) ,% | ≥99.95 | ≥99.90 | ≥99.50 |
MPD+OPD(GC), mg/kg | ≤200 | ≤500 | ≤2000 |
PCA(GC) mg/kg | ≤10 | ≤50 | ≤500 |
Melting Point, ℃ | ≥138 | ≥138 | ≥137 |
Application:
An intermediate used in the synthesis of engineering polymers, para-aramid fibers, hair dyes, rubber chemicals, textile dyes and pigments. p-PDA is selected for the outstanding properties it imparts, including high temperature stability, high strength and chemical and electrical resistance.
Packing Storage:
25,50Kg cardboard drum.
Pay attention to the water and long-term high temperature storage, the storage temperature should be lower than 50℃. Avoid light, the effective storage period is one year.