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2,4-Diaminophenol dihydrochloride CAS NO.137-09-7
Amidol, it is a dihydrogen chloride salt and is used as a photographic developer. It was introduced as a developing agent for photographic papers in 1892. It is unusual amongst developing agents as it works most effectively in slightly acid conditions rather than the strongly alkaline conditions required for most other developers. As amidol ages it changes color to a dark red-brown. Developing dishes and equipment used to prepare amidol solutions are also frequently stained brown, a stain that is very persistent.
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Product Name |
2,4-Diaminophenol dihydrochloride |
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Synonyms |
2,4-Diaminophenol hydrochloride |
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CAS No. |
137-09-7 |
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Molecular Structure |
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Mobecular Weight |
197.06 |
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Molecular Formula |
C6H8N2O.2ClH or C6H10Cl2N2O |
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Key Specification |
Appearance: Beige to gray-green crystalline Powder |
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Package |
25kg fiber drum or as request |
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Application |
As photographic developer; in fur and hair dyeing; in test for formaldehyde and ammonia |
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Storage |
Store in cool,dry and well-ventilated place,package should be kept sealed. |
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Picture |
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