Pyrosulfuric acid; disulfuric acid
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Chemical formula: H 2 S 2 O 7 . Also known as pyrosulfuric acid. Colorless or pale yellow crystals with strong hygroscopic properties. Smokes violently in air. Specific gravity: 1.98, melting point: 35°C. Dissolves in water with a loud noise and generates a large amount of heat. Store in a sealed container and handle with care. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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化学式 H2S2O7 。ピロ硫酸ともいう。無色あるいは淡黄色の吸湿性の強い結晶。空気中で激しく発煙する。比重 1.98，融点 35℃。激しい音をたてて水に溶け，同時に多量の熱を発生する。密栓して保存し，取扱いには慎重を要する。
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