Introduction：Basic information about CAS 81-08-3|2-Sulfobenzoic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2-Sulfobenzoic anhydride |
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| CAS Number | 81-08-3 | Molecular Weight | 184.169 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 314.7±0.0 °C at 760 mmHg |
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| Molecular Formula | C7H4O4S | Melting Point | 116-124 °C |
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| MSDS | USA | Flash Point | 140.6±19.3 °C |
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Names
| Name | 2-Sulfobenzoic anhydride |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 314.7±0.0 °C at 760 mmHg |
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| Melting Point | 116-124 °C |
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| Molecular Formula | C7H4O4S |
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| Molecular Weight | 184.169 |
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| Flash Point | 140.6±19.3 °C |
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| Exact Mass | 183.983032 |
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| PSA | 68.82000 |
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| LogP | 0.79 |
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| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
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| Index of Refraction | 1.629 |
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| InChIKey | NCYNKWQXFADUOZ-UHFFFAOYSA-N |
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| SMILES | O=C1OS(=O)(=O)c2ccccc21 |
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Hazard Codes | C:Corrosive; |
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| Risk Phrases | R20/21/22;R34 |
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| Safety Phrases | S22-S24/25-S45-S36/37/39-S26 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 29163900 |
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Customs
Articles4
More Articles
| Modification of epsilon-amino group of lysine in proteins by acylation with pyromellitic dianhydride and o-sulphobenzoic anhydride. FEBS Lett. 120 , 275, (1980)
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| De novo sequencing of two new cyclic theta-defensins from baboon (Papio hamadryas) leukocytes by matrix-assisted laser desorption/ionization mass spectrometry. Rapid Commun. Mass Spectrom. 24(5) , 599-604, (2010) Two cyclic theta-defensin peptides were isolated from leukocytes of the hamadryas baboon, Papio hamadryas, and purified to homogeneity by gel electrophoresis and reversed-phase high-performance liquid... | |
| Derivatization of fatty alcohol ethoxylate non-ionic surfactants using 2-sulfobenzoic anhydride for characterization by liquid chromatography/mass spectrometry. Rapid Commun. Mass Spectrom. 24(1) , 120-8, (2010) A derivatization procedure has been developed for the improved characterization of fatty alcohol ethoxylate non-ionic surfactants by liquid chromatography/mass spectrometry. The end hydroxyl group of ... | |
Synonyms
| 2-Sulfobenzoic anhydride |
| 3H-2,1-Benzoxathiol-3-one, 1,1-dioxide (9CI) |
| MFCD00005879 |
| 1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-one |
| 3H-2,1-Benzoxathiol-3-one, 1,1-dioxide |
| EINECS 201-322-6 |
| 3H-2,1-Benzoxathiol-3-one 1,1-dioxide |
