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The metol.

Offer type: salePublished: 01.04.2015
Price:50 UAH
Seller:menedzher Tat'yana
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Address:Ukraine, Donets'ka Oblast', Donetsk
The metol (C7H10NO)2SO4 - sulfate salt of n-methylaminophenol. Used in black-and-white photography as a developing agent. In the composition of the developers is often combined with other developing agents, e.g. hydroquinone. Is a powder of colorless crystals. Soluble in water (5 g per 100 g of water), but not in organic solvents. The melting point is 250 °C.