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4-(Methylamino)phenol sulfate, is a is a popular photographic developer used in black & white photography. It is also an excellent developing agent for most continuous tone developer applications, and it has been widely used in published developer formulas as well as commercial products.
AR Tiedemann.; TD Anderson. Rapid analysis of total sulphur in soils and plant material. Plant and Soil. 1971, 35, (1), 197-200.
LC Raiford.; GO Inman. Benzoxazolone Formation in the Attempt to Prepare Certain Mixed Diacyl Derivatives of o-Aminophenol. J. Am. Chem. Soc. 1934, 56, (7), 1586-1590.
Hazard Statements: H302-H317-H373
Harmful if swallowed. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements: P260-P280g-P301+P312a-P363-P321-P501a
Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves. IF SWALLOWED: Wash contaminated clothing before reuse. Specific treatment (see label). Dispose of contents/container in accordance with local/regional/national/international regulations.