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Photographers' Formulary Phenosafarin - One Gram

Photographers' Formulary Phenosafarin - One Gram

B&H # PHPG MFR # 10-0875 1G
Photographers' Formulary Phenosafarin - One Gram

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Photographers' Formulary 10-0875 1G specs

Synonyms Safranin Y
Safranin A
Cotton red
3,7-Diamino-5-phenylphenazinium Chloride
Appearance Dark red powder
Uses Component in some developer formulas
Chemical Formula C18H15ClN4
Notes Addition of phenosafranin to developers containing hydroquinone as the sole developing agent results in causing the hydroquinone to function as a soft-working developer. When Metol was very expensive, use of a small amount of this dye with much cheaper hydroquinone produced the same development action at much lower cost

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