Photographers' Formulary P-Phenylenediamine - 10 Grams

BH #PHPP10G • MFR #10-0890 10G
Photographers' Formulary
Photographers' Formulary P-Phenylenediamine - 10 Grams
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Photographers' Formulary 10-0890 10G Overview

p-Phenylenediamine is the classic superfine-grain film developer. However besides the cautions listed, it requires strong overexposure of the film and a very long developing time, often twenty minutes or more, and even than the contrast of the resulting negatives is rather low.

As a result there have been efforts to replace p-phenylenediamine with other agents. One of the more successful is Windisch Superfine-Grain Developer that uses o-Phenylenediamine. This agent also has weak developing properties, but works as a good solvent for silver halide.

UPC: 675152890016

Photographers' Formulary 10-0890 10G Specs

SynonymsPara-phenyelenediamene
Para-diaminobenzene
1,4-diaminobenzene
P-aminoaniline
4-aminoaniline
Ursol D
P-benzenediamine
1,4-benzenediamine
C.I. oxidation base 10
Developer 13
Durafur black R
Fouramine D
Fur black R
Fur yellow
Para
Ppd
Renal pf
Tertral D
PPD
Numerous other non-systematic names
AppearanceWhite to slightly reddish crystals in photogrades
UsesVery low energy developer; produces negatives of minimum graininess. Often used in combination with glycin and/or metol.
Chemical FormulaC6H8N2
NotesCautions: Toxic and stains hands, clothing, and other things on prolonged contact. The free base of Para-phenyelenediamene and its water soluble salts may cause eczema or other skin irritations. Always wear a good dust mask when working with the powder and gloves when working with the powder or solutions.
Packaging Info
Package Weight0.05 lb
Box Dimensions (LxWxH)2.5 x 1.2 x 1.1"
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