Thiourea
| Physicochemical properties | Color and odor state: white bright crystalline powder, odorless, bitter taste | ||
| Toxicity: Low toxicity | Flammability: combustible | ||
| Density: 1.405 | Volatile: non-volatile | ||
| Corrosive: non-corrosive | Boiling point: 186.8°C | ||
| Stability: Stability | Flash point: No clear data | ||
| Melting point: 176-178°C | Acidic and alkaline: neutral (neutral in aqueous solution). | ||
| Moisture absorption: easy to absorb moisture | Spontaneous ignition point: 414°C | ||
| Viscosity: solid, no viscosity | Deliquescence: easy to deliquescence | ||
| Solubility: easily soluble in water, soluble in ethanol, slightly soluble in ether, insoluble in benzene and chloroform | |||
| Various numbers | CAS:62-56-6 | HS：2930909099 | EINECS：200-543-5 |
| Uses | It is used as a raw material for organic synthesis to produce sulfonamides, thiouracil, antithyroid drugs, etc.; In industry, it is used as a rubber vulcanization accelerator, metal beneficiation agent, electroplating brightener, printing and dyeing auxiliary, and fertilizer synergist. It is also used as an analytical reagent, antioxidant, preservative, etc | ||
| Hazard category | 4.1 Class flammable solids | ||
| Fire-fighting measures | Mist water, foam, dry powder, carbon dioxide, sand. | ||
| Emergency treatment | Skin contact: Remove contaminated clothing and rinse the skin thoroughly with soapy water and clean water. Eye contact: Lift the eyelid immediately and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Inhalation: Quickly leave the scene to fresh air. Keep your airways open. If breathing is difficult, give oxygen. If breathing stops, perform artificial respiration immediately. Eating: Drink enough warm water to induce vomiting. Seek medical attention. | ||
| Packaging, storage, transportation | Packaging: Packaged in plastic woven bags lined with polyethylene plastic bags, each plastic woven bag has a net weight of 25kg. Storage: Store in a cool, dry and well-ventilated warehouse. Stay away from fire and heat sources. The storage temperature does not exceed 30°C and the relative humidity does not exceed 80%. Keep the container tightly sealed. It should be stored separately from oxidants, acids, and alkalis, and should not be mixed storage. Equipped with corresponding varieties and quantities of fire-fighting equipment. The storage area should be equipped with appropriate materials to contain the spill. Transportation: Transportation according to dangerous goods requirements. | ||
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