Aspirin CAS 50-78-2
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Product Name |
Aspirin |
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Synonyms |
O-ACETYLSALICYLIC ACID;O-ACETOXYBENZOIC ACID;ACETICYL;ACETOXYBENZOIC ACID;ACETYLSALICYLIC ACID;ACETYSALICYLIC ACID;ACETYLSALICYLIC ACID IMPURITY D;ALKENYL SUCCINIC ANHYDRIDES |
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CAS |
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Molecular formula |
C9H8O4 |
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Molecular Weight |
180.16 |
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Molecular Structure |
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Physical and Chemical Properties |
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General Description |
White Crystalline Powder |
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Usage |
Aspirin is generally used as an analgesic (something that relieves pain without producing anesthesia or loss of consciousness) for minor aches and pains, to reduce fever (an antipyretic), and also as an anti-inflammatory drug. | ||||||||||||
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Storage condition |
Store in a cool, dry place. Store in a tightly closed container |
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Specifications |
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Items |
Standard |
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Appearance |
White Crystalline Powder |
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Appearance of Solution |
Clear and Colorless |
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Assay |
≥99.0% |
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Melting Point |
134-136 °C |
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Boiling Point |
140°C |
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Flash Point |
250 °C |
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Chloride(%) |
≤0.014 |
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Sulfate(%) |
≤0.04 |
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Limit of free salicylic acid(%) |
≤0.1 |
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Heavy metals |
≤10PPM |
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Loss on drying(%) |
≤0.5 |
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Residue on ignition(%) |
≤0.05 |
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Refractive Index |
1.5623(20C) |
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Related substances(disregard＜0.03%)impurity A(%) |
≤0.15 |
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Impurity B(%) |
≤0.15 |
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Impurity C(%) |
≤0.15 |
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Impurity D(%) |
≤0.15 |
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Impurity E(%) |
≤0.15 |
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Impurity F(%) |
≤0.15 |
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Unspecified Impurities(%) |
≤0.05 |
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Total impurities(%) |
≤0.25 |
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