Phloroglucinol dihydrate 1,3,5-Trihydroxybenzene dihydrate 1,3,5-Trihydroxybenzene.2H2O
Phloroglucinol dihydrate
1,3,5-Trihydroxybenzene dihydrate; 1,3,5-Trihydroxybenzene.2H2O; 1,3,5-Benzenetriol dihydrate; Phloroglucinol dehydrate; 1,3,5-trihydroxy benzene dihydrate; benzene-1,3,5-triol dihydrate
Items |
Standard |
---|---|
Description |
White or almost white powder |
Solubility |
Sparing soluble in water, freely soluble in ethanol(96%),practically insoluble in methylene chloride |
Identification (a)IR (b)TLC (c) LOD |
(a)IR confirms to the CRS(2.2.24) (b)The principal spot in the chromatogram obtained with the test solution is similar in position and size to the reference solution (c) Between 20.0 to 23.0% |
Appearance of solution |
Clear and not more intensely than BY5 |
PH of solution |
Between 4.0 and 6.0 |
Releated substances |
Impurity A not more than 0.15% Impurity D not more than 0.15% Impurity E not more than 0.15% Impurity K not more than 0.15% Impurity L not more than 0.15% Impurity I not more than 0.15% Unknown impurities not more than 0.1% Total impurity not more than 0.3% |
Chlorides |
≤200ppm |
Sulphates |
≤500ppm |
Heavy metals |
≤20ppm |
Sulphated ashes |
≤ 0.1% |
Assay(on the dried basis) |
99.0%--101.0% |
Phloroglucinol dihydrate
1,3,5-Trihydroxybenzene dihydrate; 1,3,5-Trihydroxybenzene.2H2O; 1,3,5-Benzenetriol dihydrate; Phloroglucinol dehydrate; 1,3,5-trihydroxy benzene dihydrate; benzene-1,3,5-triol dihydrate
Items |
Standard |
---|---|
Description |
White or almost white powder |
Solubility |
Sparing soluble in water, freely soluble in ethanol(96%),practically insoluble in methylene chloride |
Identification (a)IR (b)TLC (c) LOD |
(a)IR confirms to the CRS(2.2.24) (b)The principal spot in the chromatogram obtained with the test solution is similar in position and size to the reference solution (c) Between 20.0 to 23.0% |
Appearance of solution |
Clear and not more intensely than BY5 |
PH of solution |
Between 4.0 and 6.0 |
Releated substances |
Impurity A not more than 0.15% Impurity D not more than 0.15% Impurity E not more than 0.15% Impurity K not more than 0.15% Impurity L not more than 0.15% Impurity I not more than 0.15% Unknown impurities not more than 0.1% Total impurity not more than 0.3% |
Chlorides |
≤200ppm |
Sulphates |
≤500ppm |
Heavy metals |
≤20ppm |
Sulphated ashes |
≤ 0.1% |
Assay(on the dried basis) |
99.0%--101.0% |
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