P-PHENYLENE DIAMINE (PPD)

P-Phenylenediamine (PPD) is an organic compound with the chemical formula C6H4(NH2)2. It is a crystalline solid and is commonly used as a component in hair dyes and various other applications.

Description: P-Phenylenediamine is a white to slightly pinkish crystalline powder.

Applications:

1. Hair Dyes: PPD is a crucial ingredient in oxidative hair dyes. It reacts with hydrogen peroxide to form colored products that penetrate the hair cuticle, resulting in a permanent hair color.

2. Printing and Dyeing Industry: PPD is used in the printing and dyeing of fabrics and textiles.

3. Rubber Industry: It is used as a component in the production of rubber products.

4. Antioxidant: PPD is also utilized as an antioxidant in certain applications.

CAS No.:	106-50-3
Structural Formula:
Molecular weight	108
Molecular formula	C6H8N2
Appearance	White Flake Crystal
Purity(HPLC Area-Percent)	99.8% Min.
M.P.	138°C Min.
P-Chloro Aniline	300ppm Max.
O-Phenylene Diamine	300ppm Max.
M-Phenylene Diamine	0
Fe Content	5 Ppm Max.

PPD has been associated with allergic reactions in some individuals, and skin patch tests are often recommended before using products containing this compound to check for potential allergies.