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Posted at: Offers to Sell and Export | Posted on: Wed 20 Oct, 2010 5:21 am |
p phenylenediamine
Products Photos CatalogPhenylenediamine Photos Catalog

p-Phenylenediamine (PPD)

Cas no.: 106-50-3 einecs: 203-404-7

Molecular Formula:

C6H8N2 Molecular weight: 108.14

Molecular Structure:

Property: p-Phenylenediamine (PPD) is an organic compound with the formula C6H4(NH2)2. This derivative of aniline is a colorless solid when pure, but typically samples are partially oxidized and appear yellowish. p-Phenylenediamine (PPD) is mainly used as a component of engineering polymers and composites. p-Phenylenediamine (PPD) is an ingredient used in some hair dyes, though it may be a contact allergen.


Items Index

Appearance White flakes

Melting Point /℃ ≥137.0

m-PDA(impurity) mg/kg ≤400

o-PDA(impurity) mg/kg ≤100

P-pda ≥ 99.9%

Usage: p-Phenylenediamine (PPD) is a precursor to aramid plastics and fibers such as Kevlar. This polymer arises from the reaction of p-Phenylenediamine (PPD)and terephthaloyl chloride. The reaction of p-Phenylenediamine (PPD) with phosgene gives the diisocyanate, a precursor to urethane polymers.[1]

Other uses: p-Phenylenediamine (PPD) is easily oxidized, and for this reason p-Phenylenediamine (PPD) is used as antiozonants in production of rubber products. p-Phenylenediamine (PPD) is also used as a developing agent in the C-41 color photographic film development process, reacting with the silver grains in the film and creating the colored dyes that form the image.


p-Phenylenediamine (PPD) is used in almost every hair dye on the market, regardless of brand. The darker the colour, usually, the higher the concentrations. Some of the so-called "natural" and "herbal" hair colours, while ammonia-free, contain p-Phenylenediamine (PPD). Some products sold as henna also contain p-Phenylenediamine (PPD) added, particularly so-called "black henna." In many cases, p-Phenylenediamine (PPD) causes allergic reaction, and can cause scarring in some people. p-Phenylenediamine (PPD) should never be applied directly to the skin in its pure form or mixed with anything else

Package and storage: 25kg in bag or fiber drum. Keep in the clear and dry storage shed.

Related: p-Phenylenediamine (PPD), P-PDA. 1, 4-Benzenediamine; 1, 4-Diaminobenzene; C.I. 76060; Fur Black 41866

Company Contact:

No member photo
Contact Name: Vincent
Company Name: Chemland Group Inc
Email: Email
Tel: 0086 532 85026682
Fax: 0086 532 85028486
Street Address: No.10 Hongkong
Middle Rd, Qingdao, China
Website: http://www.chemland.us
Member name: ChemlandGroup
Country: China-CN China
Member Since: 20 October 2010
Total Leads: 11 ChemlandGroup Import Export Business Leads
Business focus: Food Additives
Verify: Safe Import Export Tips

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