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Dihydroxy-R-Salt |
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| Specification: | ||
| - Structural Formula: - Use:It is mainly used as coupler for diazo photosensitive paper, It also used as additive. - Content:...................................98% - M.W........................ 262 - Fe:............................................. 10-40ppm - PH value:.............. 3-6 - Organic impurity:.............................................. 1%max. - Free acid:........................2%min. - Appearance:.............................................. white powder or crystal |
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