| 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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