Item |
Specification |
Results |
Characters |
A white ,crystalline powder or white or colorless, acicular crystals, slightly soluble in water, freely soluble in ethanol (96 percent),sparingly soluble in methylene chloride |
Complies |
Identification |
A. Melting point 158 ºC to 161 ºC |
158.8 ºC ~160.2 ºC |
B.The IR spectrum of sample complies with salicylic acid CRS |
Complies |
|
C.Positive |
Complies |
|
Appearance of solution |
Solution is clear and colorless |
Solution is clear and colorless |
Related substances |
Impurity A: 4-hydroxybenzoic acid ≤ 0.1% |
0.007% |
Impurity B:4-hydroxyisophthalic acid ≤ 0.05% |
0.002% |
|
Impurity C : Phenol ≤ 0.02% |
N.D |
|
Any other impurities ≤ 0.05% |
N.D |
|
Total impurities ≤ 0.2% |
0.008% |
|
Chloride |
NMT 100ppm |
< 100ppm |
Sulfate |
NMT 200ppm |
< 200ppm |
Heavy metals |
NMT 20ppm |
< 20ppm |
Loss on drying |
NMT 0.5% |
0.02% |
Sulphated ash |
NMT 0.1% |
0.03% |
Assay (dried substance) |
Contains C 7 H 6 O 3 99.0%~100.5% |
99.6% |
Conclusion |
The results conforms with EP 8 standards |
It is an antipyretic and analgesic which is used to treat fever, headache, neuralgia, arthralgia, rheumatoid arthritis, etc. Besides it is intermediates of other medicine and pesticide.
It is an antipyretic and analgesic which is used to treat fever, headache, neuralgia, arthralgia, rheumatoid arthritis, etc. Besides it is intermediates of other medicine and pesticide.
Storage
Store in a clean, cool, dry, ventilated place
Quantity(Kilograms) | 1 - 100 | 101 - 200 | 201 - 1000 | >1000 |
Est. Time(days) | 4 | 7 | 15 | Negotiable |