
Physicochemical properties |
Color and odor state: pure colorless transparent oily liquid, odorless; Industrial products contain impurities and are pale yellow and brown |
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Flammability: non-combustible |
Density: 1.84 for 98% concentrated sulfuric acid |
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Volatility: difficult to volatile |
Flash point: meaningless (non-combustible). |
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Boiling point: 337°C (98% concentrated sulfuric acid). |
Decomposition: Decomposes into sulfur dioxide and water above 340°C |
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Melting point: 10.5°C (98% concentrated sulfuric acid). |
Acidity and alkalinity: strong acidity |
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Spontaneous ignition point: meaningless (non-combustible). |
Deliquescence: easy to deliquescence |
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Corrosive: Highly corrosive |
Stability: Stability |
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Moisture absorption: strong moisture absorption |
Viscosity: High viscosity |
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Solubility: It is miscible with water in any proportion, soluble in ethanol and glycerin, and insoluble in acetone and ether |
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Various numbers |
CAS: 7664-93-9 |
HS: 2807000000 | EINECS:231-639-5 |
Uses |
important basic chemical raw materials, manufacturing fertilizers, pesticides, explosives, dyes, salts; petroleum refining, metal processing, electroplating, pickling industry; It is used as a dehydrating agent, desiccant, catalyst, etc |
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Hazard category |
8.1 Class of acid corrosives |
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Fire extinguishing agents |
Firefighters must wear full-body acid and alkali resistant firefighting suits. Fire extinguishing agent: dry powder, carbon dioxide, sand, avoid water flow impacting items, and prevent water from releasing heat and splashing to burn the skin. |
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Emergency treatment |
Skin contact: Immediately remove contaminated clothing, rinse with plenty of running water for at least 15 minutes, and seek medical attention; Eye contact: Immediately lift the eyelids, rinse thoroughly with plenty of running water or saline for at least 15 minutes, and seek medical attention; Inhalation: Quickly leave the scene to a fresh air, keep the airway open, give oxygen for dyspnea, immediately artificial respiration when breathing stops, and seek medical attention; Food: Rinse your mouth with water, drink milk or egg white, and seek medical attention. |
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Packaging, storage, transportation |
Packaging: 50kg/ceramic jar, 25kg/plastic drum, 1000L/IBC drum, tank truck bulk 30 tons/cart. |
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