Methyl benzenesulfonate
Methyl benzenesulfonate
CAS: 80-18-2
Molecular Formula: C7H8O3S
Methyl benzenesulfonate - Names and Identifiers
| Name | Methyl benzenesulfonate |
| Synonyms | 20ND3-5 nsc06624 NSC 3214 AI3-06624 ai3-06624 NSC 06624 CCRIS 9156 BRN 0908448 AKOS BBS-00004424 METHYL BENZENESULFONATE Methyl benzenesulfonate Methyl benzenesulphonate METHYL BENZENESULPHONATE BENZENESULFONIC ACID METHYL ESTER Benzenesulfonic acid methyl ester Benzenesulfonic acid, methyl ester Benzenesulfonic acid methyl ester Methyl ester of benzenesulphonic acid 4-11-00-00029 (Beilstein Handbook Reference) |
| CAS | 80-18-2 |
| EINECS | 201-256-8 |
| InChI | InChI=1/C7H8O3S/c1-10-11(8,9)7-5-3-2-4-6-7/h2-6H,1H3 |
| InChIKey | CZXGXYBOQYQXQD-UHFFFAOYSA-N |
Methyl benzenesulfonate - Physico-chemical Properties
| Molecular Formula | C7H8O3S |
| Molar Mass | 172.2 |
| Density | 1.3 |
| Melting Point | -4 °C |
| Boling Point | 147-150°C 13mm |
| Flash Point | 143 °C |
| Water Solubility | Miscible with chloroform, methanol, ethanol and ether. Immiscible with water. |
| Vapor Presure | 0.0122mmHg at 25°C |
| Appearance | Transparent liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 908448 |
| Storage Condition | 2-8°C |
| Refractive Index | 1.514-1.516 |
| MDL | MFCD00014737 |
| Physical and Chemical Properties | Trait liquid. boiling point 150 ℃ relative density 1.2730 refractive index 1.5151 solubility insoluble in water, soluble in ethanol, ether, chloroform. |
| Use | Used as a raw material for the dye and pharmaceutical industries |
Methyl benzenesulfonate - Risk and Safety
| Risk Codes | R34 - Causes burns R22 - Harmful if swallowed R43 - May cause sensitization by skin contact |
| Safety Description | S28A - S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3265 |
| WGK Germany | 3 |
| RTECS | DB7151000 |
| TSCA | Yes |
| HS Code | 29051990 |
| Hazard Note | Irritant/Corrosive |
| Hazard Class | 8 |
| Packing Group | III |
Methyl benzenesulfonate - Nature
Open Data Verified Data
liquid. Insoluble in water, soluble in ethanol, ether, chloroform. In water, acid, alkali and ethanol decomposition. The relative density was 1. 2730. Boiling Point (2kPa) 150. Refractive index 5151.
Last Update：2024-01-02 23:10:35
Methyl benzenesulfonate - Preparation Method
Open Data Verified Data
chlorosulfonic acid was first introduced into a reaction tank, and then benzene was dripped into the tank, and the chlorosulfonation reaction was carried out at a controlled temperature of 20 to 25 °c. Benzenesulfonyl chloride is obtained, which is then esterified with methanol in the presence of sodium hydroxide to obtain a crude product, which is refined to a finished product.
Last Update：2022-01-01 10:55:43
Methyl benzenesulfonate - Use
Open Data Verified Data
used as alkylating agent and auxiliary raw material for the production of brilliant green FFB dye.
Last Update：2022-01-01 10:55:43
Methyl benzenesulfonate - Safety
Open Data Verified Data
- extremely toxic! Its vapor irritates eyes, mucous membranes and skin, can cause sensitization and dermatitis, and direct contact is strictly prohibited. Production equipment should be sealed to prevent leakage. The operator should wear protective gear. Flush with plenty of water when splash and skin.
- packaged in iron drum. Storage and Transportation shall be carried out according to the regulations for flammable and extremely toxic substances.
Last Update：2022-01-01 10:55:44
Methyl benzenesulfonate - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | as a raw material for the dye and pharmaceutical industries This product is used as an alkylating agent in organic synthesis, for the production of dye Brilliant Green FFB. |
| production method | from chlorosulfonic acid, benzene, methanol by chlorosulfonation and esterification reaction. The esterified product was distilled under reduced pressure to obtain a product with a content of more than 97%. Raw material consumption quota: chlorosulfonic acid (95%) about 3400kg/t, benzene 900kg/t, methanol 700kg/t. |
Last Update：2024-04-09 20:52:54
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