2-Benzothiazolol
benzothiazol-2(3H)-one
CAS: 934-34-9
Molecular Formula: C7H5NOS
2-Benzothiazolol - Names and Identifiers
2-Benzothiazolol - Physico-chemical Properties
| Molecular Formula | C7H5NOS |
| Molar Mass | 151.19 |
| Density | 1.2170 (rough estimate) |
| Melting Point | 137-140 °C (lit.) |
| Boling Point | 360°C (rough estimate) |
| Flash Point | 171.5°C |
| Solubility | Chloroform (Slightly, Sonicated), DMSO (Slightly) |
| Vapor Presure | 1.1E-05mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| pKa | 10.41±0.20(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00022868 |
| Physical and Chemical Properties | This product is a white solid, m.p.137~140 ℃, insoluble in water, soluble in organic solvents alcohol and ether. |
2-Benzothiazolol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | 36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29061990 |
2-Benzothiazolol - 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 | 2-hydroxybenzothiazole is an intermediate of the herbicide thiazolium. |
| production method | the preparation method is to reflux bis (2-nitrobenzene) disulfide, Na2S · 9H2O and water for 30min, 48% NaOH aqueous solution and dichloromethane were added to the mixture, cooled to 50 ° C., phosgene was introduced into the solution for 2H, stirred at 5 ° C. For 2H, and filtered at room temperature to obtain the finished product, |
Last Update：2024-04-09 21:54:55
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Multiple SpecificationsSpot supply
Product Name: 2-Hydroxybenzothiazole Visit Supplier Webpage Request for quotationCAS: 934-34-9
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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