Benzoic acid, 2-[(isocyanatosulfonyl)methyl]-, methyl ester
methyl 2-(isocyanatosulfonylmethyl)benzoate
CAS: 83056-32-0
Molecular Formula: C10H9NO5S
Benzoic acid, 2-[(isocyanatosulfonyl)methyl]-, methyl ester - Names and Identifiers
Benzoic acid, 2-[(isocyanatosulfonyl)methyl]-, methyl ester - Physico-chemical Properties
| Molecular Formula | C10H9NO5S |
| Molar Mass | 255.25 |
| Density | 1.34±0.1 g/cm3(Predicted) |
| Boling Point | 427.2±55.0 °C(Predicted) |
| Physical and Chemical Properties | This product is an oily liquid, soluble in xylene and acetonitrile. |
Benzoic acid, 2-[(isocyanatosulfonyl)methyl]-, methyl ester - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R14 - Reacts violently with water R20 - Harmful by inhalation R41 - Risk of serious damage to eyes R42 - May cause sensitization by inhalation R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R68 - Possible risk of irreversible effects |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
Benzoic acid, 2-[(isocyanatosulfonyl)methyl]-, methyl ester - References
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | O-methoxycarbonyl benzyl sulfonyl isocyanate is an intermediate of the herbicide bensulfuron-methyl. |
| production method | the preparation method is to add a mixed solution of n-butyl isocyanate and xylene into a reaction kettle, then add o-methoxycarbonyl benzyl sulfonamide, stir, raise the temperature to 120 ℃, pass through the light gas for 3 hours, sample and analyze, use nitrogen to remove the light gas for about 1.5 hours at the end of the reaction, then carry out distillation, recover n-butyl isocyanate and xylene, and the residual liquid is the finished product. |
Last Update：2024-04-10 22:29:15
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