2-TOLUENESULFONAMIDE
2-Methylbenzenesulfonamide
CAS: 88-19-7
Molecular Formula: C7H9NO2S
2-TOLUENESULFONAMIDE - Names and Identifiers
| Name | 2-Methylbenzenesulfonamide |
| Synonyms | 2-TOLUENESULFONAMIDE TOLUENE-4-SULFONAMIDE o-Toluenesulphonamide TOLUENE-2-SULFONAMIDE O-TOLUENE SULFONAMIDE 2-Toluene Suldonamide TOLUENE-4-SULPHONAMIDE ORTHO TOLUENE SULFONAMIDE 2-Methylbenzenesulfonamide 2-methyl-benzenesulfonamid o-Methylbenzenesulfonamide 2-METHYLBENZENESULFONAMIDE 4-TOLUENESULFONIC ACID AMIDE 2-METHYLBENZENE-1-SULFONAMIDE 2-Methylbenzene-1-sulfonamide |
| CAS | 88-19-7 |
| EINECS | 201-808-8 |
| InChI | InChI=1/C7H9NO2S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H2,8,9,10) |
| InChIKey | YCMLQMDWSXFTIF-UHFFFAOYSA-N |
2-TOLUENESULFONAMIDE - Physico-chemical Properties
| Molecular Formula | C7H9NO2S |
| Molar Mass | 171.22 |
| Density | 1.2495 (rough estimate) |
| Melting Point | 156-158 °C (lit.) |
| Boling Point | 221 °C |
| Flash Point | 178°C |
| Water Solubility | Soluble in water (1.6 g/L at 25°C). |
| Solubility | DMSO (Slightly), Methanol (Very Slightly, Heated) |
| Vapor Presure | 0-0.008Pa at 25℃ |
| Appearance | Colorless crystal |
| Color | White to Off-White |
| BRN | 1102362 |
| pKa | 10.17±0.60(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.6100 (estimate) |
| MDL | MFCD00007934 |
| Physical and Chemical Properties | Properties of colorless flammable crystals, in ethanol crystallization is octahedral crystals, in water crystallization is prismatic crystals. melting point 156~158 ℃ solubility slightly soluble in water and ether, soluble in ethanol. |
| Use | The plasticizer of thermosetting resin is used as raw material in organic synthesis, preparation of nail polish, dye, fluorescent pigment and coating. |
2-TOLUENESULFONAMIDE - Risk and Safety
| Risk Codes | R36 - Irritating to the eyes R40 - Limited evidence of a carcinogenic effect |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 1 |
| RTECS | XT5075000 |
| TSCA | Yes |
| HS Code | 29350090 |
2-TOLUENESULFONAMIDE - Upstream Downstream Industry
| Raw Materials | Ammonium hydroxide Toluene Toluene Chlorosulfonic acid Chlorosulfonic acid |
| Downstream Products | Sodium saccharine |
2-TOLUENESULFONAMIDE - Reference
| Reference Show more | 1. [IF=5.833] Hu Wenyao et al."Flexible membrane composite based on sepiolite/chitosan/(silver nanoparticles) for enrichment and surface-enhanced Raman scattering determination of sulfamethoxazole in animal-derived food."MICROCHIMICA ACTA. 2022 May;189(5):1-12 |
2-TOLUENESULFONAMIDE - Nature
Open Data Verified Data
colorless flammable crystals are octahedral crystals crystallized in ethanol and prismatic crystals crystallized in water. Slightly soluble in water and ether, soluble in ethanol. Melting point 156-158 °c.
Last Update：2024-01-02 23:10:35
2-TOLUENESULFONAMIDE - Preparation Method
Open Data Verified Data
chlorosulfonation of toluene with chlorosulfonic acid at low temperature gave o-Toluenesulfonyl chloride and a small amount of p-Toluenesulfonyl chloride. After separating the para-position by freezing crystallization method, the crude O-toluenesulfonamide was obtained by ammoniation with ammonia, decolorized with activated carbon, and then melted by alkali, acid, crystallized, centrifuged and dried
.
After that, the finished product was obtained.
Last Update：2022-01-01 10:55:49
2-TOLUENESULFONAMIDE - Introduction
Soluble in ethanol and alkali solution, slightly soluble in water and ether.
Last Update：2022-10-16 17:29:33
2-TOLUENESULFONAMIDE - Use
Open Data Verified Data
for the preparation of plasticizers, adhesives, pesticide intermediates and saccharin. Also used in pharmaceutical, nickel plating, polishing, etc.
Last Update：2022-01-01 10:55:48
2-TOLUENESULFONAMIDE - Safety
Open Data Verified Data
- toxic. Rat oral LD50 4870mg/kg. In the production process, attention should be paid to the tightness of the equipment to prevent material leakage, and the operator should wear protective equipment.
- the use of lined plastic bags, jacket woven bags, or inner plastic bags, middle with kraft paper bags, jacket woven bags. 25kg per bag. Storage should be moisture-proof and heat-proof. According to the provisions of flammable drugs storage and transportation.
Last Update：2022-01-01 10:55:49
2-TOLUENESULFONAMIDE - Reference Information
| LogP | 0.6-0.9 at 20-25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | used as saccharin, pharmaceutical intermediates, etc. used in the manufacture of saccharin, plasticizers, adhesives, pesticides, pharmaceutical and other products. The plasticizer of thermosetting resin is used as a raw material in organic synthesis, preparation of nail polish, dye, fluorescent pigment and coating. |
| production method | O-Toluenesulfonyl chloride is reacted with aqueous ammonia at 60 ° C. For 2H to form o-toluenesulfonamide. The reactant is cooled and filtered to obtain a crude product, which is then decolorized by activated carbon and refined by acid and alkali to obtain a finished product. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for 2-TOLUENESULFONAMIDE
Downstream Products for 2-TOLUENESULFONAMIDE