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4 (yellow) pH 7
5 % OPTICAL ROTATION -0
5 % DISTILLATION RANGE 138
00% LEAD (Pb) 5 mg/kg LOSS ON DRYING 7
Test Specification Min Max SAPONIFICATION VALUE 158 175 HYDROXYL VALUE 330 360 EXPIRATION DATE
4-Amino-1-naphthol Hydrochloride size:5 GM 4 (yellow) pH 7
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