538-28-3
Benzyl isothiourea,hydrochloride
CAS: 538-28-3
Molecular Formula: C8H11ClN2S
538-28-3 - Names and Identifiers
538-28-3 - Physico-chemical Properties
| Molecular Formula | C8H11ClN2S |
| Molar Mass | 202.7 |
| Melting Point | 172-177°C |
| Boling Point | 283.2°C at 760 mmHg |
| Flash Point | 125.1°C |
| Water Solubility | 250 g/L (15 ºC) |
| Solubility | methanol: soluble1g/10 mL, clear, colorless to very faintly yellow |
| Vapor Presure | 0.0032mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White |
| Merck | 14,1146 |
| BRN | 3656719 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00012583 |
| Physical and Chemical Properties | White crystals. Melting point 172-174 ℃ (metastable type is 146-148 ℃), soluble in water and alcohol, insoluble in ether. |
| Use | Reagents for the determination of cobalt and nickel, identification and separation of carboxylic acid, sulfinic acid and sulfonic acid, and standard samples for the determination of nitrogen, sulfur and chlorine by organic microanalysis. Intermediates in organic synthesis. |
538-28-3 - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | 25 - Toxic if swallowed |
| Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - |
| UN IDs | UN 2811 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | UM0738000 |
| TSCA | Yes |
| HS Code | 29309070 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | LD50 oral in rat: 27mg/kg |
538-28-3 - Introduction
It is soluble in water and alcohol, but insoluble in ether. Dissolve the low melting point in alcohol and plant it in high melting point crystals to increase its melting point.
Last Update：2022-10-16 17:26:02
538-28-3 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | organic synthesis intermediates, analytical reagents. |
| Production method | is obtained by condensation of benzyl chloride and thiourea. Benzyl chloride, thiourea and ethanol are added to the reactor to mix, heated and refluxed, decolorized and filtered after the reaction, cooled and crystallized, and then washed with ether to refine the finished product. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 150 mg/kg; Subcutaneous-mouse LDL0: 80 mg/kg |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxides, sulfur oxides and hydrogen chloride smoke |
| storage and transportation characteristics | ventilation and low temperature drying; separate from warehouse food raw materials |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
Last Update：2024-04-10 22:29:15
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Mobile: +86-18621343501
QQ: 2881950922
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Product Name: S-BenzylisothiouroniuM chloride Visit Supplier Webpage Request for quotationCAS: 538-28-3
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CAS: 538-28-3
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CAS: 538-28-3
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