China 99% Aspirin /Acetylsalicylic Acid CAS 50-78-2, Find details about China 50-78-2, Aspirin 99% from 99% Aspirin /Acetylsalicylic Acid CAS 50-78-2
99% Aspirin /Acetylsalicylic Acid cas 50-78-2
Product Name | Aspirines/Aspirine/Acetylsalicylic Acid powder |
Appearance | White crystalline powder |
CAS | 50-78-2 |
MF | C9H8O4 |
MW | 180.16 |
Purity | 99% |
Storage | Keep in cool & dry place,stay away from strong light and heat |
Shelf Life | 24 months |
Appearance | White crystalline powder | White crystalline powder |
Identification A. IR-Spectrum | Positive | Positive |
B. melting point of salicylic acid(°C) | 156-161 | 157.5 |
Identification A. Ferric Acid reaction test | Complies | Complies |
B. IR-Spectrum | Positive | Positive |
Appearance of solution | Clear and colorless | Clear and colorless |
Readily carbonizable substances | ≤Fluid Q | < Fluid Q |
Readily carbonizable substances | Clear | Clear |
Chloride (%) | ≤0.014 | < 0.014 |
Sulfate (%) | ≤0.04 | < 0.04 |
Limit of free salicylic acid(%) | ≤0.1 | <0.1 |
Heavy metals | ≤10PPM | < 10PPM |
Loss on drying(%) | ≤0.5 | 0.2 |
Sulphated ash/ Residue on ignition(%) | ≤0.05 | 0.03 |
Related substances/Any single impurity (%) | ≤0.1 | Disregard(<0.025%) |
Related substances/Total impurities (%) | ≤0.25 | Disregard |
≤0.25Assay (%) | 99.5-100.5 | 99.9 |
Residual Solvents (%) | USP(467) | Qualified |