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Dye Intermediates

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1,4-Phthalaldehyde (Terephthalaldehyde)

Product Name: 1,4-Phthalaldehyde (Terephthalaldehyde)

CAS: 623-27-8

Purity:

1,4-Dihydroxyanthraquinone (Quinizarin)

Product Name: 1,4-Dihydroxyanthraquinone (Quinizarin)

CAS: 81-64-1

Purity:

p-Phenylenediamine (PPD)

Product Name: p-Phenylenediamine (PPD)

CAS: 106-50-3

Purity:

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