Introduction：Basic information about CAS 5402-20-0|4-Pyridinesulfonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Pyridinesulfonic acid |
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| CAS Number | 5402-20-0 | Molecular Weight | 159.16300 |
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| Density | 1.509g/cm3 | Boiling Point | / |
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| Molecular Formula | C5H5NO3S | Melting Point | 330ºC (DEC.) |
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| MSDS | / | Flash Point | / |
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Names
| Name | 4-Pyridinesulfonic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.509g/cm3 |
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| Melting Point | 330ºC (DEC.) |
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| Molecular Formula | C5H5NO3S |
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| Molecular Weight | 159.16300 |
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| Exact Mass | 158.99900 |
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| PSA | 75.64000 |
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| LogP | 1.40910 |
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| Index of Refraction | 1.689 |
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| InChIKey | PTWLOSARXIJRRJ-UHFFFAOYSA-N |
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| SMILES | O=S(=O)(O)c1ccncc1 |
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Safety Information
| Hazard Codes | C |
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| HS Code | 2933399090 |
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Customs
| HS Code | 2933399090 |
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| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
