Introduction：Basic information about CAS 121-18-6|4-Chloro-3-nitrobenzenesulfonic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Chloro-3-nitrobenzenesulfonic acid |
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| CAS Number | 121-18-6 | Molecular Weight | 237.61800 |
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| Density | 1.747 g/cm3 | Boiling Point | / |
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| Molecular Formula | C6H4ClNO5S | Melting Point | / |
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| MSDS | / | Flash Point | / |
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Names
| Name | 4-Chloro-3-nitrobenzenesulfonic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.747 g/cm3 |
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| Molecular Formula | C6H4ClNO5S |
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| Molecular Weight | 237.61800 |
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| Exact Mass | 236.95000 |
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| PSA | 108.57000 |
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| LogP | 3.09890 |
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| Index of Refraction | 1.623 |
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| InChIKey | RPKWNMFDAOACCX-UHFFFAOYSA-N |
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| SMILES | O=[N+]([O-])c1cc(S(=O)(=O)O)ccc1Cl |
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Safety Information
| Hazard Codes | Xi,Xn |
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| Risk Phrases | R36/38:Irritating to eyes and skin . R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . |
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| Safety Phrases | S26-S36-S37/39 |
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| WGK Germany | 2 |
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| RTECS | YH2850000 |
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| HS Code | 2904909090 |
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Customs
| HS Code | 2904909090 |
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| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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Synonyms
| 2-Nitrochlorobenzene-4-sulfonic acid |
| 3-nitro-4-chlorobenzenesulphonic acid |
| o-Nitrochlorobenzene-p-sulfonic acid |
| 3-Nitro-4-chlorobenzenesulfonic acid |
| Benzenesulfonic acid,4-chloro-3-nitro |
| 4-chloro-3-nitrobenzene sulfonic acid |
| EINECS 204-452-1 |
| MFCD00274152 |
| 4-sulfo-2-nitrochlorobenzene |
